fundente en polvo<\/a> en el fondo del horno. Una vez nivelada la carga del horno, espolvorea uniformemente una capa de fundente en polvo seco hasta cubrirla y espolvorea el fundente sobre la superficie del metal fundido sin recubrimiento a tiempo para evitar su inhalaci\u00f3n. El fundente tiene un buen efecto en la eliminaci\u00f3n de impurezas, pero su eficacia depende en gran medida de las caracter\u00edsticas f\u00edsicas y qu\u00edmicas del propio fundente y del proceso de purificaci\u00f3n, como la cantidad de fundente, las condiciones de contacto entre el fundente y el metal fundido, y la temperatura de procesamiento.<\/p>\n![\"\"](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/09\/Aluminum-Casting-Flux-Purification.jpg\")
<\/p>\n
En el proceso de fundici\u00f3n de aleaciones de aluminio, la eliminaci\u00f3n de escorias y la desgasificaci\u00f3n se consiguen mediante la adsorci\u00f3n, la disoluci\u00f3n, la reacci\u00f3n qu\u00edmica y la diferencia de presi\u00f3n de gas entre el fundente y las inclusiones. El fundente utilizado para la purificaci\u00f3n es una sal con bajo punto de fusi\u00f3n, baja densidad, baja tensi\u00f3n superficial, alta actividad y gran capacidad de adsorci\u00f3n de \u00f3xidos.<\/p>\n
La capacidad de adsorci\u00f3n del fundente depende de su composici\u00f3n qu\u00edmica. En lo que respecta a las aleaciones de aluminio, en otras condiciones, la capacidad de humectaci\u00f3n y adsorci\u00f3n del cloruro es superior a la del fluoruro; los cloruros de metales alcalinos son mejores que los de metales alcalinot\u00e9rreos; y la mezcla de cloruro de sodio y cloruro de potasio es mejor que el cloruro puro. A\u00f1adir fluoruro a la mezcla de cloruro de sodio y cloruro de potasio mejora considerablemente su capacidad de adsorci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"
There are many types of melting furnace flux used in aluminum alloy casting production, which can be divided into two categories: refining agent and covering…<\/p>","protected":false},"author":1,"featured_media":10352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-10350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluxes"],"yoast_head":"\n
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