{"id":6351,"date":"2020-08-24T07:38:02","date_gmt":"2020-08-24T07:38:02","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6351"},"modified":"2025-06-19T06:47:37","modified_gmt":"2025-06-19T06:47:37","slug":"avantages-et-inconvenients-du-titane-dans-lacier-inoxydable","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/avantages-et-inconvenients-du-titane-dans-lacier-inoxydable\/","title":{"rendered":"Avantages et inconv\u00e9nients du titane en acier inoxydable"},"content":{"rendered":"<p>Lorsque le titane est pr\u00e9sent dans l'acier inoxydable, le carbone se combine de pr\u00e9f\u00e9rence au titane pour former du carbure de titane, ce qui permet d'\u00e9viter efficacement la formation de carbure de chrome et l'appauvrissement des joints de grains par pr\u00e9cipitation et, en fin de compte, d'emp\u00eacher efficacement la formation de carbure de chrome et de carbure de titane. <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\">corrosion intergranulaire<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"544\" height=\"352\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Ti-Pipes.jpg\" alt=\"Tubes en acier inoxydable en titane\" class=\"wp-image-6352\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Ti-Pipes.jpg 544w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Ti-Pipes-300x194.jpg 300w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>Qu&#039;est-ce que la corrosion intergranulaire ?<\/strong><\/p>\n\n\n\n<p>Lorsque l&#039;acier inoxydable aust\u00e9nitique au chrome-nickel est chauff\u00e9 \u00e0 une plage de temp\u00e9ratures de 450 \u00e0 800 \u2103, il se produit souvent une corrosion le long de la limite des grains, appel\u00e9e corrosion intergranulaire.<\/p>\n\n\n\n<p>\u00c9tant donn\u00e9 que le titane et l&#039;azote peuvent \u00eatre combin\u00e9s pour former du nitrure de titane, et que le titane et l&#039;oxyg\u00e8ne peuvent \u00eatre combin\u00e9s pour former du dioxyde de titane, la quantit\u00e9 de titane ajout\u00e9e est limit\u00e9e en cons\u00e9quence, qui est d&#039;environ 0,81 TP1T en pratique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Afin d&#039;\u00e9viter la corrosion intergranulaire, l&#039;acier inoxydable contenant du titane doit \u00eatre stabilis\u00e9 apr\u00e8s la mise en solution.<\/h3>\n\n\n\n<p>Lorsque la temp\u00e9rature est augment\u00e9e \u00e0 plus de 450 \u00b0C, le carbone dans la solution solide pr\u00e9cipitera progressivement sous forme de carbures. La temp\u00e9rature de formation de Cr23C6 est de 650\u00b0C et 900\u00b0C est la temp\u00e9rature de formation de TiC. Pour \u00e9viter la corrosion intergranulaire, il est n\u00e9cessaire de r\u00e9duire la teneur en Cr23C6 pour que les carbures existent compl\u00e8tement sous forme de TiC.<\/p>\n\n\n\n<p>La stabilit\u00e9 des carbures de titane est sup\u00e9rieure \u00e0 celle des carbures de chrome. Lorsque l&#039;acier inoxydable est chauff\u00e9 au-dessus de 700\u00b0C, les carbures de chrome commencent \u00e0 se transformer en carbures de titane.<\/p>\n\n\n\n<p>Cependant, le titane n&#039;est pas totalement inoffensif dans l&#039;acier inoxydable, et parfois le titane peut nuire aux performances de l&#039;acier inoxydable.<\/p>\n\n\n\n<p>Par exemple, des inclusions telles que TiO2 et TiN sont susceptibles d&#039;exister. Leur teneur \u00e9lev\u00e9e et leur r\u00e9partition in\u00e9gale r\u00e9duisent dans une certaine mesure la puret\u00e9 de l&#039;acier inoxydable ; il d\u00e9t\u00e9riore \u00e9galement la qualit\u00e9 de surface des lingots d&#039;acier inoxydable, ce qui entra\u00eene une augmentation du broyage du processus, ce qui est facile Provoque des d\u00e9chets ; les performances de polissage du produit fini ne sont pas tr\u00e8s bonnes et le traitement de surfaces de haute pr\u00e9cision est tr\u00e8s difficile.<\/p>\n\n\n\n<p>Post\u00e9 par <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">fournisseur de raccords ppe en acier inoxydable<\/a>KAYSUNS.<\/p>","protected":false},"featured_media":6352,"template":"","categories":[186],"tags":[],"class_list":["post-6351","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Advantages And Disadvantages Of Titanium In Stainless Steel - 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