{"id":116530,"date":"2022-05-19T20:42:53","date_gmt":"2022-05-19T19:42:53","guid":{"rendered":"https:\/\/material-properties.org\/quelle-est-la-composition-de-la-fonte-grise-definition\/"},"modified":"2022-05-23T07:01:21","modified_gmt":"2022-05-23T06:01:21","slug":"quelle-est-la-composition-de-la-fonte-grise-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelle-est-la-composition-de-la-fonte-grise-definition\/","title":{"rendered":"Quelle est la composition de la fonte grise – D\u00e9finition"},"content":{"rendered":"

Les teneurs en carbone et en silicium des fontes grises varient entre 2,5 et 4,0 % en poids et 1,0 et 3,0 % en poids, respectivement.\u00a0Composition de la fonte grise<\/div><\/div><\/span><\/p>\n

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\n
\"Diagramme<\/a>
Dans la figure, il y a le diagramme de phase fer-carbure de fer (Fe-Fe3C).\u00a0Le pourcentage de carbone pr\u00e9sent et la temp\u00e9rature d\u00e9finissent la phase de l’alliage fer-carbone et donc ses caract\u00e9ristiques physiques et ses propri\u00e9t\u00e9s m\u00e9caniques.\u00a0Le pourcentage de carbone d\u00e9termine le type d’alliage ferreux : fer, acier ou fonte.\u00a0Source: wikipedia.org L\u00e4pple, Volker – W\u00e4rmebehandlung des Stahls Grundlagen. Licence: CC BY-SA 4.0<\/span><\/figcaption><\/figure>\n

La fonte grise<\/span><\/strong>\u00a0est le type de fer le plus ancien et le plus r\u00e9pandu et c’est probablement ce \u00e0 quoi la plupart des gens pensent lorsqu’ils entendent le terme \u00ab fonte \u00bb.\u00a0Les teneurs en carbone et en silicium des fontes grises varient entre 2,5 et 4,0 % en poids et 1,0 et 3,0 % en poids, respectivement.<\/span><\/p>\n

La fonte grise<\/span><\/strong>\u00a0se caract\u00e9rise par sa\u00a0<\/span>microstructure graphitique<\/span><\/strong>\u00a0qui donne aux ruptures du mat\u00e9riau un\u00a0<\/span>aspect gris<\/span><\/strong>.\u00a0Cela est d\u00fb \u00e0 la pr\u00e9sence de graphite dans sa composition.\u00a0Dans la fonte grise, le graphite se pr\u00e9sente sous forme de flocons, prenant une g\u00e9om\u00e9trie tridimensionnelle.<\/span><\/p>\n

La fonte grise a moins de\u00a0<\/span>r\u00e9sistance \u00e0 la traction<\/span><\/a>\u00a0et aux chocs que l’acier, mais sa r\u00e9sistance \u00e0 la compression est comparable \u00e0 celle de l’acier \u00e0 faible et moyenne teneur en carbone.\u00a0<\/span>La fonte grise<\/span><\/strong>\u00a0a une bonne conductivit\u00e9 thermique et une capacit\u00e9 thermique sp\u00e9cifique, elle est donc souvent utilis\u00e9e dans les ustensiles de cuisine et les disques de frein.<\/span><\/p>\n

La fonte grise<\/span><\/strong>\u00a0a \u00e9galement une\u00a0<\/span>excellente capacit\u00e9 d’amortissement<\/span><\/strong>, qui est donn\u00e9e par le graphite car il absorbe l’\u00e9nergie et la convertit en chaleur.\u00a0Une grande capacit\u00e9 d’amortissement est souhaitable pour les mat\u00e9riaux utilis\u00e9s dans les structures o\u00f9 des vibrations ind\u00e9sirables sont induites pendant le fonctionnement, telles que les bases de machines-outils ou les vilebrequins.\u00a0Des mat\u00e9riaux comme le laiton et l’acier ont de petites capacit\u00e9s d’amortissement permettant \u00e0 l’\u00e9nergie vibratoire d’\u00eatre transmise \u00e0 travers eux sans att\u00e9nuation.<\/span><\/p>\n

\"Fonte<\/a><\/p>\n

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

\n

<\/span>R\u00e9f\u00e9rences :<\/div>
Science des mat\u00e9riaux:<\/div><\/div><\/div><\/span><\/p>\n

D\u00e9partement am\u00e9ricain de l’\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 1 and 2. Janvier 1993.<\/span>
\nUS Department of Energy, Material Science.\u00a0DOE Fundamentals Handbook, Volume 2 et 2. Janvier 1993.<\/span>
\nWilliam 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>
\nEn 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>
\nGaskell, David R. (1995).\u00a0Introduction \u00e0 la thermodynamique des mat\u00e9riaux (4e \u00e9d.).\u00a0\u00c9ditions Taylor et Francis.\u00a0ISBN 978-1-56032-992-3.<\/span>
\nGonz\u00e1lez-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>
\nAshby, 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>
\nJR Lamarsh, AJ Baratta, Introduction au g\u00e9nie nucl\u00e9aire, 3e \u00e9d., Prentice-Hall, 2001, ISBN : 0-201-82498-1.<\/span>
\n<\/span><\/p><\/div><\/div>

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Voir ci-dessus:<\/span>
\nStyle fer gris\"\" <\/span><\/a>[ \/su_button]<\/span><\/p><\/div><\/div>

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Nous esp\u00e9rons que cet article,\u00a0<\/span>Composition de la fonte grise<\/span><\/strong>, 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,\u00a0Composition de la fonte grise, 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":"\nQuelle est la composition de la fonte grise - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Les teneurs en carbone et en silicium des fontes grises varient entre 2,5 et 4,0 % en poids et 1,0 et 3,0 % en poids, respectivement. 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