{"id":10297,"date":"2021-09-16T06:24:12","date_gmt":"2021-09-16T06:24:12","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10297"},"modified":"2021-09-16T06:24:12","modified_gmt":"2021-09-16T06:24:12","slug":"secondary-aluminium-smelting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/secondary-aluminium-smelting\/","title":{"rendered":"Fundici\u00f3n secundaria de aluminio"},"content":{"rendered":"<p>La fundici\u00f3n secundaria de aluminio consiste en introducir una determinada proporci\u00f3n de chatarra de aluminio y aleaciones de aluminio en el horno de fundici\u00f3n y, tras una fusi\u00f3n r\u00e1pida, tratar adecuadamente el material fundido para obtener fundidos de aluminio y aleaciones de aluminio que cumplan los requisitos de calidad. En el proceso de fundici\u00f3n secundaria de aluminio se producen numerosos cambios y reacciones f\u00edsico-qu\u00edmicos entre la propia aleaci\u00f3n y el entorno tanto dentro como fuera del horno, y estas reacciones afectan a la calidad del metal fundido.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10298\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/09\/Secondary-Aluminium-Smelting.jpg\" alt=\"Fundici\u00f3n secundaria de aluminio\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/09\/Secondary-Aluminium-Smelting.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/09\/Secondary-Aluminium-Smelting-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><strong>Las fundiciones de aluminio y aleaciones de aluminio que cumplan los requisitos deben cumplir los siguientes aspectos:<\/strong><\/p>\n<p>(1) La composici\u00f3n qu\u00edmica cumple los requisitos. En primer lugar, el contenido de cada elemento de aleaci\u00f3n debe estar dentro del rango permitido. Adem\u00e1s de los elementos de aleaci\u00f3n, en diversas materias primas met\u00e1licas, debido a diversas razones, existen muchos tipos de elementos o diversos gases e inclusiones que tienen efectos adversos sobre el aluminio y las aleaciones de aluminio, pero que no pueden eliminarse por completo. Para garantizar el rendimiento de los materiales, el contenido de los distintos elementos de impureza en la composici\u00f3n qu\u00edmica debe estar dentro del rango permitido.<\/p>\n<p>(2) La masa fundida debe estar limpia. En el proceso de fusi\u00f3n t\u00e9rmica del aluminio y las aleaciones de aluminio, debido a la fuerte interacci\u00f3n qu\u00edmica de diversos elementos qu\u00edmicos en condiciones de alta temperatura y a descuidos durante el proceso operativo, pueden aparecer algunos objetos extra\u00f1os, tales como <a href=\"http:\/\/www.alalloycasting.com\/es\/fluxes\/\">flujos<\/a>, escoria o diversos gases, etc., se introducen en la masa fundida, y estos cuerpos extra\u00f1os afectar\u00e1n negativamente al comportamiento del material durante el posterior proceso de solidificaci\u00f3n. Por lo tanto, deben eliminarse en la medida de lo posible durante la operaci\u00f3n de fundici\u00f3n de aluminio secundario.<\/p>\n<p>(3) La temperatura es la adecuada. Durante el proceso de fundici\u00f3n del aluminio y las aleaciones de aluminio, estos materiales \u2014que se encuentran en estado s\u00f3lido a temperatura ambiente\u2014 se calientan a una temperatura superior al punto de fusi\u00f3n para provocar un cambio de fase y transformarlos en estado l\u00edquido. A altas temperaturas, el aluminio y las aleaciones de aluminio, as\u00ed como el entorno, experimentan diversos efectos debido al aumento de la actividad qu\u00edmica, lo que contamina la masa fundida; adem\u00e1s, estos cambios son irreversibles y afectan negativamente a las prestaciones del aluminio y las aleaciones de aluminio. Por lo tanto, durante el proceso de fusi\u00f3n, la temperatura debe controlarse de manera que se reduzca al m\u00e1ximo, siempre que se cumplan los requisitos de solidificaci\u00f3n posteriores, con el fin de minimizar el impacto en la calidad del metal fundido.<\/p>","protected":false},"excerpt":{"rendered":"<p>The secondary aluminium smelting is to add a certain proportion of aluminum and aluminum alloy scraps into the smelting furnace, and after rapid melting, the&hellip;<\/p>","protected":false},"author":1,"featured_media":10298,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10297","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>Secondary Aluminium Smelting Process in 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