{"id":52245,"date":"2024-08-29T11:40:25","date_gmt":"2024-08-29T09:40:25","guid":{"rendered":"https:\/\/xometry.pro\/articles\/hardness-testing-of-metals\/"},"modified":"2024-10-28T17:20:24","modified_gmt":"2024-10-28T16:20:24","slug":"essais-de-durete-des-metaux","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/fr\/articles\/essais-de-durete-des-metaux\/","title":{"rendered":"Essais de duret\u00e9 des m\u00e9taux\u00a0: Essais Rockwell, Brinell, Vickers, Knoop et Leep"},"content":{"rendered":"<div role=\"navigation\" aria-label=\"Table des mati\u00e8res\" class=\"simpletoc wp-block-simpletoc-toc\"><h2 class=\"simpletoc-title\">Table des mati\u00e8res<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#h-comparaison-des-methodes-d-essai-de-durete\">Comparaison des m\u00e9thodes d&rsquo;essai de duret\u00e9<\/a>\n\n<\/li>\n<li><a href=\"#h-tableau-de-conversion-des-essais-de-durete\">Tableau de conversion des essais de duret\u00e9<\/a>\n\n<\/li>\n<li><a href=\"#h-selection-de-la-meilleure-methode-d-essai-de-durete-pour-votre-application\">S\u00e9lection de la meilleure m\u00e9thode d&rsquo;essai de duret\u00e9 pour votre application<\/a>\n\n<\/li>\n<li><a href=\"#h-essai-de-durete-rockwell\">Essai de duret\u00e9 Rockwell<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-essai-de-durete-brinell\">Essai de duret\u00e9 Brinell<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-essai-de-durete-vickers\">Essai de duret\u00e9 Vickers<\/a>\n\n\n<\/li>\n\n<li><a href=\"#h-essai-de-durete-knoop\">Essai de duret\u00e9 Knoop<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-essai-de-durete-leeb\">Essai de duret\u00e9 Leeb<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-garantir-l-exactitude-et-la-fiabilite-des-resultats-des-essais-de-durete\">Garantir l&rsquo;exactitude et la fiabilit\u00e9 des r\u00e9sultats des essais de duret\u00e9<\/a>\n\n<\/li>\n<li><a href=\"#h-resultats-d-essai-de-durete-pour-des-performances-de-materiaux-fiables\">R\u00e9sultats d&rsquo;essai de duret\u00e9 pour des performances de mat\u00e9riaux fiables<\/a>\n<\/li><\/ul><\/div>\n\n\n<p>En science et en ing\u00e9nierie des mat\u00e9riaux, les essais de duret\u00e9 sont essentiels pour \u00e9valuer la r\u00e9sistance d&rsquo;un mat\u00e9riau \u00e0 la d\u00e9formation, qui a un impact direct sur sa durabilit\u00e9, sa r\u00e9sistance \u00e0 l&rsquo;usure et ses performances dans diverses applications. Comprendre ce qu&rsquo;est la duret\u00e9 d&rsquo;un mat\u00e9riau est crucial pour d\u00e9terminer l&rsquo;ad\u00e9quation de ce mat\u00e9riau \u00e0 des t\u00e2ches sp\u00e9cifiques.<\/p>\n\n\n\n<p>Les essais de duret\u00e9 les plus fr\u00e9quemment cit\u00e9s dans les fiches techniques de mat\u00e9riaux sont les essais de Rockwell, Brinell et Vickers, l&rsquo;essai de Rockwell \u00e9tant le plus r\u00e9pandu en raison de son processus rapide et simple, en particulier dans les environnements industriels. Les essais de duret\u00e9 de Leeb et de Knoop ont des usages sp\u00e9cialis\u00e9s et sont moins fr\u00e9quemment cit\u00e9s dans les fiches techniques standards des mat\u00e9riaux en raison de leurs applications sp\u00e9cifiques et de leurs environnements de test.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comparaison-des-methodes-d-essai-de-durete\"><strong>Comparaison des m\u00e9thodes d&rsquo;essai de duret\u00e9<\/strong><\/h2>\n\n\n<p>Vous trouverez ci-dessous un tableau de r\u00e9f\u00e9rence rapide comparant les diff\u00e9rentes m\u00e9thodes d&rsquo;essai de duret\u00e9 en termes de mat\u00e9riaux appropri\u00e9s, d&rsquo;avantages et d&rsquo;inconv\u00e9nients, d&rsquo;applications, de plage de charge, de type d&rsquo;indentation et de normes applicables.<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-135\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-135\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%; height: 144px;\">\n<tbody>\n<tr>\n<td style=\"width: 11.6751%;\"><strong>Essai de duret\u00e9<\/strong><\/td>\n<td style=\"width: 11.2944%;\"><strong>Mat\u00e9riaux adapt\u00e9s<\/strong><\/td>\n<td style=\"width: 12.4365%;\"><strong>Avantages<\/strong><\/td>\n<td style=\"width: 15.4822%;\"><strong>Inconv\u00e9nients<\/strong><\/td>\n<td style=\"width: 14.3401%;\"><b>Applications<\/b><\/td>\n<td style=\"width: 6.9797%;\"><strong>Plage de charge (kgf*)<\/strong><\/td>\n<td style=\"width: 16.4975%;\"><strong>Type d&rsquo;indentation<\/strong><\/td>\n<td style=\"width: 11.1675%;\"><strong>Normes<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.6751%;\"><b>Rockwell C (HRC)<\/b><\/td>\n<td style=\"width: 11.2944%;\">M\u00e9taux, alliages<\/td>\n<td style=\"width: 12.4365%;\">Rapide, facile \u00e0 utiliser, largement reconnu<\/td>\n<td style=\"width: 15.4822%;\">Pr\u00e9cision limit\u00e9e pour les mat\u00e9riaux fins<\/td>\n<td style=\"width: 14.3401%;\">Contr\u00f4le de qualit\u00e9, essai de mat\u00e9riaux par lot<\/td>\n<td style=\"width: 6.9797%;\"><span style=\"font-weight: 400;\">60-150 <\/span><span style=\"font-weight: 400;\">kgf<\/span><\/td>\n<td style=\"width: 16.4975%;\">Sph\u00e9rique\/Conique<\/td>\n<td style=\"width: 11.1675%;\"><span style=\"font-weight: 400;\">ASTM E18, ISO 6508, DIN 50103<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.6751%;\"><b>Rockwell B (HRB)<\/b><\/td>\n<td style=\"width: 11.2944%;\">M\u00e9taux plus souples, alliages d&rsquo;aluminium, aciers non tremp\u00e9s<\/td>\n<td style=\"width: 12.4365%;\">Convient aux mat\u00e9riaux plus souples, rapide<\/td>\n<td style=\"width: 15.4822%;\">Limit\u00e9 pour les mat\u00e9riaux tr\u00e8s durs<\/td>\n<td style=\"width: 14.3401%;\">Contr\u00f4le de qualit\u00e9, m\u00e9taux non tremp\u00e9s<\/td>\n<td style=\"width: 6.9797%;\"><span style=\"font-weight: 400;\">10-100 kgf<\/span><\/td>\n<td style=\"width: 16.4975%;\">Sph\u00e9rique (bille d&rsquo;acier)<\/td>\n<td style=\"width: 11.1675%;\"><span style=\"font-weight: 400;\">ASTM E18, ISO 6508<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.6751%;\"><b>Brinell<\/b><\/td>\n<td style=\"width: 11.2944%;\" width=\"11%\">M\u00e9taux (par ex., acier, aluminium), Moulages<\/td>\n<td style=\"width: 12.4365%;\">P\u00e9n\u00e9trateur large pour une duret\u00e9 moyenne<\/td>\n<td style=\"width: 15.4822%;\">Non adapt\u00e9 aux mat\u00e9riaux tr\u00e8s durs, larges indentations<\/td>\n<td style=\"width: 14.3401%;\">Grandes pi\u00e8ces, moulages, forgeages<\/td>\n<td style=\"width: 6.9797%;\">500-3000 kgf, 500-1000 kgf (pour l&rsquo;aluminium)<\/td>\n<td style=\"width: 16.4975%;\">Sph\u00e9rique (Acier\/Tungst\u00e8ne)<\/td>\n<td style=\"width: 11.1675%;\"><span style=\"font-weight: 400;\">ASTM E10, ISO 6506<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.6751%;\"><b>Vickers<\/b><\/td>\n<td style=\"width: 11.2944%;\">Tous les mat\u00e9riaux, en particulier les sections minces et les rev\u00eatements<\/td>\n<td style=\"width: 12.4365%;\">Pr\u00e9cision \u00e9lev\u00e9e, faible indentation<\/td>\n<td style=\"width: 15.4822%;\">Processus plus lent, \u00e9quipement plus cher<\/td>\n<td style=\"width: 14.3401%;\">Microduret\u00e9, films minces, petites pi\u00e8ces<\/td>\n<td style=\"width: 6.9797%;\"><span style=\"font-weight: 400;\">1-100 kgf<\/span><\/td>\n<td style=\"width: 16.4975%;\">Pyramide de diamant<\/td>\n<td style=\"width: 11.1675%;\"><span style=\"font-weight: 400;\">ASTM E92, ISO 6507<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.6751%;\"><b>Knoop<\/b><\/td>\n<td style=\"width: 11.2944%;\">Mat\u00e9riaux fragiles, c\u00e9ramiques, rev\u00eatements fins<\/td>\n<td style=\"width: 12.4365%;\">Id\u00e9al pour les \u00e9chantillons petits ou fins, mat\u00e9riaux anisotropes<\/td>\n<td style=\"width: 15.4822%;\">Difficile \u00e0 r\u00e9aliser, non adapt\u00e9 \u00e0 des propri\u00e9t\u00e9s g\u00e9n\u00e9rales<\/td>\n<td style=\"width: 14.3401%;\">C\u00e9ramique, verre, rev\u00eatements, petits \u00e9chantillons<\/td>\n<td style=\"width: 6.9797%;\"><span style=\"font-weight: 400;\">10-1000 gf<\/span><\/td>\n<td style=\"width: 16.4975%;\">Pyramide asym\u00e9trique<\/td>\n<td style=\"width: 11.1675%;\"><span style=\"font-weight: 400;\">ASTM E384, ISO 4545<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.6751%;\"><b>Leeb (<strong>rebond<\/strong>)<\/b><\/td>\n<td style=\"width: 11.2944%;\">M\u00e9taux, grandes pi\u00e8ces<\/td>\n<td style=\"width: 12.4365%;\">Portable, adapt\u00e9 aux grandes pi\u00e8ces<\/td>\n<td style=\"width: 15.4822%;\">Pr\u00e9cision plus faible, sensible aux conditions de surface<\/td>\n<td style=\"width: 14.3401%;\">Test sur site de grandes pi\u00e8ces, de surfaces irr\u00e9guli\u00e8res<\/td>\n<td style=\"width: 6.9797%;\"><span style=\"font-weight: 400;\">5,5-74,5 mJ<\/span><\/td>\n<td style=\"width: 16.4975%;\"><span style=\"font-weight: 400;\">Rebond<\/span><\/td>\n<td style=\"width: 11.1675%;\"><span style=\"font-weight: 400;\">ASTM A956, ISO 16859<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>*L&rsquo;unit\u00e9 kgf signifie kilogramme-force. C&rsquo;est une unit\u00e9 de force d\u00e9finie comme la force exerc\u00e9e par un kilogramme de masse dans un champ gravitationnel avec une acc\u00e9l\u00e9ration standard due \u00e0 la gravit\u00e9 (9,80665 m\/s\u00b2). Dans le contexte de l&rsquo;essai de duret\u00e9, \u00ab\u00a0kgf\u00a0\u00bb est utilis\u00e9 pour sp\u00e9cifier la charge appliqu\u00e9e au p\u00e9n\u00e9trateur. Par exemple, une charge de 10\u00a0kgf signifie qu&rsquo;une force \u00e9quivalente \u00e0 10 kilogrammes est appliqu\u00e9e.<\/p>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tableau-de-conversion-des-essais-de-durete\"><strong>Tableau de conversion des essais de duret\u00e9<\/strong><\/h2>\n\n\n<p>Les valeurs ci-dessous sont estim\u00e9es sur la base de r\u00e9f\u00e9rences de conversion largement accept\u00e9es telles que <a href=\"https:\/\/www.astm.org\/e0140-12br19e01.html\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM E140<\/a>, qui fournit des directives pour convertir les indices de duret\u00e9 entre diff\u00e9rentes \u00e9chelles telles que Rockwell, Brinell et Vickers. Les valeurs exactes peuvent l\u00e9g\u00e8rement varier en fonction du mat\u00e9riau et des conditions sp\u00e9cifiques de l&rsquo;essai. Si un chiffre tombe entre deux indices de duret\u00e9, il vous suffit d&rsquo;interpoler les r\u00e9sultats pour obtenir une estimation.<\/p>\n\n\n\n<p>Un tableau de conversion est particuli\u00e8rement utile pour fournir une m\u00e9thode standardis\u00e9e de comparaison des r\u00e9sultats de diff\u00e9rents tests, assurant la coh\u00e9rence entre diff\u00e9rentes m\u00e9thodes de test et diff\u00e9rentes industries (les donn\u00e9es fournies ci-dessous sont approximatives).<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-281\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-281\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 16.6237%;\"><b>Rockwell (HRC)<\/b><\/td>\n<td style=\"width: 16.7526%;\"><b>Rockwell (HRA)<\/b><\/td>\n<td style=\"width: 16.7526%;\"><b>Rockwell (HRB)<\/b><\/td>\n<td style=\"width: 12.8866%;\"><b>Brinell (HB)<\/b><\/td>\n<td style=\"width: 13.5309%;\"><b>Vickers (HV)<\/b><\/td>\n<td style=\"width: 12.7577%;\"><b>Knoop (HK)<\/b><\/td>\n<td style=\"width: 10.567%;\"><b>Leeb (HL)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">37<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">55<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">95<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">100<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">111<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">287<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">42<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">64<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">107<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">113<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">127<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">350<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">44<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">70<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">121<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">127<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">139<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">390<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">47<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">75<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">135<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">137<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">150<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">397<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">0<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">81<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">149<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">149<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">167<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">417<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">55<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">86<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">166<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">168<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">184<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">437<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">57<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">89<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">180<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">180<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">196<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">455<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">15<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">59<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">93<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">199<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">199<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">216<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">478<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">20<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">61<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">100<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">255<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">258<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">258<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">500<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">25<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">62<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">103<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">277<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">290<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">290<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">530<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">30<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">63<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">105<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">302<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">324<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">324<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">550<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">35<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">64<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">108<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">327<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">358<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">358<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">570<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">40<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">65<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">110<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">352<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">395<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">395<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">590<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">45<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">66<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">113<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">381<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">436<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">436<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">610<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">67<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">115<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">411<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">477<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">477<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">630<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">55<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">68<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">118<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">444<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">520<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">520<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">650<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">60<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">69<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">120<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">477<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">566<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">566<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">670<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">65<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">70<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">123<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">512<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">613<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">613<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">690<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">70<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">71<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">125<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">550<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">661<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">661<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">710<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">75<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">72<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">128<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">590<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">712<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">712<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">730<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 16.6237%;\"><span style=\"font-weight: 400;\">80<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">73<\/span><\/td>\n<td style=\"width: 16.7526%;\"><span style=\"font-weight: 400;\">130<\/span><\/td>\n<td style=\"width: 12.8866%;\"><span style=\"font-weight: 400;\">634<\/span><\/td>\n<td style=\"width: 13.5309%;\"><span style=\"font-weight: 400;\">764<\/span><\/td>\n<td style=\"width: 12.7577%;\"><span style=\"font-weight: 400;\">764<\/span><\/td>\n<td style=\"width: 10.567%;\"><span style=\"font-weight: 400;\">750<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-selection-de-la-meilleure-methode-d-essai-de-durete-pour-votre-application\"><strong>S\u00e9lection de la meilleure m\u00e9thode d&rsquo;essai de duret\u00e9 pour votre application<\/strong><\/h2>\n\n\n<p>Le tableau suivant fournit un aper\u00e7u des diff\u00e9rents mat\u00e9riaux, y compris des m\u00e9taux, ainsi que des diff\u00e9rentes m\u00e9thodes d&rsquo;essai de duret\u00e9 pour chacun. Le tableau classifie les mat\u00e9riaux en fonction de leur capacit\u00e9 \u00e0 subir des essais de duret\u00e9 sp\u00e9cifiques, tels que les essais de Rockwell, Brinell, Vickers, et d&rsquo;autres.&nbsp;<\/p>\n\n\n\n<p>Ce r\u00e9sum\u00e9 concis facilite le choix de la m\u00e9thode d&rsquo;essai appropri\u00e9e pour diff\u00e9rents mat\u00e9riaux, garantissant des mesures pr\u00e9cises et fiables.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"2560\" height=\"2338\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-scaled.jpg\" alt=\"\" class=\"wp-image-53354\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-scaled.jpg 2560w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-300x274.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-1024x935.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-768x702.jpg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-1536x1403.jpg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-2048x1871.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-scaled.jpg\" data-fancybox=\"gallery-52245\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-insert-types-by-materials-scaled.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/fr\/topic\/besoin-de-recommandations-pour-un-alliage-daluminium-solide\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/community-icon-1.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/fr\/topic\/besoin-de-recommandations-pour-un-alliage-daluminium-solide\/\" class=\"aside-link\">Th\u00e8me : Besoin de recommandations pour un alliage d&rsquo;aluminium solide<\/a>    <\/aside>\r\n    \n\n\n<p>Bien que ce tableau ne pr\u00e9sente que les essais de duret\u00e9 des m\u00e9taux, les polym\u00e8res et les \u00e9lastom\u00e8res peuvent \u00e9galement \u00eatre test\u00e9s \u00e0 l&rsquo;aide de m\u00e9thodes d&rsquo;essai l\u00e9g\u00e8rement diff\u00e9rentes (par ex., la duret\u00e9 Shore).<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-essai-de-durete-rockwell\"><strong>Essai de duret\u00e9 Rockwell<\/strong><\/h2>\n\n\n<p>L&rsquo;essai de duret\u00e9 Rockwell est une m\u00e9thode largement utilis\u00e9e pour d\u00e9terminer la duret\u00e9 des mat\u00e9riaux, en particulier dans les environnements de test \u00e0 gros volume, en raison de sa rapidit\u00e9, de sa simplicit\u00e9 et de son efficacit\u00e9. Il fournit des lectures directes de duret\u00e9 sans n\u00e9cessiter de calculs suppl\u00e9mentaires, ce qui le rend id\u00e9al pour les contr\u00f4les qualit\u00e9 de routine.&nbsp;<\/p>\n\n\n\n<p>L&rsquo;essai Rockwell est particuli\u00e8rement adapt\u00e9 aux mat\u00e9riaux plus durs comme les aciers et les alliages, o\u00f9 les indentations plus petites et la pr\u00e9cision de la mesure de la profondeur d&rsquo;indentation donnent des r\u00e9sultats fiables. Il n\u00e9cessite \u00e9galement moins de comp\u00e9tences de la part de l&rsquo;op\u00e9rateur et r\u00e9duit la probabilit\u00e9 d&rsquo;erreur humaine par rapport \u00e0 d&rsquo;autres m\u00e9thodes, telles que Brinell, ce qui en fait un choix privil\u00e9gi\u00e9 dans les environnements de production o\u00f9 vitesse et facilit\u00e9 d&rsquo;utilisation sont des facteurs essentiels.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester-1024x683.jpeg\" alt=\"Operator inspecting material hardness using a Rockwell hardness tester\" class=\"wp-image-51828\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester-1024x683.jpeg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester-300x200.jpeg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester-768x512.jpeg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester-1536x1024.jpeg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester-2048x1366.jpeg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester.jpeg\" data-fancybox=\"gallery-52245\" data-caption=\"Op\u00e9rateur inspectant la duret\u00e9 du mat\u00e9riau \u00e0 l&#039;aide d&#039;un testeur de duret\u00e9 Rockwell\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/rockwell-hardness-tester.jpeg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Op\u00e9rateur inspectant la duret\u00e9 du mat\u00e9riau \u00e0 l&rsquo;aide d&rsquo;un testeur de duret\u00e9 Rockwell<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-echelles-de-durete-rockwell\">\u00c9chelles de duret\u00e9 Rockwell<\/h3>\n\n<div class=\"custom-table-block \" id=\"table-id-205\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-205\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 20.3608%\"><strong>\u00c9chelle de duret\u00e9<\/strong><\/td>\n<td style=\"width: 63.0155%\"><b>Application<\/b><\/td>\n<td style=\"width: 16.4948%\"><strong>Charge typique<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3608%\"><span style=\"font-weight: 400\">Rockwell A (HRA)<\/span><\/td>\n<td style=\"width: 63.0155%\">Acier fin et carbure<\/td>\n<td style=\"width: 16.4948%\"><span style=\"font-weight: 400\">60 kgf<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3608%\"><span style=\"font-weight: 400\">Rockwell B (HRB)<\/span><\/td>\n<td style=\"width: 63.0155%\">M\u00e9taux plus mous comme les alliages de cuivre, l&rsquo;aluminium et les aciers doux<\/td>\n<td style=\"width: 16.4948%\"><span style=\"font-weight: 400\">100 kgf<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3608%\"><span style=\"font-weight: 400\">Rockwell C (HRC)<\/span><\/td>\n<td style=\"width: 63.0155%\">Mat\u00e9riaux plus durs comme l&rsquo;acier tremp\u00e9 et les alliages de titane<\/td>\n<td style=\"width: 16.4948%\"><span style=\"font-weight: 400\">150 kgf<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methodologie-rockwell\"><strong>M\u00e9thodologie Rockwell<\/strong><\/h3>\n\n\n<p>L&rsquo;essai de duret\u00e9 Rockwell consiste \u00e0 appliquer une s\u00e9quence de charges sur le mat\u00e9riau et \u00e0 mesurer la profondeur de l&rsquo;indentation r\u00e9sultante, qui donne une indication de la duret\u00e9 du mat\u00e9riau. Voici une description \u00e9tape par \u00e9tape du processus&nbsp;:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Appliquez une charge pr\u00e9liminaire<\/strong>\n<ul class=\"wp-block-list\">\n<li>Commencez par appliquer une charge mineure de 10&nbsp;kgf sur le mat\u00e9riau.<\/li>\n\n\n\n<li>Cette charge initiale aide \u00e0 \u00e9tablir une base de d\u00e9part coh\u00e9rente et \u00e9limine les irr\u00e9gularit\u00e9s de surface.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Stabilisez la charge<\/strong>\n<ul class=\"wp-block-list\">\n<li>Laissez la charge mineure se stabiliser, en vous assurant que le p\u00e9n\u00e9trateur est correctement positionn\u00e9 sur le mat\u00e9riau.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li> <strong>Appliquez une charge majeure<\/strong>\n<ul class=\"wp-block-list\">\n<li>Une fois que la charge mineure est stable, appliquez la charge majeure.<\/li>\n\n\n\n<li>La charge majeure peut varier de 60 \u00e0 150&nbsp;kgf, selon l&rsquo;\u00e9chelle Rockwell sp\u00e9cifique utilis\u00e9e.<\/li>\n\n\n\n<li>Cette charge cr\u00e9e une indentation plus profonde dans le mat\u00e9riau.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Maintenez la charge<\/strong>\n<ul class=\"wp-block-list\">\n<li>Maintenez la charge majeure pendant une dur\u00e9e pr\u00e9d\u00e9termin\u00e9e.<\/li>\n\n\n\n<li>Cela permet au mat\u00e9riau de r\u00e9agir pleinement \u00e0 la force appliqu\u00e9e.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Retirez la charge majeure<\/strong>\n<ul class=\"wp-block-list\">\n<li>Une fois le temps requis \u00e9coul\u00e9, retirez la charge majeure tout en maintenant en place la charge mineure.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Mesurez l&rsquo;indentation<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mesurez la profondeur de l&rsquo;indentation finale par rapport \u00e0 la position initiale de la charge mineure.<\/li>\n\n\n\n<li>La mesure est enregistr\u00e9e en unit\u00e9s de 0,002 mm.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>L&rsquo;indice de duret\u00e9 Rockwell, calcul\u00e9 automatiquement par la machine de test, refl\u00e8te cette profondeur\u2014des valeurs plus \u00e9lev\u00e9es indiquent des mat\u00e9riaux plus durs avec des indentations plus profondes, tandis que des valeurs plus basses correspondent \u00e0 des mat\u00e9riaux plus mous avec des indentations plus profondes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1290\" height=\"1089\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods.jpg\" alt=\"\" class=\"wp-image-53324\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods.jpg 1290w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods-300x253.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods-1024x864.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods-768x648.jpg 768w\" sizes=\"(max-width: 1290px) 100vw, 1290px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods.jpg\" data-fancybox=\"gallery-52245\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-hardness-testing-methods.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-depannage\"><strong>D\u00e9pannage<\/strong><\/h3>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9talonnage&nbsp;:<\/strong> Assurez-vous que la surface de test est propre, lisse et exempte de rev\u00eatements ou de contaminants pouvant affecter l&rsquo;indentation.<\/li>\n\n\n\n<li><strong>Calibration:<\/strong> \u00c9talonnez r\u00e9guli\u00e8rement le testeur et v\u00e9rifiez s&rsquo;il existe un probl\u00e8me m\u00e9canique quelconque avec le p\u00e9n\u00e9trateur ou le syst\u00e8me de chargement.<\/li>\n\n\n\n<li><strong>Chargement ad\u00e9quat :<\/strong> V\u00e9rifiez que les charges pr\u00e9liminaire et principale sont appliqu\u00e9es de mani\u00e8re adapt\u00e9e, en \u00e9vitant une force excessive qui peut causer des dommages \u00e0 la surface ou un sous-chargement qui conduit \u00e0 des lectures inexactes.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-essai-de-durete-brinell\"><strong>Essai de duret\u00e9 Brinell<\/strong><\/h2>\n\n\n<p>L&rsquo;essai de duret\u00e9 Brinell est id\u00e9al pour mesurer la duret\u00e9 des m\u00e9taux \u00e0 grain grossier ou non homog\u00e8ne, tels que la fonte et les m\u00e9taux plus mous comme les alliages d&rsquo;aluminium. Il mesure le diam\u00e8tre d&rsquo;une indentation plus grande, ce qui donne une moyenne des variations de la microstructure du mat\u00e9riau, fournissant une valeur de duret\u00e9 plus repr\u00e9sentative pour les mat\u00e9riaux aux propri\u00e9t\u00e9s non uniformes.<\/p>\n\n\n\n<p>L&rsquo;essai Brinell est particuli\u00e8rement utile pour tester les mat\u00e9riaux plus mous ou lorsqu&rsquo;une zone d&rsquo;indentation plus grande est n\u00e9cessaire pour l&rsquo;analyse. Au contraire, l&rsquo;essai Rockwell est mieux adapt\u00e9 aux mat\u00e9riaux plus durs et aux sc\u00e9narios n\u00e9cessitant des lectures rapides et directes, mais peut \u00eatre moins pr\u00e9cis pour les mat\u00e9riaux \u00e0 microstructures variables.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test-1024x576.webp\" alt=\"Material hardness measurement with a Brinell hardness tester (Source: emcotest.com)\" class=\"wp-image-51852\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test-1024x576.webp 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test-300x169.webp 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test-768x432.webp 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test.webp 1301w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test.webp\" data-fancybox=\"gallery-52245\" data-caption=\"Mesure de duret\u00e9 d&#039;un mat\u00e9riau avec un testeur de duret\u00e9 Brinell (Source&nbsp;: emcotest.com)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/brinell-hardness-test.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Mesure de duret\u00e9 d&rsquo;un mat\u00e9riau avec un testeur de duret\u00e9 Brinell (Source&nbsp;: emcotest.com)<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-echelles-de-durete-brinell\"><strong>\u00c9chelles de duret\u00e9 Brinell<\/strong><\/h3>\n\n<div class=\"custom-table-block \" id=\"table-id-95\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-95\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 36.2113%\"><strong>Mat\u00e9riau<\/strong><\/td>\n<td style=\"width: 45.8763%\"><strong>Indice de duret\u00e9 Brinell (HBW)<\/strong><\/td>\n<td style=\"width: 17.7835%\"><strong>Charge typique<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">Surface nitritur\u00e9e<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">750<\/span><\/td>\n<td style=\"width: 17.7835%\">3000\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">Fonte blanche<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">415<\/span><\/td>\n<td style=\"width: 17.7835%\">3000\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">M\u00e9taux durs (g\u00e9n\u00e9ral)<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">160 &#8211; 600<\/span><\/td>\n<td style=\"width: 17.7835%\">3000\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">Acier \u00e0 burin recuit<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">235<\/span><\/td>\n<td style=\"width: 17.7835%\">1500\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">Acier doux<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">130<\/span><\/td>\n<td style=\"width: 17.7835%\">1500\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">M\u00e9taux de duret\u00e9 moyenne (g\u00e9n\u00e9ral)<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">80 &#8211; 300<\/span><\/td>\n<td style=\"width: 17.7835%\">1500\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">Laiton doux<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">60<\/span><\/td>\n<td style=\"width: 17.7835%\">500\u00a0kgf<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 36.2113%\">M\u00e9taux mous (g\u00e9n\u00e9ral)<\/td>\n<td style=\"width: 45.8763%\"><span style=\"font-weight: 400\">26 &#8211; 100<\/span><\/td>\n<td style=\"width: 17.7835%\"><span style=\"font-weight: 400\">500 kgf<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methodologie\"><strong>M\u00e9thodologie<\/strong><\/h3>\n\n\n<p>L&rsquo;essai de duret\u00e9 Brinell mesure la duret\u00e9 des mat\u00e9riaux en d\u00e9terminant le diam\u00e8tre d&rsquo;une indentation faite par une bille en acier tremp\u00e9 ou en carbure sous une charge sp\u00e9cifique. Une charge, g\u00e9n\u00e9ralement comprise entre 500 et 3000&nbsp;kgf, est appliqu\u00e9e \u00e0 la surface du mat\u00e9riau pendant 10 \u00e0 15 secondes, permettant \u00e0 la bille de p\u00e9n\u00e9trer et de cr\u00e9er une indentation.<\/p>\n\n\n\n<p>Apr\u00e8s avoir retir\u00e9 la charge, le diam\u00e8tre de l&rsquo;indentation est mesur\u00e9 \u00e0 l&rsquo;aide d&rsquo;un microscope. L&rsquo;indice de duret\u00e9 Brinell est calcul\u00e9 en fonction de la charge appliqu\u00e9e et de la surface de l&rsquo;indentation, des diam\u00e8tres plus grands indiquant des mat\u00e9riaux plus mous et des diam\u00e8tres plus petits indiquant des mat\u00e9riaux plus durs.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1460\" height=\"826\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test.jpg\" alt=\"\" class=\"wp-image-53312\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test.jpg 1460w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test-300x170.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test-1024x579.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test-768x434.jpg 768w\" sizes=\"(max-width: 1460px) 100vw, 1460px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test.jpg\" data-fancybox=\"gallery-52245\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-brinell-hardness-test.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-depannage-0\"><strong>D\u00e9pannage<\/strong><\/h3>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Application de la force ad\u00e9quate&nbsp;:<\/strong> Assurez-vous que la force ad\u00e9quate est appliqu\u00e9e sur le mat\u00e9riau test\u00e9, car une force trop importante ou trop faible peut entra\u00eener des formes d&rsquo;indentation incorrectes.<\/li>\n\n\n\n<li><strong>Homog\u00e9n\u00e9it\u00e9 du mat\u00e9riau&nbsp;:<\/strong> V\u00e9rifiez l&rsquo;uniformit\u00e9 du mat\u00e9riau&nbsp;; des mat\u00e9riaux inhomog\u00e8nes peuvent entra\u00eener des indentations irr\u00e9guli\u00e8res.<\/li>\n\n\n\n<li><strong>Mesure pr\u00e9cise&nbsp;:<\/strong> Utilisez un grossissement et un \u00e9clairage appropri\u00e9s pour mesurer avec pr\u00e9cision le diam\u00e8tre de l&rsquo;indentation, et \u00e9vitez les erreurs de parallaxe en vous assurant que la mesure est prise directement au-dessus de l&rsquo;indentation.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-essai-de-durete-vickers\"><strong>Essai de duret\u00e9 Vickers<\/strong><\/h2>\n\n\n<p>L&rsquo;essai de duret\u00e9 Vickers est une m\u00e9thode polyvalente et pr\u00e9cise adapt\u00e9e \u00e0 un large \u00e9ventail de mat\u00e9riaux, des m\u00e9taux mous aux c\u00e9ramiques dures, et est particuli\u00e8rement pr\u00e9cieux pour les essais de microduret\u00e9 n\u00e9cessitant des mesures pr\u00e9cises et faibles. Cet essai utilise un p\u00e9n\u00e9trateur pyramidal en diamant, qui cr\u00e9e une indentation constante quelle que soit la duret\u00e9 du mat\u00e9riau, ce qui garantit des r\u00e9sultats tr\u00e8s pr\u00e9cis.<\/p>\n\n\n\n<p>Contrairement \u00e0 l&rsquo;essai Brinell, adapt\u00e9 aux mat\u00e9riaux \u00e0 grains grossiers, ou \u00e0 l&rsquo;essai Rockwell, id\u00e9al pour les essais rapides \u00e0 gros volume, la m\u00e9thode Vickers excelle dans les tests de tr\u00e8s petits ou de tr\u00e8s fins \u00e9chantillons et fournit des donn\u00e9es d\u00e9taill\u00e9es sur la microduret\u00e9. Cela le rend particuli\u00e8rement utile dans les domaines de la recherche, de la science des mat\u00e9riaux et pour les applications n\u00e9cessitant des d\u00e9tails fins et de la pr\u00e9cision.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing-1024x576.webp\" alt=\"Material hardness measured using a Vickers hardness tester\" class=\"wp-image-51888\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing-1024x576.webp 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing-300x169.webp 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing-768x432.webp 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing.webp 1301w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing.webp\" data-fancybox=\"gallery-52245\" data-caption=\"Duret\u00e9 du mat\u00e9riau mesur\u00e9e \u00e0 l&#039;aide d&#039;un testeur de duret\u00e9 Vickers (Source&nbsp;: emcotest.com)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/vickers-hardness-testing.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Duret\u00e9 du mat\u00e9riau mesur\u00e9e \u00e0 l&rsquo;aide d&rsquo;un testeur de duret\u00e9 Vickers (Source&nbsp;: emcotest.com)<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-echelles-de-durete-vickers\"><strong>\u00c9chelles de duret\u00e9 Vickers<\/strong><\/h3>\n\n\n<p>Le test HV (Vickers Hardness Number, ou indice de duret\u00e9 Vickers en fran\u00e7ais) peut \u00eatre effectu\u00e9 sous des charges allant de 1&nbsp;gf \u00e0 100&nbsp;kgf. La polyvalence de la plage de charge lui permet d&rsquo;\u00eatre utilis\u00e9 aussi bien pour les essais de microduret\u00e9 que pour ceux de macroduret\u00e9.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methodologie-0\"><strong>M\u00e9thodologie<\/strong><\/h3>\n\n\n<p>L&rsquo;essai de duret\u00e9 Vickers mesure la duret\u00e9 des mat\u00e9riaux en d\u00e9terminant la taille d&rsquo;une indentation faite par un p\u00e9n\u00e9trateur en forme de pyramide de diamant sous une charge sp\u00e9cifique. Une charge allant de 1&nbsp;gf \u00e0 100&nbsp;kgf est appliqu\u00e9e \u00e0 la surface du mat\u00e9riau, cr\u00e9ant une indentation \u00e0 la forme carr\u00e9e. Apr\u00e8s avoir retir\u00e9 la charge, les diagonales de l&rsquo;indentation sont mesur\u00e9es \u00e0 l&rsquo;aide d&rsquo;un microscope.<\/p>\n\n\n\n<p>Le HV est calcul\u00e9 en fonction de la charge appliqu\u00e9e et de la surface de l&rsquo;indentation. Des indentations plus petites indiquent des mat\u00e9riaux plus durs, tandis que des indentations plus grandes indiquent des mat\u00e9riaux plus mous, le test \u00e9tant particuli\u00e8rement utile pour des mesures de duret\u00e9 pr\u00e9cises sur une large gamme de mat\u00e9riaux.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1382\" height=\"858\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test.jpg\" alt=\"\" class=\"wp-image-53348\" style=\"max-width:838px;height:auto\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test.jpg 1382w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test-300x186.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test-1024x636.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test-768x477.jpg 768w\" sizes=\"(max-width: 1382px) 100vw, 1382px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test.jpg\" data-fancybox=\"gallery-52245\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-vickers-hardness-test.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-essai-de-durete-knoop\"><strong>Essai de duret\u00e9 Knoop<\/strong><\/h2>\n\n\n<p>L&rsquo;essai de duret\u00e9 Knoop est un test de microduret\u00e9 con\u00e7u pour les mat\u00e9riaux fragiles tels que les c\u00e9ramiques et le verre, ainsi que pour les sections m\u00e9talliques fines ou petites. Il utilise un p\u00e9n\u00e9trateur en forme de diamant allong\u00e9 pour cr\u00e9er une indentation peu profonde et \u00e9troite, id\u00e9ale pour mesurer la duret\u00e9 sur des couches minces ou des rev\u00eatements \u00e0 l&rsquo;\u00e9chelle microscopique sans causer de dommages excessifs.<\/p>\n\n\n\n<p>L&rsquo;essai Knoop est particuli\u00e8rement adapt\u00e9 aux mat\u00e9riaux tr\u00e8s fragiles ou aux applications n\u00e9cessitant des mesures de duret\u00e9 pr\u00e9cises dans de petites zones, comme les sections transversales des rev\u00eatements, les microstructures ou les films tr\u00e8s fins, o\u00f9 des indentations plus profondes du test Vickers pourraient provoquer des fissures ou des fractures.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><h3 class=\"wp-block-heading\" id=\"h-echelles-de-durete-knoop\"><strong>\u00c9chelles de duret\u00e9 Knoop<\/strong><\/h3>\n\n\n<p>Les essais d&rsquo;indice de duret\u00e9 Knoop (HK) peuvent \u00eatre effectu\u00e9s avec des charges allant de 10&nbsp;gf \u00e0 1 000&nbsp;gf, ce qui permet une analyse d\u00e9taill\u00e9e de la duret\u00e9 des mat\u00e9riaux fragiles et des rev\u00eatements minces.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"896\" height=\"440\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-knoop-hardness-test.png\" alt=\"\" class=\"wp-image-53336\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-knoop-hardness-test.png 896w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-knoop-hardness-test-300x147.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-knoop-hardness-test-768x377.png 768w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-knoop-hardness-test.png\" data-fancybox=\"gallery-52245\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/09\/FR-knoop-hardness-test.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n<\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methodologie-1\"><strong>M\u00e9thodologie<\/strong><\/h3>\n\n\n<p>L&rsquo;essai Knoop mesure la duret\u00e9 des mat\u00e9riaux en d\u00e9terminant la longueur d&rsquo;une indentation faite par un p\u00e9n\u00e9trateur en forme de diamant allong\u00e9 sous une charge l\u00e9g\u00e8re. La charge, g\u00e9n\u00e9ralement comprise entre 10&nbsp;gf et 1000&nbsp;gf, est appliqu\u00e9e \u00e0 la surface du mat\u00e9riau, cr\u00e9ant une petite indentation allong\u00e9e. Apr\u00e8s le retrait de la charge, la longueur de la diagonale longue de l&rsquo;indentation est mesur\u00e9e \u00e0 l&rsquo;aide d&rsquo;un microscope.&nbsp;<\/p>\n\n\n\n<p>L&rsquo;indice de duret\u00e9 Knoop (HK) est calcul\u00e9 en fonction de la charge et de la surface de l&rsquo;indentation, les indentations plus longues indiquant des mat\u00e9riaux plus doux et les indentations plus courtes indiquant des mat\u00e9riaux plus durs. Ce test est particuli\u00e8rement adapt\u00e9 aux mat\u00e9riaux fragiles et aux rev\u00eatements minces.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-depannage-1\"><strong>D\u00e9pannage<\/strong><\/h3>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alignement du p\u00e9n\u00e9trateur&nbsp;:<\/strong> V\u00e9rifiez que le p\u00e9n\u00e9trateur est correctement align\u00e9 avec la surface de test pour \u00e9viter des indentations d\u00e9cal\u00e9es ou excentr\u00e9es.<\/li>\n\n\n\n<li><strong>Grossissement \u00e9lev\u00e9&nbsp;:<\/strong> Utilisez un grossissement \u00e9lev\u00e9 pour mesurer les petites indentations, en particulier pour les essais Knoop, afin de garantir une mesure pr\u00e9cise.<\/li>\n\n\n\n<li><strong>Chargement constant&nbsp;:<\/strong> Assurez-vous que le processus de chargement est graduel et constant pour \u00e9viter des variations de la taille de l&rsquo;indentation et des lectures de duret\u00e9.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-essai-de-durete-leeb\"><strong>Essai de duret\u00e9 Leeb<\/strong><\/h2>\n\n\n<p>L&rsquo;essai de duret\u00e9 Leeb, \u00e9galement connu sous le nom d&rsquo;essai de duret\u00e9 par rebond, mesure la duret\u00e9 en analysant le rebond d&rsquo;un p\u00e9n\u00e9trateur, plut\u00f4t que la taille d&rsquo;une indentation. L&rsquo;essai Leeb est portable et id\u00e9al pour les essais sur site de composants volumineux et lourds, offrant une m\u00e9thode non destructive qui cause des dommages minimes aux pi\u00e8ces finies et aux rev\u00eatements.<\/p>\n\n\n\n<p>L&rsquo;essai Leeb est polyvalent, car il s&rsquo;adapte \u00e0 diff\u00e9rents mat\u00e9riaux et niveaux de duret\u00e9 avec diff\u00e9rentes sondes et \u00e9nergies d&rsquo;impact. L&rsquo;essai Leeb fournit des lectures de duret\u00e9 rapides et directes avec un minimum de configuration et de comp\u00e9tences de l&rsquo;op\u00e9rateur, ce qui le rend efficace pour les applications n\u00e9cessitant de la rapidit\u00e9, une grande facilit\u00e9 d&rsquo;utilisation et des capacit\u00e9s de test sur le terrain.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test-1024x683.jpeg\" alt=\"Operator inspecting material hardness using a portable Leeb hardness tester\" class=\"wp-image-51924\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test-1024x683.jpeg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test-300x200.jpeg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test-768x512.jpeg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test-1536x1024.jpeg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test-2048x1366.jpeg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test.jpeg\" data-fancybox=\"gallery-52245\" data-caption=\"Op\u00e9rateur inspectant la duret\u00e9 du mat\u00e9riau \u00e0 l&#039;aide d&#039;un testeur de duret\u00e9 portable Leeb\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/leeb-hardness-test.jpeg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Op\u00e9rateur inspectant la duret\u00e9 du mat\u00e9riau \u00e0 l&rsquo;aide d&rsquo;un testeur de duret\u00e9 portable Leeb<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-types-de-sonde\"><strong>Types de sonde<\/strong><\/h3>\n\n\n<p>Les essais d&rsquo;indice de duret\u00e9 Leeb (HL) peuvent \u00eatre effectu\u00e9s avec diff\u00e9rentes \u00e9nergies d&rsquo;impact, g\u00e9n\u00e9ralement allant de 5,5&nbsp;mJ (sonde de type D) \u00e0 74,5 mJ (sonde de type G) selon la sonde utilis\u00e9e.<\/p>\n\n\n<div class=\"custom-table-block \" id=\"table-id-231\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-231\" placeholder=\"Rechercher...\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse;width: 100%;height: 240px\">\n<tbody>\n<tr>\n<td style=\"width: 11.3402%\"><strong>Type de sonde<\/strong><\/td>\n<td style=\"width: 19.3299%\"><strong>\u00c9nergie d&rsquo;impact (mJ)<\/strong><\/td>\n<td style=\"width: 69.201%\"><b>Application<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type A<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">5,5<\/span><\/td>\n<td style=\"width: 69.201%\">Principalement utilis\u00e9 pour les mat\u00e9riaux plus doux et certains plastiques, offrant une \u00e9nergie d&rsquo;impact plus faible.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type B<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">40<\/span><\/td>\n<td style=\"width: 69.201%\">Pour les mat\u00e9riaux \u00e0 duret\u00e9 moyenne \u00e0 dure, offrant une \u00e9nergie d&rsquo;impact plus \u00e9lev\u00e9e.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type C<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">20<\/span><\/td>\n<td style=\"width: 69.201%\">M\u00e9taux de duret\u00e9 moyenne (par ex., aciers de duret\u00e9 moyenne, alliages)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type D<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">9,8<\/span><\/td>\n<td style=\"width: 69.201%\">Mat\u00e9riaux mous \u00e0 moyennement durs (par ex., alliages d&rsquo;aluminium, cuivre)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type E<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">0,6<\/span><\/td>\n<td style=\"width: 69.201%\">Mat\u00e9riaux tr\u00e8s fins ou petites pi\u00e8ces (par exemple, rev\u00eatements fins, essais de microduret\u00e9)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type F<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">30<\/span><\/td>\n<td style=\"width: 69.201%\">Mat\u00e9riaux de duret\u00e9 interm\u00e9diaire (par exemple, mat\u00e9riaux entre doux et dur)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type G<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">74,5<\/span><\/td>\n<td style=\"width: 69.201%\"><span style=\"font-weight: 400\">Mat\u00e9riaux tr\u00e8s durs (par ex., aciers tremp\u00e9s, alliages \u00e0 haute r\u00e9sistance)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type H<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">10<\/span><\/td>\n<td style=\"width: 69.201%\">Mat\u00e9riaux \u00e0 haute duret\u00e9 et divers alliages et m\u00e9taux<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3402%\"><b>Type N<\/b><\/td>\n<td style=\"width: 19.3299%\"><span style=\"font-weight: 400\">15<\/span><\/td>\n<td style=\"width: 69.201%\">\u00c9nergie d&rsquo;impact normale pour les essais g\u00e9n\u00e9raux, adapt\u00e9e \u00e0 un large \u00e9ventail de mat\u00e9riaux<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methodologie-2\"><strong>M\u00e9thodologie<\/strong><\/h3>\n\n\n<p>L&rsquo;essai de duret\u00e9 Leeb mesure la duret\u00e9 des mat\u00e9riaux en d\u00e9terminant la vitesse de rebond d&rsquo;une bille en carbure de tungst\u00e8ne apr\u00e8s son impact sur la surface du mat\u00e9riau sous une \u00e9nergie d&rsquo;impact sp\u00e9cifique. L&rsquo;essai utilise g\u00e9n\u00e9ralement une sonde qui d\u00e9livre une \u00e9nergie d&rsquo;impact allant de 9,8&nbsp;mJ \u00e0 74,5&nbsp;mJ, selon le type de sonde.<\/p>\n\n\n\n<p>Apr\u00e8s que la bille a frapp\u00e9 le mat\u00e9riau, la vitesse de rebond est mesur\u00e9e, et HL est calcul\u00e9 en fonction du rapport vitesse de rebond sur vitesse d&rsquo;impact. Une vitesse de rebond plus \u00e9lev\u00e9e indique un mat\u00e9riau plus dur, tandis qu&rsquo;une vitesse de rebond plus faible indique un mat\u00e9riau plus mou. Ce test est portable, et id\u00e9al pour tester des composants volumineux et lourds sur site.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-depannage-2\"><strong>D\u00e9pannage<\/strong><\/h3>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9lection de la sonde&nbsp;:<\/strong> Choisissez le type de sonde et l&rsquo;\u00e9nergie d&rsquo;impact ad\u00e9quats au mat\u00e9riau test\u00e9 pour garantir des r\u00e9sultats pr\u00e9cis.<\/li>\n\n\n\n<li><strong>Pr\u00e9paration de la surface&nbsp;:<\/strong> La surface devrait \u00eatre lisse et exempte de d\u00e9bris&nbsp;; des surfaces rugueuses ou sales peuvent entra\u00eener une perte d&rsquo;\u00e9nergie lors de l&rsquo;impact, ce qui peut conduire \u00e0 des lectures inexactes.<\/li>\n\n\n\n<li><strong>Angle d&rsquo;impact&nbsp;:<\/strong> Assurez-vous que l&rsquo;impact est perpendiculaire \u00e0 la surface pour \u00e9viter des r\u00e9sultats biais\u00e9s.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-garantir-l-exactitude-et-la-fiabilite-des-resultats-des-essais-de-durete\"><strong>Garantir l&rsquo;exactitude et la fiabilit\u00e9 des r\u00e9sultats des essais de duret\u00e9<\/strong><\/h2>\n\n\n<p>Pour garantir des valeurs de duret\u00e9 pr\u00e9cises et fiables lors des essais, tenez compte des conseils g\u00e9n\u00e9raux suivants&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pr\u00e9paration de l&rsquo;\u00e9chantillon&nbsp;:<\/strong> Assurez-vous que la surface de l&rsquo;\u00e9chantillon est correctement pr\u00e9par\u00e9e, exempte de contaminants et pr\u00e9sente une surface lisse et plane. Des conditions de surface inconstantes peuvent conduire \u00e0 des mesures inexactes.<\/li>\n\n\n\n<li><strong>Application d&rsquo;une charge ad\u00e9quate&nbsp;:<\/strong> V\u00e9rifiez que la charge s\u00e9lectionn\u00e9e est adapt\u00e9e au mat\u00e9riau test\u00e9. L&rsquo;utilisation de charges non adapt\u00e9es peut conduire \u00e0 des indentations trop superficielles ou trop profondes, entra\u00eenant des r\u00e9sultats erron\u00e9s.<\/li>\n\n\n\n<li><strong>\u00c9talonnage correct&nbsp;:<\/strong> \u00c9talonnez r\u00e9guli\u00e8rement la machine d&rsquo;essai de duret\u00e9 avec des mat\u00e9riaux de r\u00e9f\u00e9rence certifi\u00e9s. L&rsquo;\u00e9talonnage permet de maintenir l&rsquo;exactitude des mesures au fil du temps.<\/li>\n\n\n\n<li><strong>\u00c9tat du p\u00e9n\u00e9trateur<\/strong>&nbsp;<strong>:<\/strong> Inspectez r\u00e9guli\u00e8rement le p\u00e9n\u00e9trateur pour d\u00e9tecter tout signe d&rsquo;usure. Un p\u00e9n\u00e9trateur us\u00e9 ou endommag\u00e9 peut produire des r\u00e9sultats incoh\u00e9rents et doit \u00eatre remplac\u00e9 imm\u00e9diatement.<\/li>\n\n\n\n<li><strong>Alignement&nbsp;:<\/strong> Assurez-vous que le p\u00e9n\u00e9trateur est correctement align\u00e9 avec l&rsquo;\u00e9chantillon. Un mauvais alignement peut entra\u00eener une distribution in\u00e9gale de la pression, conduisant \u00e0 des r\u00e9sultats biais\u00e9s.<\/li>\n\n\n\n<li><strong>Conditions environnementales&nbsp;:<\/strong> Contr\u00f4lez l&rsquo;environnement de test, en particulier la temp\u00e9rature et l&rsquo;humidit\u00e9, car elles peuvent influencer les propri\u00e9t\u00e9s du mat\u00e9riau et les r\u00e9sultats des essais.<\/li>\n\n\n\n<li><strong>\u00c9viter les vibrations&nbsp;:<\/strong> Placez le testeur de duret\u00e9 sur une surface stable de mani\u00e8re \u00e0 \u00e9viter les vibrations, qui peuvent interf\u00e9rer avec le processus d&rsquo;indentation et affecter la pr\u00e9cision des mesures.<\/li>\n\n\n\n<li><strong>Temps d&rsquo;indentation constant&nbsp;:<\/strong> Respectez le temps d&rsquo;indentation recommand\u00e9 pour chaque essai de duret\u00e9. Des variations de temps peuvent modifier la taille de l&rsquo;indentation et donc la valeur de duret\u00e9.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness-1024x768.jpeg\" alt=\"Automatic inspection of hardness with a Vickers tester\" class=\"wp-image-51953\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness-1024x768.jpeg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness-300x225.jpeg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness-768x576.jpeg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness-1536x1152.jpeg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness-2048x1536.jpeg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness.jpeg\" data-fancybox=\"gallery-52245\" data-caption=\"Inspection automatique de la duret\u00e9 avec un testeur Vickers\" aria-label=\"Open full image\"0><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/08\/automatic-inespection-hardness.jpeg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Inspection automatique de la duret\u00e9 avec un testeur Vickers<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resultats-d-essai-de-durete-pour-des-performances-de-materiaux-fiables\"><strong>R\u00e9sultats d&rsquo;essai de duret\u00e9 pour des performances de mat\u00e9riaux fiables<\/strong><\/h2>\n\n\n<p>L&rsquo;essai de duret\u00e9 est une pratique fondamentale en science et en g\u00e9nie des mat\u00e9riaux, fournissant des informations cruciales sur la r\u00e9sistance d&rsquo;un mat\u00e9riau \u00e0 la d\u00e9formation et sa durabilit\u00e9 g\u00e9n\u00e9rale. En comprenant les diff\u00e9rences entre les diff\u00e9rentes m\u00e9thodes d&rsquo;essai de duret\u00e9, vous pouvez s\u00e9lectionner la m\u00e9thode d&rsquo;essai de duret\u00e9 adapt\u00e9e \u00e0 un m\u00e9tal sp\u00e9cifique, ce qui vous permettra de choisir les mat\u00e9riaux de mani\u00e8re plus judicieuse et d&rsquo;obtenir de meilleures performances dans les applications r\u00e9elles.<\/p>\n","protected":false},"author":50,"featured_media":51821,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[605],"class_list":["post-52245","articles","type-articles","status-publish","has-post-thumbnail","hentry","global-tag-materiaux"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Essai de duret\u00e9 des m\u00e9taux : tests Rockwell, Brinell et Vickers | Xometry Pro<\/title>\n<meta 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