{"id":116770,"date":"2022-05-23T23:35:05","date_gmt":"2022-05-23T22:35:05","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-que-la-durete-et-la-resistance-a-la-traction-definition\/"},"modified":"2022-05-25T06:10:15","modified_gmt":"2022-05-25T05:10:15","slug":"quest-ce-que-la-durete-et-la-resistance-a-la-traction-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-durete-et-la-resistance-a-la-traction-definition\/","title":{"rendered":"Qu’est-ce que la duret\u00e9 et la r\u00e9sistance \u00e0 la traction – D\u00e9finition"},"content":{"rendered":"

Une conversion pratique est celle de la duret\u00e9 Brinell en r\u00e9sistance \u00e0 la traction ultime.\u00a0Dans ce cas, la r\u00e9sistance \u00e0 la traction ultime (en psi) est approximativement \u00e9gale \u00e0 l’indice de duret\u00e9 Brinell multipli\u00e9 par 500.<\/div><\/div><\/span><\/p>\n

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

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Le test de duret\u00e9 Brinell<\/span><\/strong>\u00a0est l’un des tests de duret\u00e9 par indentation, qui a \u00e9t\u00e9 d\u00e9velopp\u00e9 pour les tests de duret\u00e9.\u00a0Dans les tests Brinell, un\u00a0<\/span>p\u00e9n\u00e9trateur sph\u00e9rique<\/span><\/strong>\u00a0dur est forc\u00e9 sous une charge sp\u00e9cifique dans la surface du m\u00e9tal \u00e0 tester.\u00a0<\/span>Le test typique utilise une bille en acier tremp\u00e9 de<\/span><\/strong>\u00a010 mm (0,39 in) de diam\u00e8tre \u00a0\u00a0comme p\u00e9n\u00e9trateur avec une force de 3 000 kgf (29,42 kN; 6 614 lbf).\u00a0La charge est maintenue constante pendant un temps d\u00e9termin\u00e9 (entre 10 et 30 s).\u00a0Pour les mat\u00e9riaux plus tendres, une force plus faible est utilis\u00e9e; pour les mat\u00e9riaux plus durs, une\u00a0<\/span>bille en carbure de tungst\u00e8ne<\/span><\/strong>\u00a0remplace la bille en acier.<\/span><\/p>\n

Duret\u00e9 et r\u00e9sistance \u00e0 la traction<\/span><\/h2>\n

Outre la corr\u00e9lation entre les diff\u00e9rents nombres de duret\u00e9, il existe \u00e9galement des corr\u00e9lations possibles avec d’autres propri\u00e9t\u00e9s des mat\u00e9riaux.\u00a0Par exemple, pour les aciers au carbone ordinaires trait\u00e9s thermiquement et les aciers moyennement alli\u00e9s, une autre conversion pratique est celle de\u00a0<\/span>la duret\u00e9 Brinell en r\u00e9sistance \u00e0\u00a0<\/span>la traction ultime<\/span><\/a><\/strong>.\u00a0Dans ce cas, la r\u00e9sistance \u00e0 la traction ultime (en psi) est approximativement \u00e9gale \u00e0 l’indice de duret\u00e9 Brinell multipli\u00e9 par\u00a0<\/span>500<\/span><\/strong>.\u00a0G\u00e9n\u00e9ralement, une duret\u00e9 \u00e9lev\u00e9e indiquera une r\u00e9sistance relativement\u00a0<\/span>\u00e9lev\u00e9e<\/span><\/a>\u00a0et\u00a0<\/span>une faible ductilit\u00e9<\/span><\/a>\u00a0du mat\u00e9riau.<\/span><\/p>\n

Dans l’industrie, les essais de duret\u00e9 sur m\u00e9taux sont principalement utilis\u00e9s pour contr\u00f4ler la qualit\u00e9 et l’homog\u00e9n\u00e9it\u00e9 des m\u00e9taux, notamment lors des op\u00e9rations de traitement thermique.\u00a0Les tests peuvent g\u00e9n\u00e9ralement \u00eatre appliqu\u00e9s au produit fini sans dommage significatif.<\/span><\/p>\n

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

\n

<\/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

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

    <\/div>
    <\/div>
    <\/div><\/div>
    \n

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

    Duret\u00e9\"\" <\/span><\/a><\/span><\/p><\/div><\/div>

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

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

    Nous esp\u00e9rons que cet article,\u00a0<\/span>Duret\u00e9 et r\u00e9sistance \u00e0 la traction<\/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,\u00a0Duret\u00e9 et r\u00e9sistance \u00e0 la traction, 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":"\nQu'est-ce que la duret\u00e9 et la r\u00e9sistance \u00e0 la traction - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Une conversion pratique est celle de la duret\u00e9 Brinell en r\u00e9sistance \u00e0 la traction ultime. 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