m\u00e9todo do fluxo<\/a> \u00c9 que, quando o alum\u00ednio fundido \u00e9 purificado pelo fundente, as inclus\u00f5es migram espontaneamente da massa fundida para o fundente devido \u00e0 diferen\u00e7a na temperatura de transi\u00e7\u00e3o entre as fases em contato. Seu efeito de remo\u00e7\u00e3o de impurezas est\u00e1 diretamente relacionado \u00e0s propriedades f\u00edsicas e qu\u00edmicas do pr\u00f3prio fundente. Ao mesmo tempo, as condi\u00e7\u00f5es do processo de purifica\u00e7\u00e3o ainda n\u00e3o foram determinadas em um programa de grande porte, tais como a quantidade de fluxo, as condi\u00e7\u00f5es de contato entre o fluxo e o material fundido e a temperatura.<\/p>\nO m\u00e9todo do fluxo el\u00e9trico \u00e9 um m\u00e9todo de purifica\u00e7\u00e3o desenvolvido pela antiga Uni\u00e3o Sovi\u00e9tica a partir da d\u00e9cada de 1970. Sua ess\u00eancia consiste na remo\u00e7\u00e3o cont\u00ednua de impurezas do alum\u00ednio fundido sob a a\u00e7\u00e3o de um campo el\u00e9trico de corrente cont\u00ednua ou alternada.<\/p>\n
![\"M\u00e9todos](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/11\/Aluminum-Purification-Methods-1.jpg\")
<\/p>\n
A purifica\u00e7\u00e3o pelo m\u00e9todo de filtra\u00e7\u00e3o consiste principalmente em fazer com que o alum\u00ednio l\u00edquido flua atrav\u00e9s de um determinado meio, o qual captura as inclus\u00f5es de acordo com um determinado mecanismo e, ao mesmo tempo, retira o hidrog\u00eanio adsorvido nas impurezas, a fim de alcan\u00e7ar o objetivo da purifica\u00e7\u00e3o. \u00c9 um dos m\u00e9todos eficazes para eliminar as inclus\u00f5es. De acordo com o tipo de filtro, ele pode ser dividido em tr\u00eas categorias: filtro de malha, filtro granular e filtro cer\u00e2mico poroso; entre eles, o filtro cer\u00e2mico poroso \u00e9 dividido em cer\u00e2mica r\u00edgida (microporosa) e filtro cer\u00e2mico de espuma<\/a>. De acordo com o mecanismo de filtra\u00e7\u00e3o, ela pode ser dividida em filtra\u00e7\u00e3o por bolo de filtro e filtra\u00e7\u00e3o profunda. As cer\u00e2micas porosas pertencem \u00e0 filtra\u00e7\u00e3o profunda.<\/p>","protected":false},"excerpt":{"rendered":"Since inclusions and hydrogen in molten aluminum are accompanied and interacted with each other, various methods based on hydrogen removal and purification also have different…<\/p>","protected":false},"author":1,"featured_media":6268,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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