{"id":116916,"date":"2022-05-25T07:30:32","date_gmt":"2022-05-25T06:30:32","guid":{"rendered":"https:\/\/material-properties.org\/que-sont-les-joints-de-grain-taille-de-grain-definition\/"},"modified":"2022-05-26T09:43:27","modified_gmt":"2022-05-26T08:43:27","slug":"que-sont-les-joints-de-grain-taille-de-grain-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/","title":{"rendered":"Que sont les joints de grain &#8211; Taille de grain &#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\">Le joint de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d&rsquo;un grain qui le s\u00e9pare des autres grains.\u00a0Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.<\/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<figure id=\"attachment_27618\" aria-describedby=\"caption-attachment-27618\" style=\"width: 457px\" class=\"wp-caption alignright\"><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Grains-Grain-Boundaries.png\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-27618\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Grains-Grain-Boundaries.png\" alt=\"Grains - Limites de grains\" width=\"467\" height=\"249\" \/><\/a><figcaption id=\"caption-attachment-27618\" class=\"wp-caption-text\"><span>Grains et limites Source: D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, Science des mat\u00e9riaux. DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/figcaption><\/figure>\n<p><span>Tous les solides ne sont pas des monocristaux (par exemple, les semi-\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-detection\/semiconductor-detectors\/silicon-based-semiconductor-detectors\/\"><span>conducteurs de silicium<\/span><\/a><span>).\u00a0La plupart des solides cristallins sont compos\u00e9s d&rsquo;un ensemble de nombreux petits cristaux ou grains de taille et d&rsquo;orientation variables.\u00a0Ceux-ci ont des\u00a0<strong>orientations cristallographiques\u00a0<\/strong><\/span><strong><span>al\u00e9atoires<\/span><\/strong><span>.\u00a0Lorsqu&rsquo;un m\u00e9tal commence par cristalliser, le changement de phase commence par de petits cristaux qui se d\u00e9veloppent jusqu&rsquo;\u00e0 fusionner, formant une\u00a0<strong>structure polycristalline<\/strong>.\u00a0Dans le bloc final de mat\u00e9riau solide, chacun des petits cristaux (appel\u00e9s \u00ab\u00a0<strong>grains<\/strong>\u00ab\u00a0) est un vrai cristal avec un arrangement p\u00e9riodique d&rsquo;atomes, mais l&rsquo;ensemble du polycristal n&rsquo;a pas d&rsquo;arrangement p\u00e9riodique d&rsquo;atomes, car le motif p\u00e9riodique est rompu \u00e0 les joints de\u00a0<strong>grains<\/strong><\/span><span>.\u00a0Les grains et les joints de grains aident \u00e0 d\u00e9terminer les propri\u00e9t\u00e9s d&rsquo;un mat\u00e9riau.<\/span><\/p>\n<ul>\n<li><strong><span>Les grains<\/span><\/strong><span>, aussi appel\u00e9s cristallites, sont des cristaux petits voire microscopiques qui se forment par exemple lors du refroidissement de nombreux mat\u00e9riaux (cristallisation).\u00a0Une caract\u00e9ristique tr\u00e8s importante d&rsquo;un m\u00e9tal est la taille moyenne du grain.\u00a0La taille du grain d\u00e9termine les propri\u00e9t\u00e9s du m\u00e9tal.\u00a0Par exemple, une taille de grain plus petite augmente la r\u00e9sistance \u00e0 la traction et tend \u00e0 augmenter la ductilit\u00e9.\u00a0Une taille de grain plus grande est pr\u00e9f\u00e9r\u00e9e pour am\u00e9liorer les propri\u00e9t\u00e9s de fluage \u00e0 haute temp\u00e9rature.\u00a0Le fluage est la d\u00e9formation permanente qui augmente avec le temps sous une charge ou une contrainte constante.\u00a0Le fluage devient progressivement plus facile avec l&rsquo;augmentation de la temp\u00e9rature.<\/span><\/li>\n<li><strong><span>Limites de grains<\/span><\/strong><span>.\u00a0La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d&rsquo;un grain qui le s\u00e9pare des autres grains.\u00a0Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.\u00a0Les joints de grains sont des d\u00e9fauts 2D dans la structure cristalline et ont tendance \u00e0 diminuer la conductivit\u00e9 \u00e9lectrique et thermique du mat\u00e9riau.\u00a0La plupart des joints de grains sont des sites privil\u00e9gi\u00e9s pour l&rsquo;apparition de la corrosion et pour la pr\u00e9cipitation de nouvelles phases \u00e0 partir du solide.\u00a0Ils sont \u00e9galement importants pour de nombreux m\u00e9canismes de fluage.\u00a0D&rsquo;autre part, les joints de grains\u00a0<\/span><strong><span>perturbent le mouvement des dislocations <\/span><\/strong><span>\u00e0 travers un mat\u00e9riau.\u00a0La propagation des dislocations est entrav\u00e9e en raison du champ de contraintes de la r\u00e9gion du d\u00e9faut aux joints de grains et du manque de plans et de directions de glissement et d&rsquo;alignement global \u00e0 travers les joints.\u00a0Par cons\u00e9quent, la r\u00e9duction de la taille des cristallites est un moyen courant d&rsquo;am\u00e9liorer la r\u00e9sistance m\u00e9canique, car les grains plus petits cr\u00e9ent plus d&rsquo;obstacles par unit\u00e9 de surface du plan de glissement.<\/span><\/li>\n<\/ul>\n<h3><span>Orientation des grains<\/span><\/h3>\n<figure id=\"attachment_27685\" aria-describedby=\"caption-attachment-27685\" style=\"width: 487px\" class=\"wp-caption alignright\"><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/grain-orientation-figure.png\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-27685\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/grain-orientation-figure.png\" alt=\"Orientation des grains\" width=\"497\" height=\"180\" \/><\/a><figcaption id=\"caption-attachment-27685\" class=\"wp-caption-text\"><span>Orientation du grain (A) Al\u00e9atoire (B) Pr\u00e9f\u00e9r\u00e9e Source: US Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/figcaption><\/figure>\n<p><span>L&rsquo;\u00a0<\/span><strong><span>orientation des cristallites<\/span><\/strong><span>\u00a0peut \u00eatre al\u00e9atoire sans direction pr\u00e9f\u00e9r\u00e9e, appel\u00e9e texture al\u00e9atoire, ou pr\u00e9f\u00e9r\u00e9e, \u00e9ventuellement en raison des conditions de croissance et de traitement.\u00a0<\/span><strong><span>Une orientation al\u00e9atoire<\/span><\/strong><span>\u00a0peut \u00eatre obtenue par laminage crois\u00e9 du mat\u00e9riau.\u00a0Si un tel \u00e9chantillon \u00e9tait suffisamment lamin\u00e9 dans une direction, il pourrait d\u00e9velopper une structure \u00e0 grains orient\u00e9s dans la direction de laminage.\u00a0C&rsquo;est ce qu&rsquo;on appelle\u00a0<\/span><strong><span>l&rsquo;orientation pr\u00e9f\u00e9r\u00e9e<\/span><\/strong><span>.\u00a0Dans de nombreux cas, l&rsquo;orientation pr\u00e9f\u00e9r\u00e9e est tr\u00e8s souhaitable, mais dans d&rsquo;autres cas, elle peut \u00eatre tr\u00e8s nocive.\u00a0Par exemple, l&rsquo;orientation pr\u00e9f\u00e9r\u00e9e des \u00e9l\u00e9ments combustibles \u00e0 l&rsquo;uranium peut entra\u00eener des changements catastrophiques de dimensions pendant l&rsquo;utilisation dans un r\u00e9acteur nucl\u00e9aire.<\/span><\/p>\n<p><span>R\u00e9f\u00e9rence sp\u00e9ciale: US Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/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>References :<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\u00a0<\/div><\/div><\/div><\/span><strong><span>Science des mat\u00e9riaux\u00a0:<\/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>Gonzalez-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>Structure cristalline<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/crystal-structures\/\" 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>Limites de grain &#8211; Taille de grain<\/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","protected":false},"excerpt":{"rendered":"<p>Nous esp\u00e9rons que cet article, Limites de grain &#8211; Taille de grain, 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>Que sont les joints de grain - Taille de grain - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d&#039;un grain qui le s\u00e9pare des autres grains. Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.\" \/>\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\/que-sont-les-joints-de-grain-taille-de-grain-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Que sont les joints de grain - Taille de grain - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles\" \/>\n<meta property=\"og:description\" content=\"La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d&#039;un grain qui le s\u00e9pare des autres grains. Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-25T06:30:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-05-26T08:43:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Grains-Grain-Boundaries.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\/que-sont-les-joints-de-grain-taille-de-grain-definition\/\",\"url\":\"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/\",\"name\":\"Que sont les joints de grain - Taille de grain - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#website\"},\"datePublished\":\"2022-05-25T06:30:32+00:00\",\"dateModified\":\"2022-05-26T08:43:27+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d'un grain qui le s\u00e9pare des autres grains. Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.\",\"breadcrumb\":{\"@id\":\"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\/\/material-properties.org\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Que sont les joints de grain &#8211; Taille de grain &#8211; D\u00e9finition\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/material-properties.org\/fr\/#website\",\"url\":\"https:\/\/material-properties.org\/fr\/\",\"name\":\"Material Properties\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/material-properties.org\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"},\"url\":\"https:\/\/material-properties.org\/fr\/author\/matan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Que sont les joints de grain - Taille de grain - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles","description":"La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d'un grain qui le s\u00e9pare des autres grains. Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/","og_locale":"fr_FR","og_type":"article","og_title":"Que sont les joints de grain - Taille de grain - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles","og_description":"La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d'un grain qui le s\u00e9pare des autres grains. Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.","og_url":"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/","og_site_name":"Material Properties","article_published_time":"2022-05-25T06:30:32+00:00","article_modified_time":"2022-05-26T08:43:27+00:00","og_image":[{"url":"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Grains-Grain-Boundaries.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\/que-sont-les-joints-de-grain-taille-de-grain-definition\/","url":"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/","name":"Que sont les joints de grain - Taille de grain - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles","isPartOf":{"@id":"https:\/\/material-properties.org\/fr\/#website"},"datePublished":"2022-05-25T06:30:32+00:00","dateModified":"2022-05-26T08:43:27+00:00","author":{"@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb"},"description":"La limite de grain fait r\u00e9f\u00e9rence \u00e0 la zone ext\u00e9rieure d'un grain qui le s\u00e9pare des autres grains. Les joints de grains s\u00e9parent des r\u00e9gions cristallines diversement orient\u00e9es (polycristallines) dans lesquelles les structures cristallines sont identiques.","breadcrumb":{"@id":"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/material-properties.org\/fr\/que-sont-les-joints-de-grain-taille-de-grain-definition\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/material-properties.org\/fr\/"},{"@type":"ListItem","position":2,"name":"Que sont les joints de grain &#8211; Taille de grain &#8211; D\u00e9finition"}]},{"@type":"WebSite","@id":"https:\/\/material-properties.org\/fr\/#website","url":"https:\/\/material-properties.org\/fr\/","name":"Material Properties","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/material-properties.org\/fr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb","name":"Nick Connor","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g","caption":"Nick Connor"},"url":"https:\/\/material-properties.org\/fr\/author\/matan\/"}]}},"_links":{"self":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/posts\/116916"}],"collection":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/comments?post=116916"}],"version-history":[{"count":0,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/posts\/116916\/revisions"}],"wp:attachment":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/media?parent=116916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/categories?post=116916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/tags?post=116916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}