{"id":116277,"date":"2022-05-11T20:01:28","date_gmt":"2022-05-11T19:01:28","guid":{"rendered":"https:\/\/material-properties.org\/quelle-est-la-composition-de-lacier-inoxydable-ph-definition\/"},"modified":"2022-05-20T07:01:08","modified_gmt":"2022-05-20T06:01:08","slug":"quelle-est-la-composition-de-lacier-inoxydable-ph-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelle-est-la-composition-de-lacier-inoxydable-ph-definition\/","title":{"rendered":"Quelle est la composition de l&rsquo;acier inoxydable PH &#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\">Les aciers inoxydables PH (durcissement par pr\u00e9cipitation) contiennent environ 17 % de chrome et 4 % de nickel.\u00a0Ces aciers peuvent d\u00e9velopper une r\u00e9sistance tr\u00e8s \u00e9lev\u00e9e gr\u00e2ce \u00e0 des ajouts d&rsquo;aluminium, de titane, de niobium, de vanadium et\/ou d&rsquo;azote.\u00a0Composition de l&rsquo;acier inoxydable PH<\/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\/precipitation-hardening-stainless-steel-figure-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29191\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/precipitation-hardening-stainless-steel-figure-min-300x300.png\" alt=\"Aciers inoxydables PH\" width=\"300\" height=\"300\" \/><\/a><span>Les aciers inoxydables PH<\/span><\/strong><span>\u00a0(durcissement par pr\u00e9cipitation) contiennent environ 17 % de chrome et 4 % de nickel.\u00a0Ces aciers peuvent d\u00e9velopper\u00a0<\/span><strong><span>une r\u00e9sistance tr\u00e8s \u00e9lev\u00e9e<\/span><\/strong><span>\u00a0gr\u00e2ce \u00e0 des ajouts d&rsquo;aluminium, de titane, de niobium, de vanadium et\/ou d&rsquo;azote, qui forment des pr\u00e9cipit\u00e9s interm\u00e9talliques coh\u00e9rents au cours d&rsquo;un processus de traitement thermique appel\u00e9 vieillissement thermique.\u00a0Au fur et \u00e0 mesure que les pr\u00e9cipit\u00e9s coh\u00e9rents se forment dans toute la microstructure, ils tendent le r\u00e9seau cristallin et emp\u00eachent le mouvement des dislocations ou des d\u00e9fauts dans le r\u00e9seau d&rsquo;un cristal.\u00a0Comme les dislocations sont souvent les principaux vecteurs de plasticit\u00e9, cela sert \u00e0 durcir le mat\u00e9riau.\u00a0Les aciers inoxydables \u00e0 durcissement par pr\u00e9cipitation ont une\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-toughness-definition\/\"><span>t\u00e9nacit\u00e9<\/span><\/a><span>\u00a0et une\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/strength-of-metal-alloys\/\"><span>r\u00e9sistance \u00e9lev\u00e9es<\/span><\/a><span>, et r\u00e9sistance \u00e0 la corrosion.\u00a0Les aciers inoxydables \u00e0 durcissement par pr\u00e9cipitation sont de plus en plus utilis\u00e9s pour une vari\u00e9t\u00e9 d&rsquo;applications dans la construction navale, les avions et les turbines \u00e0 gaz, les industries chimiques et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/\"><span>les centrales nucl\u00e9aires<\/span><\/a><span>.<\/span><\/p>\n<h2><span>Acier inoxydable 17-4PH<\/span><\/h2>\n<p><span>Par exemple, l&rsquo;acier inoxydable tremp\u00e9 par pr\u00e9cipitation\u00a0<\/span><strong><span>17-4 PH<\/span><\/strong><span>\u00a0(AISI 630) a une microstructure initiale d&rsquo;aust\u00e9nite ou de martensite.\u00a0Les nuances aust\u00e9nitiques sont converties en nuances martensitiques par traitement thermique (par exemple par un traitement thermique \u00e0 environ 1040 \u00b0C suivi d&rsquo;une trempe) avant que le durcissement par pr\u00e9cipitation puisse \u00eatre effectu\u00e9.\u00a0Un traitement de vieillissement ult\u00e9rieur \u00e0 environ 475 \u00b0C pr\u00e9cipite les phases riches en\u00a0<\/span><strong><span>Nb<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>Cu <\/span><\/strong><span>qui augmentent la r\u00e9sistance jusqu&rsquo;\u00e0 une limite d&rsquo;\u00e9lasticit\u00e9 sup\u00e9rieure \u00e0 1000 MPa.\u00a0Dans tous les traitements thermiques effectu\u00e9s, la microstructure pr\u00e9dominante est la martensite \u00e0 lattes.\u00a0Contrairement aux alliages aust\u00e9nitiques, cependant, le traitement thermique renforce les aciers PH \u00e0 des niveaux plus \u00e9lev\u00e9s que les alliages martensitiques.\u00a0Les aciers inoxydables \u00e0 durcissement par pr\u00e9cipitation sont d\u00e9sign\u00e9s par la s\u00e9rie AISI 600.\u00a0De toutes les nuances d&rsquo;acier inoxydable disponibles, ils offrent g\u00e9n\u00e9ralement la meilleure combinaison de haute r\u00e9sistance associ\u00e9e \u00e0 une excellente t\u00e9nacit\u00e9 et r\u00e9sistance \u00e0 la corrosion.\u00a0Ils sont aussi r\u00e9sistants \u00e0 la corrosion que les nuances aust\u00e9nitiques.\u00a0Les utilisations courantes sont dans l&rsquo;a\u00e9rospatiale et certaines autres industries de haute technologie.<\/span><\/p>\n<p><span>Dans l&rsquo;industrie nucl\u00e9aire, l&rsquo;acier 17-4PH peut \u00eatre utilis\u00e9 dans les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/control-rods\/\"><span>barres<\/span><\/a><span>\u00a0de commande .\u00a0Les barres de commande constituent g\u00e9n\u00e9ralement des\u00a0<\/span><strong><span>ensembles de barres de commande en grappe<\/span><\/strong><span>\u00a0(\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/pwr-pressurized-water-reactor\/\"><span>REP<\/span><\/a><span>) et sont ins\u00e9r\u00e9es dans des tubes de guidage \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/\"><span>assemblage de combustible nucl\u00e9aire<\/span><\/a><span>.\u00a0Le mat\u00e9riau absorbant (par exemple des pastilles de carbure de bore) est prot\u00e9g\u00e9 par le rev\u00eatement g\u00e9n\u00e9ralement en acier inoxydable.\u00a0L&rsquo;\u00e9l\u00e9ment de commande comporte certains composants qui doivent avoir une r\u00e9sistance \u00e9lev\u00e9e aux chocs lorsque la fonction de s\u00e9curit\u00e9 est activ\u00e9e, de sorte que le mat\u00e9riau de ce composant doit avoir une r\u00e9sistance m\u00e9canique et une t\u00e9nacit\u00e9 \u00e9lev\u00e9es.\u00a0L&rsquo;un des mat\u00e9riaux qui peut \u00eatre sp\u00e9cifi\u00e9 pour cette application est\u00a0<\/span><strong><span>l&rsquo;acier inoxydable PH 17-4PH<\/span><\/strong><span>\u00a0(UNS 17400).<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/PH-stainless-steel-17-4PH-composition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-29158\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/PH-stainless-steel-17-4PH-composition.png\" alt=\"Acier inoxydable tremp\u00e9 par pr\u00e9cipitation\" width=\"649\" height=\"86\" \/><\/a><\/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 inoxydable PH<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/stainless-steel\/ph-stainless-steel\/\" 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>Composition de l&rsquo;acier inoxydable PH<\/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,\u00a0Composition de l&rsquo;acier inoxydable PH, 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>Quelle est la composition de l&#039;acier inoxydable PH - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Les aciers inoxydables PH (durcissement par pr\u00e9cipitation) contiennent environ 17 % de chrome et 4 % de nickel. Ces aciers peuvent d\u00e9velopper une r\u00e9sistance tr\u00e8s \u00e9lev\u00e9e gr\u00e2ce \u00e0 des ajouts d&#039;aluminium, de titane, de niobium, de vanadium et\/ou d&#039;azote. Composition de l&#039;Inox PH\" \/>\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\/quelle-est-la-composition-de-lacier-inoxydable-ph-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quelle est la composition de l&#039;acier inoxydable PH - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles\" \/>\n<meta property=\"og:description\" content=\"Les aciers inoxydables PH (durcissement par pr\u00e9cipitation) contiennent environ 17 % de chrome et 4 % de nickel. 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Composition de l'Inox PH","og_url":"https:\/\/material-properties.org\/fr\/quelle-est-la-composition-de-lacier-inoxydable-ph-definition\/","og_site_name":"Material Properties","article_published_time":"2022-05-11T19:01:28+00:00","article_modified_time":"2022-05-20T06:01:08+00:00","og_image":[{"url":"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/precipitation-hardening-stainless-steel-figure-min-300x300.png"}],"author":"Nick Connor","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Nick Connor","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/material-properties.org\/fr\/quelle-est-la-composition-de-lacier-inoxydable-ph-definition\/","url":"https:\/\/material-properties.org\/fr\/quelle-est-la-composition-de-lacier-inoxydable-ph-definition\/","name":"Quelle est la composition de l'acier inoxydable PH - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles","isPartOf":{"@id":"https:\/\/material-properties.org\/fr\/#website"},"datePublished":"2022-05-11T19:01:28+00:00","dateModified":"2022-05-20T06:01:08+00:00","author":{"@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb"},"description":"Les aciers inoxydables PH (durcissement par pr\u00e9cipitation) contiennent environ 17 % de chrome et 4 % de nickel. Ces aciers peuvent d\u00e9velopper une r\u00e9sistance tr\u00e8s \u00e9lev\u00e9e gr\u00e2ce \u00e0 des ajouts d'aluminium, de titane, de niobium, de vanadium et\/ou d'azote. 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