{"id":116251,"date":"2022-05-11T10:58:23","date_gmt":"2022-05-11T09:58:23","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-que-la-durete-de-lacier-rapide-definition\/"},"modified":"2022-05-18T07:39:18","modified_gmt":"2022-05-18T06:39:18","slug":"quest-ce-que-la-durete-de-lacier-rapide-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-durete-de-lacier-rapide-definition\/","title":{"rendered":"Qu&rsquo;est-ce que la duret\u00e9 de l&rsquo;acier rapide &#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\">La duret\u00e9 Rockwell de l&rsquo;acier rapide &#8211; AISI M2 d\u00e9pend du processus de traitement thermique, mais elle est d&rsquo;environ 65 HRC.\u00a0Duret\u00e9 de l&rsquo;acier rapide<\/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<figure id=\"attachment_28871\" aria-describedby=\"caption-attachment-28871\" style=\"width: 269px\" class=\"wp-caption alignright\"><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/high-speed-steel-image.png\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-28871\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/high-speed-steel-image-279x300.png\" alt=\"Acier \u00e0 haute vitesse\" width=\"279\" height=\"300\" \/><\/a><figcaption id=\"caption-attachment-28871\" class=\"wp-caption-text\"><span>L&rsquo;acier rapide (HSS) est un acier \u00e0 outils \u00e0 haute duret\u00e9, haute r\u00e9sistance \u00e0 l&rsquo;usure et haute r\u00e9sistance \u00e0 la chaleur.\u00a0L&rsquo;acier rapide est souvent utilis\u00e9 dans les lames de scies \u00e9lectriques et les forets.<\/span><\/figcaption><\/figure>\n<p><strong><span>Les aciers rapides<\/span><\/strong><span>, abr\u00e9g\u00e9s en HSS, sont une classe sp\u00e9cialis\u00e9e d&rsquo;\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/tool-steel\/\"><span>aciers \u00e0 outils<\/span><\/a><span>\u00a0qui ont \u00e9t\u00e9 nomm\u00e9s principalement pour leur capacit\u00e9 \u00e0 usiner et \u00e0\u00a0<\/span><strong><span>couper des mat\u00e9riaux\u00a0<\/span><\/strong><strong><span>\u00e0 grande vitesse<\/span><\/strong><span>\u00a0(duret\u00e9 \u00e0 chaud \u00e9lev\u00e9e).\u00a0Il est souvent utilis\u00e9 dans les lames de scies \u00e9lectriques et les forets.\u00a0<\/span><strong><span>L&rsquo;acier rapide<\/span><\/strong><span>\u00a0est sup\u00e9rieur aux anciens outils en\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/high-carbon-steel\/\"><span>acier \u00e0 haute teneur en carbone<\/span><\/a><span>\u00a0en ce sens qu&rsquo;il peut r\u00e9sister \u00e0 des temp\u00e9ratures plus \u00e9lev\u00e9es sans perdre son humeur (duret\u00e9).\u00a0<\/span><strong><span>Les aciers rapides<\/span><\/strong><span>\u00a0sont des alliages complexes \u00e0 base de fer de carbone, de chrome, de vanadium, de molybd\u00e8ne ou de tungst\u00e8ne, ou des combinaisons de ceux-ci.\u00a0Pour obtenir de bonnes performances de coupe du HSS, une r\u00e9ponse de durcissement appropri\u00e9e doit \u00eatre fournie lors du traitement thermique.<\/span><\/p>\n<p><span>La r\u00e9ponse de durcissement obtenue au cours du processus de traitement thermique est au c\u0153ur des performances des aciers rapides.\u00a0Les \u00e9l\u00e9ments d&rsquo;alliage sont introduits en quantit\u00e9s donn\u00e9es par l&rsquo;application vis\u00e9e et par leur fonction dans le processus de traitement thermique, que ce soit pour augmenter la temp\u00e9rature de solidus ou inhiber la croissance des pr\u00e9cipit\u00e9s de durcissement secondaire, permettant une temp\u00e9rature de fonctionnement plus \u00e9lev\u00e9e.<\/span><\/p>\n<h2><span>Duret\u00e9 de l&rsquo;acier rapide \u2013 AISI M2<\/span><\/h2>\n<p><span>La duret\u00e9 Rockwell de l&rsquo;acier rapide &#8211; AISI M2 d\u00e9pend du processus de traitement thermique, mais elle est d&rsquo;environ 65 HRC.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/table-brinell-hardness-numbers.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-full wp-image-28044\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/table-brinell-hardness-numbers.png\" alt=\"Num\u00e9ro de duret\u00e9 Brinell\" width=\"288\" height=\"297\" \/><\/a><\/p>\n<p><strong><span>Le test de duret\u00e9 Rockwell<\/span><\/strong><span> est l&rsquo;un des tests de duret\u00e9 par indentation les plus courants, qui a \u00e9t\u00e9 d\u00e9velopp\u00e9 pour les tests de duret\u00e9.\u00a0Contrairement au test Brinell, le testeur Rockwell mesure la profondeur de p\u00e9n\u00e9tration d&rsquo;un p\u00e9n\u00e9trateur sous une charge importante (charge majeure) par rapport \u00e0 la p\u00e9n\u00e9tration faite par une pr\u00e9charge (charge mineure).\u00a0La charge mineure \u00e9tablit la position z\u00e9ro.\u00a0La charge majeure est appliqu\u00e9e, puis retir\u00e9e tout en maintenant la charge mineure.\u00a0La diff\u00e9rence entre la profondeur de p\u00e9n\u00e9tration avant et apr\u00e8s l&rsquo;application de la charge principale est utilis\u00e9e pour calculer le <\/span><strong><span>nombre de duret\u00e9 Rockwell<\/span><\/strong><span>.\u00a0C&rsquo;est-\u00e0-dire que la profondeur de p\u00e9n\u00e9tration et la duret\u00e9 sont inversement proportionnelles.\u00a0Le principal avantage de la duret\u00e9 Rockwell est sa capacit\u00e9 \u00e0 <\/span><strong><span>afficher directement les valeurs de duret\u00e9<\/span><\/strong><span>.\u00a0Le r\u00e9sultat est un nombre sans dimension not\u00e9 <\/span><strong><span>HRA, HRB, HRC<\/span><\/strong><span>, etc., o\u00f9 la derni\u00e8re lettre est l&rsquo;\u00e9chelle Rockwell respective.<\/span><\/p>\n<p><span>Le test Rockwell C est r\u00e9alis\u00e9 avec un p\u00e9n\u00e9trateur Brale (<\/span><strong><span>c\u00f4ne diamant 120\u00b0<\/span><\/strong><span>) et une charge majeure de 150kg.<\/span><\/p>\n<p><span>\u00a0<\/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>Acier rapide<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/high-speed-steel- hss\/\" 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>Duret\u00e9 de l&rsquo;acier rapide<\/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,\u00a0Duret\u00e9 de l&rsquo;acier rapide, 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 la duret\u00e9 de l&#039;acier rapide - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"La duret\u00e9 Rockwell de l&#039;acier rapide - AISI M2 d\u00e9pend du processus de traitement thermique, mais elle est d&#039;environ 65 HRC. 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