{"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":"vantagens-e-desvantagens-do-titanio-no-aco-inoxidavel","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/vantagens-e-desvantagens-do-titanio-no-aco-inoxidavel\/","title":{"rendered":"Vantagens e desvantagens do tit\u00e2nio em a\u00e7o inoxid\u00e1vel"},"content":{"rendered":"

Quando o tit\u00e2nio estiver no a\u00e7o inoxid\u00e1vel, o carbono se combinar\u00e1 preferencialmente com o tit\u00e2nio para formar carboneto de tit\u00e2nio, o que pode impedir efetivamente a forma\u00e7\u00e3o de carboneto de cromo e o esgotamento do limite de gr\u00e3os formado pela precipita\u00e7\u00e3o e, por fim, pode impedir efetivamente corros\u00e3o intergranular<\/a>.<\/p>\n\n\n

\n
\"Tubos<\/figure>\n<\/div>\n\n\n

O que \u00e9 corros\u00e3o intergranular?<\/strong><\/p>\n\n\n\n

Quando o a\u00e7o inoxid\u00e1vel austen\u00edtico de cromo-n\u00edquel \u00e9 aquecido a uma faixa de temperatura de 450-800 \u2103, a corros\u00e3o ao longo do limite do gr\u00e3o geralmente ocorre, o que \u00e9 chamado de corros\u00e3o intergranular.<\/p>\n\n\n\n

Como o tit\u00e2nio e o nitrog\u00eanio podem ser combinados para formar o nitreto de tit\u00e2nio, e o tit\u00e2nio e o oxig\u00eanio podem ser combinados para formar o di\u00f3xido de tit\u00e2nio, a quantidade de tit\u00e2nio adicionada \u00e9 limitada em conformidade, que \u00e9 cerca de 0,8% na pr\u00e1tica.<\/p>\n\n\n\n

Para evitar corros\u00e3o intergranular, o a\u00e7o inoxid\u00e1vel contendo tit\u00e2nio deve ser estabilizado ap\u00f3s o tratamento com solu\u00e7\u00e3o.<\/h3>\n\n\n\n

Quando a temperatura \u00e9 aumentada para mais de 450 \u00b0 C, o carbono na solu\u00e7\u00e3o s\u00f3lida ir\u00e1 precipitar gradualmente na forma de carbonetos. A temperatura de forma\u00e7\u00e3o de Cr23C6 \u00e9 650 \u00b0 C e 900 \u00b0 C \u00e9 a temperatura de forma\u00e7\u00e3o de TiC. Para evitar a corros\u00e3o intergranular, \u00e9 necess\u00e1rio reduzir o teor de Cr23C6 para que os carbonetos existam completamente na forma de TiC.<\/p>\n\n\n\n

A estabilidade dos carbonetos de tit\u00e2nio \u00e9 superior \u00e0 dos carbonetos de cromo. Quando o a\u00e7o inoxid\u00e1vel \u00e9 aquecido acima de 700 \u00b0 C, os carbonetos de cromo come\u00e7am a se transformar em carbonetos de tit\u00e2nio.<\/p>\n\n\n\n

No entanto, o tit\u00e2nio n\u00e3o \u00e9 totalmente inofensivo no a\u00e7o inoxid\u00e1vel e, \u00e0s vezes, o tit\u00e2nio pode prejudicar o desempenho do a\u00e7o inoxid\u00e1vel.<\/p>\n\n\n\n

Por exemplo, inclus\u00f5es como TiO2 e TiN podem existir. Seu alto teor e distribui\u00e7\u00e3o desigual reduzem a pureza do a\u00e7o inoxid\u00e1vel at\u00e9 certo ponto; tamb\u00e9m deteriora a qualidade da superf\u00edcie dos lingotes de a\u00e7o inoxid\u00e1vel, resultando em um aumento na moagem do processo, o que \u00e9 f\u00e1cil. Causa desperd\u00edcio; o desempenho de polimento do produto acabado n\u00e3o \u00e9 muito bom e o processamento de superf\u00edcies de alta precis\u00e3o \u00e9 muito dif\u00edcil.<\/p>\n\n\n\n

Postado por fornecedor de acess\u00f3rios ppe de a\u00e7o inoxid\u00e1vel<\/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":"\nAdvantages And Disadvantages Of Titanium In Stainless Steel - KAYSUNS<\/title>\n<meta name=\"description\" content=\"titanium in stainless steel, C will preferentially combine with Ti, which can effectively prevent intergranular corrosion.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/pt\/blog\/vantagens-e-desvantagens-do-titanio-no-aco-inoxidavel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Advantages And Disadvantages Of Titanium In Stainless Steel - 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