{"id":5885,"date":"2020-10-23T02:13:21","date_gmt":"2020-10-23T02:13:21","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5885"},"modified":"2020-10-23T02:13:21","modified_gmt":"2020-10-23T02:13:21","slug":"cast-non-ferrous-metals","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/cast-non-ferrous-metals\/","title":{"rendered":"Fundici\u00f3n de metales no ferrosos"},"content":{"rendered":"<p>Entre los metales no ferrosos fundidos se incluyen las aleaciones de aluminio, las aleaciones de magnesio, las aleaciones de cobre, las aleaciones de zinc, las aleaciones de titanio y las aleaciones para rodamientos. El equipo para la fundici\u00f3n y el refinado de metales no ferrosos incluye hornos, equipos de desgasificaci\u00f3n en l\u00ednea y unidades de filtrado con espuma cer\u00e1mica. Los hornos de crisol se utilizan generalmente en f\u00e1bricas peque\u00f1as y medianas.<\/p>\n<p><strong>Fundici\u00f3n de metales no ferrosos<\/strong><\/p>\n<p>Las aleaciones de aluminio para fundici\u00f3n se dividen en cuatro categor\u00edas: aluminio-silicio, aluminio-cobre, magnesio en crisol y aluminio-zinc. Entre ellas, las aleaciones m\u00e1s utilizadas, las de aluminio-silicio, suelen fundirse en hornos de crisol o hornos reverberantes.<\/p>\n<p>La aleaci\u00f3n de aluminio tiene un punto de fusi\u00f3n bajo y buena fluidez, pero es f\u00e1cil que se generen gases durante el proceso de fusi\u00f3n. La mayor parte del gas presente en el aluminio fundido es hidr\u00f3geno (aproximadamente 80%), y hay una cantidad considerable de escorias de oxidaci\u00f3n, como el Al\u2082O\u2083. Por lo tanto, la desgasificaci\u00f3n y la eliminaci\u00f3n de escorias son fundamentales en la fundici\u00f3n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5887\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/10\/Cast-Non-ferrous-Metals.jpg\" alt=\"Fundici\u00f3n de metales no ferrosos\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/10\/Cast-Non-ferrous-Metals.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/10\/Cast-Non-ferrous-Metals-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Para evitar el sobrecalentamiento del metal, se debe acortar al m\u00e1ximo el tiempo de fusi\u00f3n y reducir la succi\u00f3n. Adem\u00e1s, <a href=\"http:\/\/www.alalloycasting.com\/es\/grain-refinement\/\">refinamiento del grano<\/a> (modificaci\u00f3n) tambi\u00e9n es necesaria. En la producci\u00f3n se suelen utilizar agentes refinadores, o bien se emplean por separado los agentes refinadores y los modificadores.<\/p>\n<p>El agente refinador a base de nitrato de sodio y grafito es lo que se conoce como \u201cno t\u00f3xico\u201d <a href=\"http:\/\/www.alalloycasting.com\/es\/refining-agent\/\">agente refinador<\/a> desarrollada en la d\u00e9cada de 1970. Para modificar la microestructura de la aleaci\u00f3n de aluminio, refinar los granos y mejorar las propiedades mec\u00e1nicas, es necesario modificar la aleaci\u00f3n de aluminio, y los modificadores de estroncio se utilizan ampliamente en su producci\u00f3n.<\/p>\n<p>Existen docenas de m\u00e9todos de purificaci\u00f3n del aluminio fundido, que pueden resumirse en tres categor\u00edas: desgasificaci\u00f3n sin reacci\u00f3n qu\u00edmica, desgasificaci\u00f3n con reacci\u00f3n qu\u00edmica y desgasificaci\u00f3n mixta. La desgasificaci\u00f3n sin reacci\u00f3n qu\u00edmica incluye la inyecci\u00f3n de gas inerte, el tratamiento al vac\u00edo, la filtraci\u00f3n, la electromigraci\u00f3n de gases y el tratamiento ultras\u00f3nico. La desgasificaci\u00f3n por reacci\u00f3n qu\u00edmica se refiere principalmente a la eliminaci\u00f3n del hidr\u00f3geno de las tierras raras. La desgasificaci\u00f3n mixta incluye principalmente el fundente de gasificaci\u00f3n, la inyecci\u00f3n de gas activo y la inyecci\u00f3n de fundente activo, entre otros.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cast non-ferrous metals include aluminum alloys, magnesium alloys, copper alloys, zinc alloys, titanium alloys, and bearing alloys. The equipment for smelting and refining non-ferrous metals&hellip;<\/p>","protected":false},"author":1,"featured_media":5887,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cast Non-ferrous Metals by Smelting and Refining Equipment<\/title>\n<meta name=\"description\" content=\"Cast non-ferrous metals include aluminum alloys, magnesium alloys, copper alloys, zinc alloys, titanium alloys, and bearing alloys.\" \/>\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.alalloycasting.com\/es\/cast-non-ferrous-metals\/\" 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