{"id":115978,"date":"2022-05-08T17:04:15","date_gmt":"2022-05-08T16:04:15","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-que-le-durcissement-des-metaux-definition\/"},"modified":"2022-05-11T08:25:53","modified_gmt":"2022-05-11T07:25:53","slug":"quest-ce-que-le-durcissement-des-metaux-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-que-le-durcissement-des-metaux-definition\/","title":{"rendered":"Qu&rsquo;est-ce que le durcissement des m\u00e9taux &#8211; D\u00e9finition"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\">Le durcissement des m\u00e9taux est un processus m\u00e9tallurgique de travail des m\u00e9taux utilis\u00e9 pour augmenter la duret\u00e9 d&rsquo;un m\u00e9tal.\u00a0La duret\u00e9 d&rsquo;un m\u00e9tal est directement proportionnelle \u00e0 la limite d&rsquo;\u00e9lasticit\u00e9 uniaxiale \u00e0 l&#8217;emplacement de la d\u00e9formation impos\u00e9e.<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><span>La r\u00e9sistance et la duret\u00e9<\/span><\/strong><span>\u00a0sont des propri\u00e9t\u00e9s mat\u00e9rielles diff\u00e9rentes.\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><strong><em><span>La r\u00e9sistance<\/span><\/em><\/strong><\/a><span>\u00a0est la capacit\u00e9 d&rsquo;un mat\u00e9riau \u00e0 r\u00e9sister \u00e0 la d\u00e9formation, tandis que la\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-hardness-definition\/\"><strong><span>duret\u00e9<\/span><\/strong><\/a><span>\u00a0est la capacit\u00e9 \u00e0 r\u00e9sister \u00e0 l&rsquo;indentation et aux rayures de la surface. Ces propri\u00e9t\u00e9s ne sont pas interchangeables, mais leurs am\u00e9liorations sont bas\u00e9es sur des proc\u00e9dures similaires mais pas identiques.<\/span><\/p>\n<p><span>La haute r\u00e9sistance des mat\u00e9riaux est utile dans de nombreuses applications.\u00a0Une application principale des mat\u00e9riaux renforc\u00e9s est la construction.\u00a0Afin d&rsquo;avoir des b\u00e2timents et des ponts plus solides, il faut avoir une charpente solide qui peut supporter une charge de traction ou de compression \u00e9lev\u00e9e et r\u00e9sister \u00e0 la d\u00e9formation plastique.\u00a0Les outils sont \u00e9galement bas\u00e9s sur des mat\u00e9riaux \u00e0 haute r\u00e9sistance (par exemple, <\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/tool-steel\/\"><span>l&rsquo;acier \u00e0 outils<\/span><\/a><span>\u00a0ou\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/copper-alloys\/bronze\/beryllium-bronze\/\"><span>le cuivre au b\u00e9ryllium<\/span><\/a><span>).<\/span><\/p>\n<p><span>Une duret\u00e9 \u00e9lev\u00e9e des mat\u00e9riaux est requise pour d&rsquo;autres applications.\u00a0Une application principale des mat\u00e9riaux durcis concerne les outils de coupe de machines (forets, tarauds, outils de tour), qui doivent \u00eatre beaucoup plus durs que le mat\u00e9riau sur lequel ils fonctionnent pour \u00eatre efficaces.\u00a0Ces outils de coupe sont g\u00e9n\u00e9ralement en\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/high-speed-steel-hss\/\"><span>acier rapide<\/span><\/a><span>.\u00a0Les lames de couteau utilisent \u00e9galement des aciers \u00e0 haute duret\u00e9 pour garder un tranchant de lame.\u00a0Les roulements doivent avoir une surface tr\u00e8s dure qui r\u00e9sistera aux contraintes continues.<\/span><\/p>\n<h2><span>Durcissement des m\u00e9taux<\/span><\/h2>\n<p><span>En science des mat\u00e9riaux, la\u00a0<\/span><strong><span>duret\u00e9<\/span><\/strong><span>\u00a0est la capacit\u00e9 \u00e0 r\u00e9sister \u00e0\u00a0<\/span><strong><span>l&rsquo;indentation de surface<\/span><\/strong><span> (<\/span><strong><span>d\u00e9formation plastique localis\u00e9e<\/span><\/strong><span>) et aux\u00a0<\/span><strong><span>rayures<\/span><\/strong><span>.\u00a0<\/span><strong><span>La duret\u00e9<\/span><\/strong><span>\u00a0est probablement la propri\u00e9t\u00e9 mat\u00e9rielle la plus mal d\u00e9finie car elle peut indiquer une r\u00e9sistance aux rayures, une r\u00e9sistance \u00e0 l&rsquo;abrasion, une r\u00e9sistance \u00e0 l&rsquo;indentation ou encore une r\u00e9sistance \u00e0 la mise en forme ou \u00e0 la d\u00e9formation plastique localis\u00e9e.\u00a0La duret\u00e9 est importante d&rsquo;un point de vue technique car la r\u00e9sistance \u00e0 l&rsquo;usure par frottement ou \u00e9rosion par la vapeur, l&rsquo;huile et l&rsquo;eau augmente g\u00e9n\u00e9ralement avec la duret\u00e9.<\/span><\/p>\n<p><span>La trempe est un processus m\u00e9tallurgique de travail des m\u00e9taux utilis\u00e9 pour augmenter la duret\u00e9 d&rsquo;un m\u00e9tal.\u00a0La duret\u00e9 d&rsquo;un m\u00e9tal est directement proportionnelle \u00e0 la limite d&rsquo;\u00e9lasticit\u00e9 uniaxiale \u00e0 l&#8217;emplacement de la d\u00e9formation impos\u00e9e.\u00a0Pour am\u00e9liorer la duret\u00e9 d&rsquo;un m\u00e9tal pur, nous pouvons utiliser diff\u00e9rentes mani\u00e8res, parmi lesquelles:<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/hall-petch-equation-hall-petch-method\/\"><strong><span>M\u00e9thode Hall-Petch<\/span><\/strong><\/a><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/solid-solution-strengthening-alloying\/\"><strong><span>Durcissement en solution solide<\/span><\/strong><\/a><span>\u00a0(alliage)<\/span><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/work-hardening-cold-working\/\"><strong><span>Ecrouissage (travail \u00e0 froid)<\/span><\/strong><\/a><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/precipitation-hardening-age-hardening\/\"><strong><span>Durcissement par pr\u00e9cipitation<\/span><\/strong><\/a><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/transformation-hardening-martensitic-transformation-hardening\/\"><strong><span>Trempe par transformation<\/span><\/strong><\/a><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/dispersion-hardening\/\"><strong><span>Durcissement par dispersion<\/span><\/strong><\/a><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/surface-hardening-case-hardening\/\"><strong><span>Durcissement superficiel<\/span><\/strong><\/a><\/li>\n<\/ul>\n<h2><span>Duret\u00e9 et r\u00e9sistance \u00e0 la traction<\/span><\/h2>\n<p><span>Outre la corr\u00e9lation entre les diff\u00e9rents nombres de duret\u00e9, il existe \u00e9galement des corr\u00e9lations possibles avec d&rsquo;autres propri\u00e9t\u00e9s des mat\u00e9riaux.\u00a0Par exemple, pour les aciers au carbone ordinaires trait\u00e9s thermiquement et les aciers moyennement alli\u00e9s, une autre conversion pratique est celle de\u00a0<\/span><strong><span>la duret\u00e9 Brinell en r\u00e9sistance \u00e0\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/stress-strain-curve-stress-strain-diagram\/ultimate-tensile-strength-uts\/\"><span>la traction ultime<\/span><\/a><\/strong>.<span>\u00a0Dans ce cas, la r\u00e9sistance \u00e0 la traction ultime (en psi) est approximativement \u00e9gale \u00e0 l&rsquo;indice de duret\u00e9 Brinell multipli\u00e9 par\u00a0<\/span><strong><span>500<\/span><\/strong><span>.\u00a0G\u00e9n\u00e9ralement, une duret\u00e9 \u00e9lev\u00e9e indiquera une r\u00e9sistance relativement\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><span>\u00e9lev\u00e9e<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/ductility\/\"><span>une faible ductilit\u00e9<\/span><\/a><span>\u00a0du mat\u00e9riau.<\/span><\/p>\n<p><span>Dans l&rsquo;industrie, les essais de duret\u00e9 sur m\u00e9taux sont principalement utilis\u00e9s pour contr\u00f4ler la qualit\u00e9 et l&rsquo;homog\u00e9n\u00e9it\u00e9 des m\u00e9taux, notamment lors des op\u00e9rations de traitement thermique.\u00a0Les tests peuvent g\u00e9n\u00e9ralement \u00eatre appliqu\u00e9s au produit fini sans dommage significatif.<\/span><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>R\u00e9f\u00e9rences :<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">Science des mat\u00e9riaux:<\/div><\/div><\/div><\/span><\/p>\n<p><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 1 and 2. Janvier 1993.<\/span><br \/>\n<span>US Department of Energy, Material Science.\u00a0DOE Fundamentals Handbook, Volume 2 et 2. Janvier 1993.<\/span><br \/>\n<span>William D. Callister, David G. Rethwisch.\u00a0Science et g\u00e9nie des mat\u00e9riaux : une introduction 9e \u00e9dition, Wiley ;\u00a09 \u00e9dition (4 d\u00e9cembre 2013), ISBN-13\u00a0: 978-1118324578.<\/span><br \/>\n<span>En ligneEberhart, Mark (2003).\u00a0Pourquoi les choses se cassent\u00a0: Comprendre le monde par la mani\u00e8re dont il se d\u00e9compose.\u00a0Harmonie.\u00a0ISBN 978-1-4000-4760-4.<\/span><br \/>\n<span>Gaskell, David R. (1995).\u00a0Introduction \u00e0 la thermodynamique des mat\u00e9riaux (4e \u00e9d.).\u00a0\u00c9ditions Taylor et Francis.\u00a0ISBN 978-1-56032-992-3.<\/span><br \/>\n<span>Gonz\u00e1lez-Vi\u00f1as, W. &amp; Mancini, HL (2004).\u00a0Une introduction \u00e0 la science des mat\u00e9riaux.\u00a0Presse universitaire de Princeton.\u00a0ISBN 978-0-691-07097-1.<\/span><br \/>\n<span>Ashby, Michael;\u00a0Hugh Shercliff;\u00a0David Cebon (2007).\u00a0Mat\u00e9riaux: ing\u00e9nierie, science, traitement et conception (1\u00e8re \u00e9d.).\u00a0Butterworth-Heinemann.\u00a0ISBN 978-0-7506-8391-3.<\/span><br \/>\n<span>JR Lamarsh, AJ Baratta, Introduction au g\u00e9nie nucl\u00e9aire, 3e \u00e9d., Prentice-Hall, 2001, ISBN : 0-201-82498-1.<\/span><br \/>\n<span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div class=\"su-divider su-divider-style-default\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span>Voir ci-dessus:<\/span><br \/>\n<span>Travail des m\u00e9taux<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/metalworking\/\" class=\"su-button su-button-style-flat\" style=\"color: #606060;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color: #606060;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><img src=\"icon : lien\" alt=\"\" style=\"width:24px;height:24px\" \/> <\/span><\/a><\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Nous esp\u00e9rons que cet article,\u00a0<\/span><strong><span>Durcissement des m\u00e9taux<\/span><\/strong><span>, vous aidera.\u00a0Si oui,\u00a0<\/span><strong><span>donnez-nous un like<\/span><\/strong><span>\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous esp\u00e9rons que cet article,\u00a0Durcissement des m\u00e9taux, vous aidera.\u00a0Si oui,\u00a0donnez-nous un like\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce que le durcissement des m\u00e9taux - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"La trempe des m\u00e9taux est un proc\u00e9d\u00e9 m\u00e9tallurgique de travail des m\u00e9taux utilis\u00e9 pour augmenter la duret\u00e9 d&#039;un m\u00e9tal. La duret\u00e9 d&#039;un m\u00e9tal est directement proportionnelle \u00e0 la limite d&#039;\u00e9lasticit\u00e9 uniaxiale \u00e0 l&#039;emplacement de la d\u00e9formation impos\u00e9e.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/material-properties.org\/fr\/quest-ce-que-le-durcissement-des-metaux-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce que le durcissement des m\u00e9taux - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles\" \/>\n<meta property=\"og:description\" content=\"La trempe des m\u00e9taux est un proc\u00e9d\u00e9 m\u00e9tallurgique de travail des m\u00e9taux utilis\u00e9 pour augmenter la duret\u00e9 d&#039;un m\u00e9tal. La duret\u00e9 d&#039;un m\u00e9tal est directement proportionnelle \u00e0 la limite d&#039;\u00e9lasticit\u00e9 uniaxiale \u00e0 l&#039;emplacement de la d\u00e9formation impos\u00e9e.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/fr\/quest-ce-que-le-durcissement-des-metaux-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-08T16:04:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-05-11T07:25:53+00:00\" \/>\n<meta name=\"author\" content=\"Nick Connor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/material-properties.org\/fr\/quest-ce-que-le-durcissement-des-metaux-definition\/\",\"url\":\"https:\/\/material-properties.org\/fr\/quest-ce-que-le-durcissement-des-metaux-definition\/\",\"name\":\"Qu'est-ce que le durcissement des m\u00e9taux - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#website\"},\"datePublished\":\"2022-05-08T16:04:15+00:00\",\"dateModified\":\"2022-05-11T07:25:53+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"La trempe des m\u00e9taux est un proc\u00e9d\u00e9 m\u00e9tallurgique de travail des m\u00e9taux utilis\u00e9 pour augmenter la duret\u00e9 d'un m\u00e9tal. 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