purificaci\u00f3n por fusi\u00f3n<\/a>\u00a0m\u00e9todos.<\/p>\nEl filtro de cer\u00e1mica de al\u00famina fundida en aluminio es muy importante para la calidad del aluminio fundido y tiene una gran influencia en el rendimiento de los procesos posteriores y en la calidad del producto final.<\/p>\n
La contracci\u00f3n y la porosidad son uno de los principales defectos de las piezas fundidas. La raz\u00f3n es que la contracci\u00f3n del metal l\u00edquido es mayor que la del metal s\u00f3lido.
\nEn la producci\u00f3n se ha observado que, cuanto m\u00e1s estrecho es el intervalo de solidificaci\u00f3n de las aleaciones de aluminio fundido, m\u00e1s f\u00e1cil es que se formen cavidades de contracci\u00f3n concentradas, y cuanto m\u00e1s amplio es dicho intervalo, m\u00e1s f\u00e1cil es que se formen cavidades de contracci\u00f3n dispersas.<\/p>\n
Por lo tanto, el dise\u00f1o debe hacer que la aleaci\u00f3n de aluminio fundido se ajuste al principio de solidificaci\u00f3n secuencial; es decir, la contracci\u00f3n volum\u00e9trica de la pieza fundida al pasar del estado l\u00edquido a la solidificaci\u00f3n debe compensarse con el l\u00edquido de la aleaci\u00f3n, de modo que la contracci\u00f3n y la porosidad se concentren en la capa exterior.<\/p>\n
La fluidez se refiere a la capacidad del l\u00edquido de la aleaci\u00f3n para llenar el molde. La fluidez determina si la aleaci\u00f3n permite la fabricaci\u00f3n de piezas de fundici\u00f3n complejas. Las aleaciones eut\u00e9cticas son las que presentan mayor fluidez entre las aleaciones de aluminio.<\/p>\n
A medida que los requisitos de calidad de los productos de aluminio son cada vez m\u00e1s exigentes, tambi\u00e9n lo son los requisitos que deben cumplir las placas filtrantes. El filtro de cer\u00e1mica de al\u00famina fundida en aluminio permite reducir las inclusiones en el aluminio fundido, disminuir los defectos de contracci\u00f3n y, adem\u00e1s, convertir el flujo turbulento del aluminio fundido en un flujo laminar.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminum cast alumina ceramic filter has many advantages such as good chemical stability, high specific strength, high temperature resistance, thermal shock resistance, and large specific…<\/p>","protected":false},"author":1,"featured_media":11878,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-11877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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