{"id":6452,"date":"2020-11-13T08:28:02","date_gmt":"2020-11-13T08:28:02","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6452"},"modified":"2020-11-13T08:28:02","modified_gmt":"2020-11-13T08:28:02","slug":"aluminum-flux-purification","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-flux-purification\/","title":{"rendered":"Purificaci\u00f3n del fundente de aluminio"},"content":{"rendered":"<p>El proceso de purificaci\u00f3n con fundente de aluminio para la disoluci\u00f3n, combinaci\u00f3n y adsorci\u00f3n de inclusiones en la masa fundida se basa en una premisa fundamental: el fundente pasa a estar en fase l\u00edquida dentro de la masa fundida; es decir, es necesario que el fundente se encuentre en estado fundido durante el proceso de purificaci\u00f3n, y no en fase s\u00f3lida. Por lo tanto, el factor principal que hay que tener en cuenta en la preparaci\u00f3n del fundente es hacer que su punto de fusi\u00f3n sea inferior al punto de fusi\u00f3n del l\u00edquido del aluminio fundido. A presi\u00f3n atmosf\u00e9rica normal, el punto de fusi\u00f3n del aluminio es de unos 660 \u00b0C, y la temperatura de liquidus de la aleaci\u00f3n de aluminio fundida, con la adici\u00f3n de elementos de aleaci\u00f3n, tambi\u00e9n var\u00eda en funci\u00f3n de la composici\u00f3n de la aleaci\u00f3n, situ\u00e1ndose en la mayor\u00eda de los casos por encima de los 660 \u00b0C.<\/p>\n<p>Cuando el <a href=\"http:\/\/www.alalloycasting.com\/es\/aluminum-casting-flux\/\">fundente para fundici\u00f3n de aluminio<\/a> Cuando el fundente entra en contacto con las inclusiones de escoria s\u00f3lida presentes en la superficie o en el interior del aluminio fundido, las propiedades f\u00edsicas de las part\u00edculas de escoria se ven alteradas, y las inclusiones de escoria, tanto las superficiales como las internas, se separan del aluminio fundido junto con el fundente y se eliminan. En la superficie del aluminio fundido, la eliminaci\u00f3n de la escoria en suspensi\u00f3n por parte del fundente depende de la relaci\u00f3n de tensi\u00f3n superficial mutua entre las tres interfaces: el fundente, el aluminio fundido y el aire; mientras que, en el caso de la inclusi\u00f3n de escoria en el interior del aluminio fundido, la eliminaci\u00f3n por parte del fundente depende del fundente y del aluminio fundido. La relaci\u00f3n de tensi\u00f3n superficial mutua entre la interfaz del s\u00f3lido y las inclusiones de escoria s\u00f3lidas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6460\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/11\/Aluminum-Flux-Purification.jpg\" alt=\"Purificaci\u00f3n del fundente de aluminio\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Aluminum-Flux-Purification.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Aluminum-Flux-Purification-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Una de las cuestiones fundamentales en la preparaci\u00f3n del fundente es c\u00f3mo aprovechar sus propiedades f\u00edsicas de bajo punto de fusi\u00f3n y crear un entorno con bajo punto de fusi\u00f3n para el proceso de refinado mediante el dise\u00f1o de la composici\u00f3n del fundente.<\/p>\n<p>El principio de funcionamiento de la purificaci\u00f3n del fundido de aluminio consiste en lograr la purificaci\u00f3n mediante la adsorci\u00f3n y disoluci\u00f3n de las inclusiones de \u00f3xido presentes en el fundido de aluminio y del hidr\u00f3geno adsorbido en \u00e9l, que flotan hasta la superficie del fundido de aluminio gracias a la diferencia de densidad. El proceso de eliminaci\u00f3n de fundente y purificaci\u00f3n es un proceso multif\u00e1sico complejo, que se ve limitado por numerosos factores, entre los que destacan las condiciones termodin\u00e1micas y cin\u00e9ticas de la purificaci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>The process of aluminum flux purification for the dissolution, combination and adsorption of melt inclusions is based on the basic premise. The flux becomes a&hellip;<\/p>","protected":false},"author":1,"featured_media":6459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6452","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>Aluminum Flux Purification by Adsorbing and Dissolving<\/title>\n<meta name=\"description\" content=\"The process of aluminum flux purification for the dissolution, combination and adsorption of melt inclusions is based on the basic premise.\" \/>\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\/aluminum-flux-purification\/\" \/>\n<meta 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