{"id":6358,"date":"2020-08-25T08:10:43","date_gmt":"2020-08-25T08:10:43","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6358"},"modified":"2026-03-09T05:43:44","modified_gmt":"2026-03-09T05:43:44","slug":"introduction-monel-400-de-lalliage-nickel-cuivre-resistant-a-la-corrosion","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/introduction-monel-400-de-lalliage-nickel-cuivre-resistant-a-la-corrosion\/","title":{"rendered":"Introduction : Monel 400 d&#039;alliage r\u00e9sistant \u00e0 la corrosion de nickel-cuivre"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>La performance et l&#039;application de l&#039;alliage Monel 400<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Monel-400.jpg\" alt=\"Monel 400\" class=\"wp-image-6359\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Monel-400.jpg 500w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Monel-400-300x300.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/08\/Monel-400-150x150.jpg 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n<p>Le Monel 400 est \u00e9galement appel\u00e9 Ni68Cu28Fe, deux desquels sont couramment utilis\u00e9s nickel-cuivre <a href=\"https:\/\/www.kaysuns.com\/fr\/alliage-resistant-a-la-corrosion\/\" target=\"_blank\">alliages r\u00e9sistants \u00e0 la corrosion<\/a>, et l'autre est Ni68Cu28A1.<\/p>\n\n\n\n<p>Le Monel 400 est un alliage nickel-cuivre r\u00e9sistant \u00e0 la corrosion qui pr\u00e9sente la plus grande quantit\u00e9, la plus large application et les meilleures performances globales. En raison de la diff\u00e9rence de composition chimique, il peut exister dans diff\u00e9rentes nuances d'alliage, mais il n'y a pas de diff\u00e9rence significative entre elles. <a href=\"https:\/\/www.kaysuns.com\/fr\/la-resistance-a-la-corrosion-de-lacier-inoxydable\/\" target=\"_blank\">r\u00e9sistance \u00e0 la corrosion<\/a> entre eux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Composition chimique et caract\u00e9ristiques organisationnelles du Monel 400<\/strong><\/h3>\n\n\n\n<p>Composition chimique de l'alliage Monel 400 et <a href=\"https:\/\/www.kaysuns.com\/fr\/fabricant-de-tubes-monel-400\/\" target=\"_blank\">Tube en Monel 400<\/a> est principalement compos\u00e9 de 30% Cu et 65% Ni plus une petite quantit\u00e9 de Fe (1%-2%), et la structure est une structure typique d'aust\u00e9nite monophas\u00e9e. Comme le nickel et le cuivre sont mutuellement solubles dans n'importe quel rapport, il n'y a g\u00e9n\u00e9ralement pas de pr\u00e9cipitation de la phase interm\u00e9tallique.<\/p>\n\n\n\n<p>En observant la structure de cet alliage dans des conditions de non-attaque au microscope m\u00e9tallographique, on peut voir qu&#039;il existe des inclusions non m\u00e9talliques tr\u00e8s dispers\u00e9es sur la matrice d&#039;aust\u00e9nite. Par exemple, les sulfures et les silicates, les carbures peuvent \u00e9galement \u00eatre observ\u00e9s sous certaines conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>R\u00e9sistance \u00e0 la corrosion<\/strong><\/h3>\n\n\n\n<p>Les alliages nickel-cuivre sont plus r\u00e9sistants \u00e0 la corrosion en r\u00e9ducteurs que le nickel pur, et plus r\u00e9sistants \u00e0 la corrosion en oxydant l&#039;ectoplasme que le cuivre pur. L&#039;alliage Ni68Cu28Fe ne fait pas exception. \u00c9tant donn\u00e9 que l&#039;alliage Ni68Cu28Fe a une structure d&#039;aust\u00e9nite monophas\u00e9e, il n&#039;y a pas de corrosion caus\u00e9e par la r\u00e9action galvanique entre les diff\u00e9rentes phases de l&#039;alliage multiphasique.<\/p>\n\n\n\n<p>L&#039;alliage a une r\u00e9sistance \u00e9lev\u00e9e \u00e0 la corrosion dans l&#039;atmosph\u00e8re et est un alliage extr\u00eamement r\u00e9sistant \u00e0 la corrosion. Dans l&#039;eau naturelle et l&#039;eau distill\u00e9e, l&#039;alliage est extr\u00eamement r\u00e9sistant \u00e0 la corrosion et le taux de corrosion est g\u00e9n\u00e9ralement 0,025 mm\/a. (y compris diff\u00e9rentes temp\u00e9ratures, diff\u00e9rents d\u00e9bits et de nombreuses conditions difficiles de remplissage d&#039;air). <\/p>\n\n\n\n<p>Dans les boues acides contenant des sels oxydants, la corrosion de l&#039;alliage augmentera, mais il fait toujours partie des mat\u00e9riaux r\u00e9sistants \u00e0 la corrosion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Applications<\/strong><\/h3>\n\n\n\n<p>Il peut \u00eatre utilis\u00e9 pour fabriquer des arbres de pompe, des tubes de transfert de chaleur et des roues. Dans l&#039;eau de mer, une autre utilisation importante du Ni68Cu28Fe est la fabrication de pi\u00e8ces structurelles qui emp\u00eachent la corrosion de l&#039;eau de mer dans la zone d&#039;\u00e9claboussure des plates-formes de production p\u00e9troli\u00e8re. Le taux de corrosion du Ni68Cu28Fe dans l&#039;eau de mer fortement agit\u00e9e avec pr\u00e9sence d&#039;air ne d\u00e9passe g\u00e9n\u00e9ralement pas 0,026 mm\/a. <\/p>\n\n\n\n<p>Cependant, l&#039;alliage Ni68Cu28Fe est sujet \u00e0 la corrosion par piq\u00fbres dans l&#039;eau de mer plate. Dans l&#039;air et l&#039;oxyg\u00e8ne, la r\u00e9sistance \u00e0 l&#039;oxydation de cet alliage est inf\u00e9rieure \u00e0 celle du nickel pur, et la temp\u00e9rature maximale d&#039;utilisation peut \u00eatre de 600\u00b0C. Dans des conditions de temp\u00e9rature \u00e9lev\u00e9e contenant du gaz HF, lorsque de l&#039;oxyg\u00e8ne est pr\u00e9sent ou dans des conditions de condensation, cet alliage n&#039;est g\u00e9n\u00e9ralement pas utilis\u00e9.<\/p>\n\n\n\n<p>Post\u00e9 par <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">raccords de tuyauterie en acier inoxydable<\/a> fournisseur, kaysuns<\/p>","protected":false},"featured_media":6359,"template":"","categories":[186],"tags":[],"class_list":["post-6358","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>Introduction: Monel 400 Of Nickel-copper Corrosion Resistant Alloy<\/title>\n<meta name=\"description\" content=\"Monel 400 is also called Ni68Cu28Fe, two of which are commonly used nickel-copper corrosion resistant alloys, and the other is Ni68Cu28A1.\" \/>\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\/fr\/blog\/introduction-monel-400-de-lalliage-nickel-cuivre-resistant-a-la-corrosion\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction: Monel 400 Of Nickel-copper Corrosion Resistant Alloy\" \/>\n<meta property=\"og:description\" content=\"Monel 400 is also called Ni68Cu28Fe, two of which are commonly used nickel-copper corrosion resistant alloys, and the other is Ni68Cu28A1.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kaysuns.com\/fr\/blog\/introduction-monel-400-de-lalliage-nickel-cuivre-resistant-a-la-corrosion\/\" \/>\n<meta property=\"og:site_name\" content=\"Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"article:modified_time\" 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