{"id":116266,"date":"2022-05-11T13:33:57","date_gmt":"2022-05-11T12:33:57","guid":{"rendered":"https:\/\/material-properties.org\/quelles-sont-les-utilisations-des-superalliages-inconel-application-definition\/"},"modified":"2022-05-18T07:57:17","modified_gmt":"2022-05-18T06:57:17","slug":"quelles-sont-les-utilisations-des-superalliages-inconel-application-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelles-sont-les-utilisations-des-superalliages-inconel-application-definition\/","title":{"rendered":"Quelles sont les utilisations des superalliages &#8211; Inconel &#8211; Application &#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\">L&rsquo;application la plus courante des superalliages concerne les composants de turbines d&rsquo;avions, qui doivent r\u00e9sister \u00e0 une exposition \u00e0 des environnements fortement oxydants et \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es pendant des p\u00e9riodes de temps raisonnables.<\/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\/superalloys-inconel-turbine-blade.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29330\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/superalloys-inconel-turbine-blade-169x300.png\" alt=\"superalliages - inconel - aube de turbine\" width=\"169\" height=\"300\" \/><\/a><span>Les superalliages<\/span><\/strong><span>, ou\u00a0<\/span><strong><span>alliages hautes performances<\/span><\/strong><span>, sont des alliages non ferreux qui pr\u00e9sentent une\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/strength-of-steels\/\"><span>r\u00e9sistance<\/span><\/a><span>\u00a0et une stabilit\u00e9 de surface exceptionnelles\u00a0<\/span><strong><span>\u00e0 haute temp\u00e9rature<\/span><\/strong><span>.\u00a0Leur capacit\u00e9 \u00e0 fonctionner en toute s\u00e9curit\u00e9 \u00e0 une fraction \u00e9lev\u00e9e de leur point de fusion (jusqu&rsquo;\u00e0 85 % de leurs points de fusion (T<\/span><sub><span>m<\/span><\/sub><span>) exprim\u00e9s en degr\u00e9s Kelvin, 0,85) est leur principale caract\u00e9ristique.\u00a0<\/span><strong><span>Les superalliages<\/span><\/strong><span> sont g\u00e9n\u00e9ralement utilis\u00e9s \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 540 \u00b0C (1000 \u00b0F), car \u00e0 ces temp\u00e9ratures, les alliages d&rsquo;acier et de titane ordinaires perdent leurs forces, la corrosion est \u00e9galement courante dans les aciers \u00e0 cette temp\u00e9rature. A haute temp\u00e9rature, les superalliages conservent leur r\u00e9sistance m\u00e9canique, leur r\u00e9sistance au\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/creep-material-creep\/\"><strong><span>fluage thermique<\/span><\/strong><\/a> <span>d\u00e9formation, stabilit\u00e9 de surface et r\u00e9sistance \u00e0 la corrosion ou \u00e0 l&rsquo;oxydation.\u00a0Certains superalliages \u00e0 base de nickel peuvent r\u00e9sister \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 1200 \u00b0C, selon la composition de l&rsquo;alliage. Les superalliages sont souvent coul\u00e9s sous forme de monocristal, tandis que les joints de grains peuvent fournir de la r\u00e9sistance, ils diminuent la r\u00e9sistance au fluage.<\/span><\/p>\n<p><span>Ils ont \u00e9t\u00e9 initialement d\u00e9velopp\u00e9s pour \u00eatre utilis\u00e9s dans les turbocompresseurs de moteurs \u00e0 pistons d&rsquo;avions.\u00a0Aujourd&rsquo;hui, l&rsquo;application la plus courante concerne\u00a0<\/span><strong><span>les composants de turbines d&rsquo;avions<\/span><\/strong><span>, qui doivent r\u00e9sister \u00e0 une exposition \u00e0 des environnements fortement oxydants et \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es pendant des p\u00e9riodes de temps raisonnables.\u00a0Les applications actuelles incluent:<\/span><\/p>\n<ul>\n<li><strong><span>Turbines \u00e0 gaz pour avions<\/span><\/strong><\/li>\n<li><strong><span>Centrales \u00e9lectriques \u00e0 turbine \u00e0 vapeur<\/span><\/strong><\/li>\n<li><strong><span>Applications m\u00e9dicales<\/span><\/strong><\/li>\n<li><strong><span>V\u00e9hicules spatiaux et moteurs de fus\u00e9e<\/span><\/strong><\/li>\n<li><strong><span>\u00c9quipement de traitement thermique<\/span><\/strong><\/li>\n<li><strong><span>Centrales nucl\u00e9aires<\/span><\/strong><\/li>\n<\/ul>\n<p><strong><span>Le nickel<\/span><\/strong><span>\u00a0est l&rsquo;\u00e9l\u00e9ment de base des superalliages, qui sont un groupe d&rsquo;alliages de nickel, de fer-nickel et de cobalt utilis\u00e9s dans les moteurs \u00e0 r\u00e9action.\u00a0Ces m\u00e9taux ont une excellente r\u00e9sistance \u00e0 la d\u00e9formation par fluage thermique et conservent leur rigidit\u00e9, leur r\u00e9sistance, leur t\u00e9nacit\u00e9 et leur stabilit\u00e9 dimensionnelle \u00e0 des temp\u00e9ratures beaucoup plus \u00e9lev\u00e9es que les autres mat\u00e9riaux de structure a\u00e9rospatiaux.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Superalloy-Inconel-718-composition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-29153\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Superalloy-Inconel-718-composition.png\" alt=\"Inconel 718\" width=\"680\" height=\"91\" \/><\/a><\/p>\n<h2><span>Inconel 718 \u2013 Superalliage \u00e0 base de nickel<\/span><\/h2>\n<p><span>De mani\u00e8re g\u00e9n\u00e9rale,\u00a0<\/span><strong><span>Inconel<\/span><\/strong><span>\u00a0est une marque d\u00e9pos\u00e9e de Special Metals pour une famille de superalliages aust\u00e9nitiques \u00e0 base de nickel-chrome.\u00a0<\/span><strong><span>L&rsquo;Inconel 718<\/span><\/strong><span>\u00a0est un\u00a0<\/span><strong><span>superalliage \u00e0 base de nickel<\/span><\/strong><span>\u00a0qui poss\u00e8de des propri\u00e9t\u00e9s de haute r\u00e9sistance et une r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es.\u00a0Il d\u00e9montre \u00e9galement une protection remarquable contre la corrosion et l&rsquo;oxydation.\u00a0La r\u00e9sistance \u00e0 haute temp\u00e9rature de l&rsquo;Inconel est d\u00e9velopp\u00e9e par un renforcement en solution solide ou un durcissement par pr\u00e9cipitation, selon l&rsquo;alliage.\u00a0L&rsquo;Inconel 718 est compos\u00e9 de 55 % de nickel, 21 % de chrome, 6 % de fer et de petites quantit\u00e9s de mangan\u00e8se, de carbone et de cuivre.<\/span><\/p>\n<p><span>Les utilisations courantes des superalliages sont dans l&rsquo;a\u00e9rospatiale et certaines autres industries de haute technologie.\u00a0Avec la combinaison de la r\u00e9sistance \u00e0 la corrosion et de la r\u00e9sistance du mat\u00e9riau face \u00e0 une chaleur extr\u00eame, ce type de superalliage fonctionne bien dans l&rsquo;industrie nucl\u00e9aire.\u00a0Certaines centrales nucl\u00e9aires utilisent des superalliages \u00e0 base de nickel pour le c\u0153ur du r\u00e9acteur, la barre de commande et les pi\u00e8ces similaires. Dans l&rsquo;industrie nucl\u00e9aire, on utilise en particulier des superalliages \u00e0 faible teneur en cobalt (en raison de l&rsquo;activation possible du cobalt-59).\u00a0Certaines des parties structurelles des\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/fuel-assembly\/\"><span>assemblages combustibles nucl\u00e9aires<\/span><\/a><span>, telles que les tubulures sup\u00e9rieure et inf\u00e9rieure, peuvent \u00eatre r\u00e9alis\u00e9es \u00e0 partir de superalliages tels que l&rsquo;Inconel.\u00a0Les grilles d&rsquo;espacement sont g\u00e9n\u00e9ralement constitu\u00e9es d&rsquo;un mat\u00e9riau r\u00e9sistant \u00e0 la corrosion et \u00e0 faible section d&rsquo;absorption des\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/thermal-neutron\/\"><span>neutrons thermiques<\/span><\/a><span>, g\u00e9n\u00e9ralement en\u00a0<\/span><strong><span>alliage de zirconium<\/span><\/strong><span> (~ 0,18 \u00d7 10<\/span><sup><span>\u201324 <\/span><\/sup><span>cm<sup>2<\/sup>)\u00a0<\/span><sup><span>.\u00a0<\/span><\/sup><span>La premi\u00e8re et la derni\u00e8re grille d&rsquo;espacement peuvent \u00e9galement \u00eatre r\u00e9alis\u00e9es en Inconel \u00e0 faible teneur en cobalt, qui est un superalliage bien adapt\u00e9 au service dans des environnements extr\u00eames soumis \u00e0 la pression et \u00e0 la chaleur.<\/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>Superalliages<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/superalloys\/\" 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>Utilisations des superalliages &#8211; Inconel &#8211; Application<\/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,\u00a0Utilisations des superalliages &#8211; Inconel &#8211; Application, 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 - 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