{"id":10640,"date":"2021-10-15T05:36:33","date_gmt":"2021-10-15T05:36:33","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10640"},"modified":"2021-10-15T05:36:33","modified_gmt":"2021-10-15T05:36:33","slug":"molten-aluminum-flux-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-aluminum-flux-refining\/","title":{"rendered":"Refinado con fundente de aluminio fundido"},"content":{"rendered":"

El m\u00e9todo m\u00e1s aceptado y m\u00e1s utilizado para eliminar inclusiones, como las pel\u00edculas de \u00f3xido, del aluminio fundido es el refinado con fundente.<\/p>\n

La composici\u00f3n qu\u00edmica del fundente depende de los objetivos del proceso de fundici\u00f3n (eliminaci\u00f3n de \u00e1lcalis, limpieza, separaci\u00f3n de escorias). Los fundentes a base de Na\u2082SO\u2084 y NaCl se utilizan para reducir el porcentaje de inclusiones de \u00f3xido en el aluminio fundido, al hacer que se adhieran a la superficie de la masa fundida.<\/p>\n

Porque al a\u00f1adir fundente de refinado<\/a> en las piezas de fundici\u00f3n de aluminio puede reducir las inclusiones, lo que aumenta la fluidez del metal.<\/p>\n

La fluidez es la capacidad que tiene el metal l\u00edquido de fluir a la temperatura de fusi\u00f3n antes de detenerse debido a la solidificaci\u00f3n. La influencia de las inclusiones en la fluidez consiste en que la fluidez del aluminio puro se reduce significativamente debido a la presencia de inclusiones de \u00f3xido, ya que estas bloquean el flujo del metal l\u00edquido. La fluidez de la muestra aumenta con la adici\u00f3n de fundente.<\/p>\n

Los \u00f3xidos son las inclusiones m\u00e1s comunes en el proceso de fundici\u00f3n de metales. Si el aluminio fundido no se somete a un tratamiento de refinado adecuado, quedar\u00e1n inclusiones de \u00f3xido en el lingote de aluminio fundido, lo que provocar\u00e1 inevitablemente numerosos problemas, como la reducci\u00f3n de las propiedades mec\u00e1nicas, una mala maquinabilidad y una mala calidad de la superficie. Para reducir la presencia de defectos en el producto final, es importante utilizar aluminio fundido que no contenga impurezas durante el proceso de fundici\u00f3n.<\/p>\n

\"\"<\/p>\n

El aluminio reciclado es aquel que se produce mediante procesos de reciclaje de aluminio, utilizando chatarra de aluminio como fuente principal. El uso de chatarra de aluminio en el proceso de reciclaje presenta una desventaja, ya que contiene numerosas impurezas que no son necesarias en la fundici\u00f3n de metales. Estas impurezas se consideran inclusiones no deseadas y reducen la calidad del producto final. En el proceso de fundici\u00f3n de metales, las inclusiones pueden provocar defectos, lo que reduce la calidad del producto final.<\/p>\n

La adici\u00f3n de fundente mejora la calidad del aluminio fundido durante el proceso de fundici\u00f3n. Esto se debe a la acci\u00f3n del fundente, que fija las inclusiones de \u00f3xido presentes en el metal fundido a la superficie. A medida que el porcentaje en peso y la temperatura de fusi\u00f3n del fundente aumentan hasta alcanzar su punto \u00f3ptimo, las inclusiones de \u00f3xido disminuyen. El tratamiento de refinado con fundente del aluminio fundido es el m\u00e1s eficaz para eliminar las inclusiones de \u00f3xido.<\/p>","protected":false},"excerpt":{"rendered":"

The most widely accepted and most commonly used method for removing inclusions such as oxide films from molten aluminum is flux refining. The chemical composition…<\/p>","protected":false},"author":1,"featured_media":10643,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nMolten Aluminum Flux Refining, Fluxes for Metal Casting<\/title>\n<meta name=\"description\" content=\"The most widely accepted and most commonly used method for removing inclusions such as oxide films from molten aluminum is flux refining.\" \/>\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\/molten-aluminum-flux-refining\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Molten 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