{"id":7495,"date":"2021-01-12T09:18:15","date_gmt":"2021-01-12T09:18:15","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7495"},"modified":"2022-03-11T01:26:26","modified_gmt":"2022-03-11T01:26:26","slug":"alumina-ceramic-filter-for-foundry","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/alumina-ceramic-filter-for-foundry\/","title":{"rendered":"Filtro cer\u00e1mico de al\u00famina para fundici\u00f3n"},"content":{"rendered":"

El filtro de espuma cer\u00e1mica de al\u00famina se utiliza principalmente para la filtraci\u00f3n de aleaciones de aluminio en talleres de fundici\u00f3n. El filtro de cer\u00e1mica de al\u00famina presenta una excelente resistencia a la corrosi\u00f3n provocada por el aluminio fundido, lo que permite eliminar eficazmente las inclusiones y reducir los gases residuales.<\/p>\n

Aluminio filtro cer\u00e1mico para fundici\u00f3n<\/a> El filtrado mejora la calidad de las piezas fundidas de llantas de aluminio, evita defectos como las inclusiones de escoria y los poros, y mejora la ductilidad.<\/p>\n

En el proceso de producci\u00f3n de lingotes de aleaci\u00f3n de aluminio fundido<\/a>, si el control no es el adecuado, suelen producirse diversos defectos en el producto, especialmente en las aleaciones de aluminio y silicio.<\/p>\n

La escoria mezclada con el lingote u otras impurezas no met\u00e1licas que se introducen en \u00e9l se denominan inclusiones no met\u00e1licas. Las caracter\u00edsticas de fractura son bandas o escamas negras, y las caracter\u00edsticas de la microestructura consisten principalmente en una organizaci\u00f3n lineal, en bloques, floculenta y desordenada de color negro, que presenta una diferencia de color evidente con respecto al sustrato.<\/p>\n

Las inclusiones no met\u00e1licas son una causa importante de delaminaci\u00f3n y de muchos defectos superficiales en los productos transformados de aluminio. Durante el tratamiento t\u00e9rmico y el proceso de calentamiento, la presencia de inclusiones no met\u00e1licas favorece la formaci\u00f3n de poros secundarios y burbujas.<\/p>\n

En cuanto a las propiedades mec\u00e1nicas, las inclusiones no met\u00e1licas son puntos en los que se concentra la tensi\u00f3n, lo que reduce el l\u00edmite de resistencia y el alargamiento de la aleaci\u00f3n. En particular, la reducci\u00f3n del alargamiento transversal y de las propiedades mec\u00e1nicas din\u00e1micas (resistencia al impacto, resistencia a la fatiga y tenacidad a la fractura) es m\u00e1s grave. Adem\u00e1s, las inclusiones no met\u00e1licas tambi\u00e9n reducen la resistencia a la corrosi\u00f3n bajo tensi\u00f3n de la aleaci\u00f3n.<\/p>\n

Las inclusiones no met\u00e1licas (inclusiones de escoria) son los residuos m\u00e1s comunes en los lingotes de aleaci\u00f3n de aluminio. Seg\u00fan las estad\u00edsticas, en t\u00e9rminos de calidad, los lingotes desechados debido a la presencia de escoria representan entre 10% y 25% del total de residuos. Las inclusiones de escoria suelen estar causadas por escoria, fragmentos del revestimiento y \u00f3xidos de gran tama\u00f1o, que caen en el lingote junto con el metal l\u00edquido durante el proceso de fundici\u00f3n.<\/p>\n

\"\"<\/p>\n

El filtro de espuma cer\u00e1mica de al\u00famina para fundici\u00f3n se utiliza para filtrar aluminio fundido y aleaciones no ferrosas. Adem\u00e1s de su uso en filtro de espuma cer\u00e1mica de al\u00famina<\/a>, tambi\u00e9n hay que prestar atenci\u00f3n al proceso de fundici\u00f3n de la aleaci\u00f3n de aluminio:<\/p>\n

1. Acortar la distancia del sistema de lavado por transferencia<\/a> en la medida de lo posible y establecer unas buenas condiciones de transferencia para evitar fluctuaciones en el nivel del metal. Lo mejor es utilizar el mismo grado de fundici\u00f3n siempre que sea posible.
\n2. Hornear a fondo las herramientas de transferencia, aumentar la temperatura de fundici\u00f3n seg\u00fan corresponda, retirar con cuidado las escorias durante el proceso de fundici\u00f3n y limpiar minuciosamente el horno, la placa de flujo y el resto de herramientas tras la fundici\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

Alumina ceramic foam filter is mainly used for aluminum alloy filtration in casting and foundry workshops. The alumina ceramic filter has excellent resistance to molten…<\/p>","protected":false},"author":1,"featured_media":7496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAlumina Ceramic Filter for Foundry, Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"Alumina ceramic filter is mainly used for aluminum alloy filtration in casting and foundry workshops. 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