{"id":116103,"date":"2022-05-09T23:24:21","date_gmt":"2022-05-09T22:24:21","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-que-lalliage-de-titane-grade-23-ti-6al-4v-eli-definition\/"},"modified":"2022-05-16T09:26:58","modified_gmt":"2022-05-16T08:26:58","slug":"quest-ce-que-lalliage-de-titane-grade-23-ti-6al-4v-eli-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-que-lalliage-de-titane-grade-23-ti-6al-4v-eli-definition\/","title":{"rendered":"Qu&rsquo;est-ce que l&rsquo;alliage de titane grade 23 &#8211; Ti-6Al-4V-ELI &#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\">Ti-6Al-4V-ELI ou TAV-ELI est la version de puret\u00e9 sup\u00e9rieure de Ti-6Al-4V.\u00a0ELI signifie Extra Low Interstitiel.\u00a0La diff\u00e9rence essentielle entre Ti6Al4V ELI (Grade 23) et Ti6Al4V (Grade 5) est la r\u00e9duction de la teneur en oxyg\u00e8ne \u00e0 0,13 % (maximum) en grade 23.<\/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><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/titanium-grade-5-image-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29423\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/titanium-grade-5-image-min-300x300.png\" alt=\"Alliage de titane\" width=\"300\" height=\"300\" \/><\/a><span>Le titane<\/span><\/strong><span>\u00a0est un m\u00e9tal de transition brillant avec une couleur argent\u00e9e,\u00a0<\/span><strong><span>une faible densit\u00e9<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>une r\u00e9sistance \u00e9lev\u00e9e<\/span><\/strong><span>.\u00a0Le titane est\u00a0<\/span><strong><span>r\u00e9sistant \u00e0 la corrosion<\/span><\/strong><span>\u00a0dans l&rsquo;eau de mer, l&rsquo;eau r\u00e9gale et le chlore.\u00a0Dans les centrales \u00e9lectriques, le titane peut \u00eatre utilis\u00e9 dans\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/turbine-generator-power-conversion-system\/main-condenser-steam-condenser\/types-of-steam-condensers\/\"><span>les condenseurs de surface<\/span><\/a><span>.\u00a0Le titane pur est plus r\u00e9sistant que les aciers ordinaires \u00e0 faible teneur en carbone, mais 45 % plus l\u00e9ger.\u00a0Il est \u00e9galement deux fois plus r\u00e9sistant que\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/aluminium-alloys\/\"><span>les alliages d&rsquo;aluminium<\/span><\/a><span>\u00a0faibles, mais seulement 60 % plus lourd.\u00a0Les deux propri\u00e9t\u00e9s les plus utiles du m\u00e9tal sont\u00a0<\/span><strong><span>la r\u00e9sistance \u00e0 la corrosion<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>le rapport r\u00e9sistance\/densit\u00e9<\/span><\/strong><span>, le plus \u00e9lev\u00e9 de tous les \u00e9l\u00e9ments m\u00e9talliques.\u00a0La r\u00e9sistance \u00e0 la corrosion des alliages de titane \u00e0 des temp\u00e9ratures normales est exceptionnellement \u00e9lev\u00e9e.\u00a0La r\u00e9sistance \u00e0 la corrosion du titane repose sur la formation d&rsquo;une couche d&rsquo;oxyde stable et protectrice.\u00a0Bien que le titane \u00ab\u00a0commercialement pur\u00a0\u00bb ait des propri\u00e9t\u00e9s m\u00e9caniques acceptables et ait \u00e9t\u00e9 utilis\u00e9 pour les implants orthop\u00e9diques et dentaires, pour la plupart des applications, le titane est alli\u00e9 avec de petites quantit\u00e9s d&rsquo;aluminium et de vanadium, g\u00e9n\u00e9ralement 6% et 4% respectivement, en poids.\u00a0Ce m\u00e9lange a une solubilit\u00e9 solide qui varie consid\u00e9rablement avec la temp\u00e9rature, ce qui lui permet de subir un\u00a0<\/span><strong><span>renforcement par pr\u00e9cipitation<\/span><\/strong><span>.<\/span><\/p>\n<p><strong><span>Les alliages de titane<\/span><\/strong><span>\u00a0sont des m\u00e9taux qui contiennent un m\u00e9lange de titane et d&rsquo;autres \u00e9l\u00e9ments chimiques.\u00a0Ces alliages ont une r\u00e9sistance \u00e0 la traction et une t\u00e9nacit\u00e9 tr\u00e8s \u00e9lev\u00e9es (m\u00eame \u00e0 des temp\u00e9ratures extr\u00eames).\u00a0Ils sont l\u00e9gers, ont une r\u00e9sistance \u00e0 la\u00a0<\/span><strong><span>corrosion extraordinaire<\/span><\/strong><span>\u00a0et la capacit\u00e9 de r\u00e9sister \u00e0 des temp\u00e9ratures extr\u00eames.<\/span><\/p>\n<h2><span>Alliage Titane Alpha + B\u00eata<\/span><\/h2>\n<p><span>Le titane existe sous deux formes cristallographiques.\u00a0\u00c0 temp\u00e9rature ambiante, le titane non alli\u00e9 (commercialement pur) a une\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/crystal-structures\/hexagonal-close-packed-hcp-structure\/\"><strong><span>structure cristalline hexagonale compacte (hcp)<\/span><\/strong><\/a><span>\u00a0appel\u00e9e\u00a0<\/span><strong><span>phase alpha (\u03b1)<\/span><\/strong><span>.\u00a0Lorsque la temp\u00e9rature du titane pur atteint 885 \u00b0C (appel\u00e9e temp\u00e9rature \u03b2 transus du titane), la structure cristalline se transforme en une <\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/crystal-structures\/body-centered-cubic-bcc-structure\/\"><strong><span>structure bcc<\/span><\/strong><\/a><span>\u00a0connue sous le nom de\u00a0<\/span><strong><span>phase b\u00eata (\u03b2)<\/span><\/strong><span>.\u00a0Les \u00e9l\u00e9ments d&rsquo;alliage augmentent ou abaissent la temp\u00e9rature pour la transformation \u03b1 en \u03b2, de sorte que les \u00e9l\u00e9ments d&rsquo;alliage dans le titane sont class\u00e9s comme stabilisants \u03b1 ou stabilisants \u03b2.\u00a0Par exemple, le vanadium, le niobium et le molybd\u00e8ne diminuent la temp\u00e9rature de transformation \u03b1 en \u03b2 et favorisent la formation de la phase \u03b2.<\/span><\/p>\n<ul>\n<li><strong><span>Alliage Alpha + B\u00eata<\/span><\/strong><span>.\u00a0Les alliages alpha + b\u00eata ont des compositions qui supportent un m\u00e9lange de phases \u03b1 et \u03b2 et peuvent contenir entre 10 et 50 % de phase \u03b2 \u00e0 temp\u00e9rature ambiante.\u00a0L&rsquo;alliage \u03b1 + \u03b2 le plus courant est le Ti-6Al-4V.\u00a0La r\u00e9sistance de ces alliages peut \u00eatre am\u00e9lior\u00e9e et contr\u00f4l\u00e9e par un traitement thermique.\u00a0Les exemples incluent: Ti-6Al-4V, Ti-6Al-4V-ELI, Ti-6Al-6V-2Sn, Ti-6Al-7Nb.<\/span><\/li>\n<\/ul>\n<h2><span>Alliage de Titane Grade 23 &#8211; Ti-6Al-4V-ELI<\/span><\/h2>\n<p><span>Ti-6Al-4V-ELI ou TAV-ELI est la version de puret\u00e9 sup\u00e9rieure de Ti-6Al-4V.\u00a0ELI signifie Extra Low Interstitiel.\u00a0La diff\u00e9rence essentielle entre Ti6Al4V ELI (Grade 23) et Ti6Al4V (Grade 5) est la r\u00e9duction de la teneur en oxyg\u00e8ne \u00e0 0,13 % (maximum) dans le Grade 23. La r\u00e9duction des \u00e9l\u00e9ments interstitiels oxyg\u00e8ne et fer am\u00e9liore la ductilit\u00e9 et la r\u00e9sistance \u00e0 la rupture avec une certaine r\u00e9duction de la r\u00e9sistance. C&rsquo;est le premier choix pour tout type de situation o\u00f9 une combinaison de haute r\u00e9sistance, l\u00e9g\u00e8ret\u00e9, bonne r\u00e9sistance \u00e0 la corrosion et haute t\u00e9nacit\u00e9 est requise.\u00a0Cette qualit\u00e9 de titane, qualit\u00e9 m\u00e9dicale du titane, est utilis\u00e9e dans\u00a0<\/span><strong><span>des applications biom\u00e9dicales<\/span><\/strong><span>\u00a0telles que les composants implantables en raison de sa biocompatibilit\u00e9, de sa bonne r\u00e9sistance \u00e0 la fatigue et de son faible module.<\/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>Alliages de titane \u00a0\u00bb style=\u00a0\u00bbplat\u00a0\u00bb background=\u00a0\u00bb#ffffff\u00a0\u00bb color=\u00a0\u00bb#606060&Prime; size=\u00a0\u00bb5&Prime; radius=\u00a0\u00bb10&Prime; icon=\u00a0\u00bbic\u00f4ne\u00a0: lien\u00a0\u00bb icon_color=\u00a0\u00bb#5d5d5d\u00a0\u00bb text_shadow=\u00a0\u00bb0px 0px 0px #000000&Prime; ][\/su_button]<\/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>Alliage de titane grade 23 &#8211; Ti-6Al-4V-ELI<\/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<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous esp\u00e9rons que cet article,\u00a0Alliage de titane grade 23 &#8211; Ti-6Al-4V-ELI, 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. &nbsp;<\/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 l&#039;alliage de titane grade 23 - Ti-6Al-4V-ELI - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Ti-6Al-4V-ELI ou TAV-ELI est la version de puret\u00e9 sup\u00e9rieure de Ti-6Al-4V. 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