{"id":116867,"date":"2022-05-25T03:01:34","date_gmt":"2022-05-25T02:01:34","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-quun-defaut-global-defaut-de-volume-definition\/"},"modified":"2022-05-26T07:31:22","modified_gmt":"2022-05-26T06:31:22","slug":"quest-ce-quun-defaut-global-defaut-de-volume-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-quun-defaut-global-defaut-de-volume-definition\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;un d\u00e9faut global &#8211; D\u00e9faut de volume &#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 d\u00e9fauts macroscopiques tridimensionnels sont appel\u00e9s d\u00e9fauts massifs.\u00a0Ces d\u00e9fauts macroscopiques sont g\u00e9n\u00e9ralement introduits dans un mat\u00e9riau lors du raffinement \u00e0 partir de son \u00e9tat brut ou lors des processus de fabrication.<\/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><span>Les d\u00e9fauts macroscopiques tridimensionnels sont appel\u00e9s\u00a0<\/span><strong><span>d\u00e9fauts massifs<\/span><\/strong><span>.\u00a0Ils se produisent g\u00e9n\u00e9ralement \u00e0 une \u00e9chelle beaucoup plus grande que les d\u00e9fauts microscopiques.\u00a0Ces d\u00e9fauts macroscopiques sont g\u00e9n\u00e9ralement introduits dans un mat\u00e9riau lors de l&rsquo;affinage \u00e0 partir de son \u00e9tat brut ou lors des processus de fabrication.\u00a0Ceux-ci incluent les\u00a0<\/span><strong><span>fissures, les pores, les inclusions \u00e9trang\u00e8res<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>d&rsquo;autres phases<\/span><\/strong><span>.\u00a0Le travail et le forgeage des m\u00e9taux peuvent provoquer des fissures qui agissent comme des concentrateurs de contraintes et fragilisent le mat\u00e9riau.\u00a0Tout d\u00e9faut de soudure ou d&rsquo;assemblage peut \u00e9galement \u00eatre class\u00e9 comme d\u00e9faut global.<\/span><\/p>\n<ul>\n<li><span>D\u00e9fauts tridimensionnels macroscopiques ou massifs, tels que pores, fissures ou inclusions.<\/span><\/li>\n<li><span>Vides &#8211; petites r\u00e9gions o\u00f9 il n&rsquo;y a pas d&rsquo;atomes et qui peuvent \u00eatre consid\u00e9r\u00e9es comme des grappes de lacunes.<\/span><\/li>\n<li><span>Les impuret\u00e9s peuvent se regrouper pour former de petites r\u00e9gions d&rsquo;une phase diff\u00e9rente.\u00a0Ceux-ci sont souvent appel\u00e9s pr\u00e9cipit\u00e9s.<\/span><\/li>\n<\/ul>\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>References :<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\u00a0<\/div><\/div><\/div><\/span><strong><span>Science des mat\u00e9riaux:<\/span><\/strong><\/p>\n<ol>\n<li><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/li>\n<li><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 2 et 2. Janvier 1993.<\/span><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><span>JR Lamarsh, AJ Baratta, Introduction au g\u00e9nie nucl\u00e9aire, 3e \u00e9d., Prentice-Hall, 2001, ISBN : 0-201-82498-1.<\/span><\/li>\n<\/ol>\n<p><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<h2><span>Voir au dessus:<\/span><\/h2>\n<p><span>D\u00e9fauts cristallographiques<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/crystallographic-defects\/\" 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:6px 16px;font-size:13px;line-height:20px;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=\"ic\u00f4ne : lien\" alt=\"\" style=\"width:20px;height:20px\" \/> <\/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, <strong>D\u00e9fauts group\u00e9s &#8211; D\u00e9fauts volumiques<\/strong><\/span><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, D\u00e9fauts group\u00e9s &#8211; D\u00e9fauts volumiques, 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 qu&#039;un d\u00e9faut global - D\u00e9faut de volume - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Les d\u00e9fauts macroscopiques tridimensionnels sont appel\u00e9s d\u00e9fauts massifs. 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