{"id":116903,"date":"2022-05-25T06:57:15","date_gmt":"2022-05-25T05:57:15","guid":{"rendered":"https:\/\/material-properties.org\/orientation-des-grains-definition\/"},"modified":"2022-05-26T09:40:35","modified_gmt":"2022-05-26T08:40:35","slug":"orientation-des-grains-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/orientation-des-grains-definition\/","title":{"rendered":"Orientation des grains – D\u00e9finition"},"content":{"rendered":"

Orientation des grains.\u00a0L’orientation des cristallites peut \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.<\/div><\/div><\/span><\/p>\n

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\"Orientation<\/a>
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

L’\u00a0<\/span>orientation des cristallites<\/span><\/strong>\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>Une orientation al\u00e9atoire<\/span><\/strong>\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’est ce qu’on appelle\u00a0<\/span>l’orientation pr\u00e9f\u00e9r\u00e9e<\/span><\/strong>.\u00a0Dans de nombreux cas, l’orientation pr\u00e9f\u00e9r\u00e9e est tr\u00e8s souhaitable, mais dans d’autres cas, elle peut \u00eatre tr\u00e8s nocive.\u00a0Par exemple, l’orientation pr\u00e9f\u00e9r\u00e9e des \u00e9l\u00e9ments combustibles \u00e0 l’uranium peut entra\u00eener des changements catastrophiques de dimensions pendant l’utilisation dans un r\u00e9acteur nucl\u00e9aire.<\/span><\/p>\n

R\u00e9f\u00e9rence sp\u00e9ciale: US Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/p>\n

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<\/span>References :<\/div>
\u00a0<\/div><\/div><\/div><\/span>Science des mat\u00e9riaux:<\/span><\/strong><\/p>\n
    \n
  1. D\u00e9partement am\u00e9ricain de l’\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/li>\n
  2. D\u00e9partement am\u00e9ricain de l’\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 2 et 2. Janvier 1993.<\/span><\/li>\n
  3. 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
  4. 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
  5. 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
  6. Gonzalez-Vi\u00f1as, W. & Mancini, HL (2004).\u00a0Une introduction \u00e0 la science des mat\u00e9riaux.\u00a0Presse universitaire de Princeton.\u00a0ISBN 978-0-691-07097-1<\/span><\/li>\n
  7. 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
  8. 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

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    Voir au dessus:<\/span><\/h2>\n

    Structure cristalline\"\" <\/span><\/a><\/span><\/p><\/div><\/div>

    <\/div><\/div><\/span><\/p>\n

    <\/div><\/span><\/p>\n

    Nous esp\u00e9rons que cet article, Orientation des grains<\/strong><\/span>, vous aidera.\u00a0Si oui,\u00a0<\/span>donnez-nous un like<\/span><\/strong>\u00a0dans la barre lat\u00e9rale.\u00a0L’objectif principal de ce site Web est d’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":"

    Nous esp\u00e9rons que cet article, Orientation des grains, vous aidera.\u00a0Si oui,\u00a0donnez-nous un like\u00a0dans la barre lat\u00e9rale.\u00a0L’objectif principal de ce site Web est d’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":"\nOrientation des grains - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Orientation des grains. 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