{"id":116303,"date":"2022-05-12T02:29:55","date_gmt":"2022-05-12T01:29:55","guid":{"rendered":"https:\/\/material-properties.org\/quelles-sont-les-proprietes-thermiques-des-aciers-inoxydables-definition\/"},"modified":"2022-05-20T09:22:38","modified_gmt":"2022-05-20T08:22:38","slug":"quelles-sont-les-proprietes-thermiques-des-aciers-inoxydables-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelles-sont-les-proprietes-thermiques-des-aciers-inoxydables-definition\/","title":{"rendered":"Quelles sont les propri\u00e9t\u00e9s thermiques des aciers inoxydables &#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\">Propri\u00e9t\u00e9s thermiques des aciers inoxydables.\u00a0La conductivit\u00e9 thermique des aciers inoxydables est d&rsquo;environ 20 W\/(mK). Le point de fusion des aciers inoxydables est d&rsquo;environ 1450 \u00b0C.<\/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><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/304L-austenitic-stainless-steel-figure-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29190\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/304L-austenitic-stainless-steel-figure-min-300x300.png\" alt=\"acier inoxydable 304\" width=\"300\" height=\"300\" \/><\/a><span>En m\u00e9tallurgie,\u00a0<\/span><strong><span>l&rsquo;acier inoxydable<\/span><\/strong><span> est un alliage d&rsquo;acier avec au moins 10,5 % de chrome avec ou sans autres \u00e9l\u00e9ments d&rsquo;alliage et un maximum de 1,2 % de carbone en masse.\u00a0Les aciers inoxydables, \u00e9galement appel\u00e9s aciers inox ou inox du fran\u00e7ais inoxydable (inoxydable), sont\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloy-steel\/\"><span>des alliages d&rsquo;acier<\/span><\/a><span>, qui sont tr\u00e8s connus pour leur r\u00e9sistance \u00e0 la\u00a0<\/span><strong><span>corrosion<\/span><\/strong><span>, qui augmente avec l&rsquo;augmentation de la teneur en chrome.\u00a0La r\u00e9sistance \u00e0 la corrosion peut \u00e9galement \u00eatre am\u00e9lior\u00e9e par des ajouts de nickel et de molybd\u00e8ne.\u00a0La r\u00e9sistance de ces alliages m\u00e9talliques aux effets chimiques des agents corrosifs repose sur la\u00a0<\/span><strong><span>passivation<\/span><\/strong><span>.\u00a0Pour que la passivation se produise et reste stable, l&rsquo;\u00a0<\/span><strong><span>alliage Fe-Cr<\/span><\/strong><span>\u00a0doit avoir une\u00a0<\/span><strong><span>teneur minimale en chrome d&rsquo;environ 10,5 % en poids<\/span><\/strong><span>, au-dessus duquel la passivit\u00e9 peut se produire et en-dessous duquel elle est impossible.\u00a0Le chrome peut \u00eatre utilis\u00e9 comme \u00e9l\u00e9ment de durcissement et est fr\u00e9quemment utilis\u00e9 avec un \u00e9l\u00e9ment de durcissement tel que le nickel pour produire des propri\u00e9t\u00e9s m\u00e9caniques sup\u00e9rieures.<\/span><\/p>\n<h2><span>Propri\u00e9t\u00e9s thermiques des aciers inoxydables<\/span><\/h2>\n<p><strong><span>Les propri\u00e9t\u00e9s thermiques<\/span><\/strong><span> des mat\u00e9riaux font r\u00e9f\u00e9rence \u00e0 la r\u00e9ponse des mat\u00e9riaux aux changements de leur <\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/<a href=\"https:\/\/modern-physics.org\/thermodynamics\/\">thermodynamics<\/a>\/thermodynamic-properties\/what-is-temperature-physics\/\u00a0\u00bb><span>temp\u00e9rature<\/span><span>\u00a0et \u00e0 l&rsquo;application de\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/heat-transfer\/introduction-to-heat-transfer\/heat-in-physics-definition-of-heat\/\"><span>chaleur<\/span><\/a><span>.\u00a0Lorsqu&rsquo;un solide absorbe de\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/<a href=\"https:\/\/modern-physics.org\/thermodynamics\/\">thermodynamics<\/a>\/what-is-energy-physics\/\u00a0\u00bb><span>l&rsquo;\u00e9nergie<\/span><span>\u00a0sous forme de chaleur, sa temp\u00e9rature augmente et ses dimensions augmentent.\u00a0Mais\u00a0<\/span><strong><span>diff\u00e9rents mat\u00e9riaux r\u00e9agissent diff\u00e9remment\u00a0<\/span><\/strong><strong><span>\u00e0<\/span><\/strong><span> l&rsquo;application de chaleur.<\/span><\/p>\n<p><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/thermal-properties-of-materials\/specific-heat-capacity-of-materials\/\"><span>La capacit\u00e9 calorifique<\/span><\/a><span>,\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/thermal-properties-of-materials\/coefficient-of-thermal-expansion-of-materials\/\"><span>la dilatation<\/span><\/a><span>\u00a0thermique et\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><span>la conductivit\u00e9 thermique<\/span><\/a><span>\u00a0sont des propri\u00e9t\u00e9s qui sont souvent critiques dans l&rsquo;utilisation pratique des solides.<\/span><\/p>\n<h3><span>Point de fusion des aciers inoxydables<\/span><\/h3>\n<p><span>Le point de fusion de\u00a0<\/span><strong><span>l&rsquo;acier inoxydable &#8211; l&rsquo;acier de type 304<\/span><\/strong><span> est d&rsquo;environ 1450 \u00b0C.<\/span><\/p>\n<p><span>Point de fusion de l&rsquo;acier inoxydable\u00a0<\/span><strong><span>ferritique\u00a0<\/span><\/strong><strong><span>&#8211; L&rsquo;acier de nuance 430<\/span><\/strong><span> est d&rsquo;environ 1450 \u00b0C.<\/span><\/p>\n<p><span>Point de fusion de l&rsquo;acier\u00a0<strong>inoxydable\u00a0<\/strong><\/span><strong><span>martensitique<\/span><\/strong><span> &#8211; L&rsquo; acier de nuance 440C est d&rsquo;environ 1450 \u00b0C.<\/span><\/p>\n<p><span>Le point de fusion des\u00a0<\/span><strong><span>aciers inoxydables duplex \u2013 l&rsquo;acier SAF 2205<\/span><\/strong><span> est d&rsquo;environ 1450 \u00b0C.<\/span><\/p>\n<p><span>Le point de fusion des\u00a0<\/span><strong><span>aciers \u00e0 durcissement par pr\u00e9cipitation &#8211; l&rsquo;<\/span><\/strong><span> acier inoxydable 17-4PH est d&rsquo;environ 1450 \u00b0C.<\/span><\/p>\n<p><span>En g\u00e9n\u00e9ral, la <\/span><strong><span>fusion<\/span><\/strong><span>\u00a0est un\u00a0<\/span><strong><span>changement de phase<\/span><\/strong><span> d&rsquo;une substance de la phase solide \u00e0 la phase liquide.\u00a0Le\u00a0<\/span><a href=\"https:\/\/material-properties.org\/melting-point-of-chemical-elements\/\"><strong><span>point de fusion<\/span><\/strong><\/a><span> d&rsquo;une substance est la temp\u00e9rature \u00e0 laquelle ce changement de phase se produit.\u00a0Le\u00a0<\/span><strong><span>point de fusion<\/span><\/strong><span>\u00a0d\u00e9finit \u00e9galement une condition dans laquelle le solide et le liquide peuvent exister en \u00e9quilibre.<\/span><\/p>\n<h3><span>Conductivit\u00e9 thermique des aciers inoxydables<\/span><\/h3>\n<p><span>La conductivit\u00e9 thermique de\u00a0<\/span><strong><span>l&rsquo;acier inoxydable \u2013 type 304<\/span><\/strong><span>\u00a0est de 20 W\/(mK).<\/span><\/p>\n<p><span>La conductivit\u00e9 thermique de l&rsquo;\u00a0<\/span><strong><span>acier inoxydable ferritique \u2013 Grade 430<\/span><\/strong><span>\u00a0est de 26 W\/(mK).<\/span><\/p>\n<p><span>La conductivit\u00e9 thermique de l&rsquo;\u00a0<\/span><strong><span>acier inoxydable martensitique \u2013 Grade 440C<\/span><\/strong><span>\u00a0est de 24 W\/(mK).<\/span><\/p>\n<p><span>La conductivit\u00e9 thermique des\u00a0<\/span><strong><span>aciers inoxydables duplex \u2013 SAF 2205<\/span><\/strong><span>\u00a0est de 19 W\/(mK).<\/span><\/p>\n<p><span>La conductivit\u00e9 thermique des aciers \u00e0 durcissement par pr\u00e9cipitation &#8211;\u00a0acier inoxydable\u00a0<\/span><strong><span>17-4PH est de 18 W\/(mK).<\/span><\/strong><\/p>\n<p><span>Les caract\u00e9ristiques de transfert de chaleur d&rsquo;un mat\u00e9riau solide sont mesur\u00e9es par une propri\u00e9t\u00e9 appel\u00e9e la <\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><strong><span>conductivit\u00e9 thermique<\/span><\/strong><\/a><span>, k (ou \u03bb), mesur\u00e9e en <\/span><strong><span>W\/mK<\/span><\/strong><span>.\u00a0C&rsquo;est une mesure de la capacit\u00e9 d&rsquo;une substance \u00e0 transf\u00e9rer de la chaleur \u00e0 travers un mat\u00e9riau par\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conduction-heat-conduction-definition\/\"><span>conduction<\/span><\/a><span>.\u00a0Notez que\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-fouriers-law-of-thermal-conduction-definition\/\"><strong><span>la loi de Fourier<\/span><\/strong><\/a><span> s&rsquo;applique \u00e0 toute mati\u00e8re, quel que soit son \u00e9tat (solide, liquide ou gaz), par cons\u00e9quent, elle est \u00e9galement d\u00e9finie pour les liquides et les gaz.<\/span><\/p>\n<p><span>La <\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><strong><span>conductivit\u00e9 thermique<\/span><\/strong><\/a><span> de la plupart des liquides et des solides varie avec la temp\u00e9rature.\u00a0Pour les vapeurs, cela d\u00e9pend aussi de la pression.\u00a0En g\u00e9n\u00e9ral:<\/span><\/p>\n<p><a href=\"https:\/\/www.nuclear-power.com\/wp-content\/uploads\/2017\/10\/thermal-conductivity-definition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-20041\" src=\"https:\/\/www.nuclear-power.com\/wp-content\/uploads\/2017\/10\/thermal-conductivity-definition.png\" alt=\"conductivit\u00e9 thermique - d\u00e9finition\" width=\"225\" height=\"75\" \/><\/a><\/p>\n<p><span>La plupart des mat\u00e9riaux sont presque homog\u00e8nes, nous pouvons donc g\u00e9n\u00e9ralement \u00e9crire <\/span><strong><span>k = k (T)<\/span><\/strong><span>.\u00a0Des d\u00e9finitions similaires sont associ\u00e9es aux conductivit\u00e9s thermiques dans les directions y et z (ky, kz), mais pour un mat\u00e9riau isotrope, la conductivit\u00e9 thermique est ind\u00e9pendante de la direction de transfert, kx = ky = kz = k.<\/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 inoxydable<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/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>[grille lgc_column =\u00a0\u00bb33&Prime; tablet_grid=\u00a0\u00bb33&Prime; mobile_grid=\u00a0\u00bb100&Prime; last=\u00a0\u00bbfalse\u00a0\u00bb][\/lgc_column]<\/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>Propri\u00e9t\u00e9s thermiques des aciers inoxydables<\/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>[grille lgc_column =\u00a0\u00bb33&Prime; tablet_grid=\u00a0\u00bb33&Prime; mobile_grid=\u00a0\u00bb100&Prime; last=\u00a0\u00bbfalse\u00a0\u00bb][\/lgc_column] Nous esp\u00e9rons que cet article,\u00a0Propri\u00e9t\u00e9s thermiques des aciers inoxydables, 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>Quelles sont les propri\u00e9t\u00e9s thermiques des aciers inoxydables - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Propri\u00e9t\u00e9s thermiques des aciers inoxydables. 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Le point de fusion des aciers inoxydables est d&#039;environ 1450\u00b0C.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/fr\/quelles-sont-les-proprietes-thermiques-des-aciers-inoxydables-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-12T01:29:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-05-20T08:22:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/304L-austenitic-stainless-steel-figure-min-300x300.png\" \/>\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\/quelles-sont-les-proprietes-thermiques-des-aciers-inoxydables-definition\/\",\"url\":\"https:\/\/material-properties.org\/fr\/quelles-sont-les-proprietes-thermiques-des-aciers-inoxydables-definition\/\",\"name\":\"Quelles sont les propri\u00e9t\u00e9s thermiques des aciers inoxydables - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#website\"},\"datePublished\":\"2022-05-12T01:29:55+00:00\",\"dateModified\":\"2022-05-20T08:22:38+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Propri\u00e9t\u00e9s thermiques des aciers inoxydables. 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