{"id":10633,"date":"2021-10-15T03:02:36","date_gmt":"2021-10-15T03:02:36","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10633"},"modified":"2022-03-11T01:22:25","modified_gmt":"2022-03-11T01:22:25","slug":"alumina-foam-ceramic-filter-for-foundry","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/alumina-foam-ceramic-filter-for-foundry\/","title":{"rendered":"Filtro cer\u00e1mico de espuma de al\u00famina para fundici\u00f3n"},"content":{"rendered":"

El filtro de espuma cer\u00e1mica de al\u00famina para fundici\u00f3n se utiliza para filtrar las impurezas del aluminio y las aleaciones de aluminio cuando el metal fundido entra en el molde. El metal l\u00edquido limpio permite obtener piezas de fundici\u00f3n de mayor calidad, reducir los desechos y disminuir los defectos por inclusiones.<\/p>\n

En los \u00faltimos a\u00f1os, Filtro de espuma cer\u00e1mica de Al\u2082O\u2083<\/a> Se ha desarrollado como un nuevo tipo de filtro para metal fundido destinado a reducir el flujo de fundici\u00f3n. La al\u00famina filtro de espuma cer\u00e1mica para fundici\u00f3n<\/a> puede eliminar eficazmente las inclusiones, reducir el gas presente en el metal l\u00edquido y generar un flujo laminar, con lo que el metal filtrado queda m\u00e1s limpio.<\/p>\n

En esta investigaci\u00f3n, se ha desarrollado un filtro cer\u00e1mico de bentonita que contiene Al\u2082O\u2083 en sustituci\u00f3n de un filtro cer\u00e1mico de estructura alveolar, con el fin de obtener un flujo laminar y controlar el caudal de aluminio fundido. Se utiliza la tecnolog\u00eda de replicaci\u00f3n para fabricar espuma cer\u00e1mica reticulada a partir de la esponja. La bentonita se emplea para aglutinar las part\u00edculas de al\u00famina tanto a temperatura ambiente como a temperatura de sinterizaci\u00f3n. Se han optimizado el n\u00famero de orificios por pulgada y el di\u00e1metro de los mismos para conseguir un caudal suficiente de aluminio fundido. Tambi\u00e9n se han mejorado las caracter\u00edsticas superficiales del filtro cer\u00e1mico para controlar el caudal.<\/p>\n

La filtraci\u00f3n es uno de los procesos de refinado m\u00e1s habituales en la fundici\u00f3n para eliminar inclusiones no met\u00e1licas e intermet\u00e1licas en el proceso de fundici\u00f3n de aleaciones de aluminio. El refinado de la masa fundida puede mejorar la uniformidad del metal, mejorar las propiedades mec\u00e1nicas, eliminar numerosos defectos metal\u00fargicos, mejorar la superficie de la pieza fundida y mejorar significativamente su maquinabilidad.<\/p>\n

\"Proveedor<\/p>\n

Las principales fuentes de inclusiones son los productos de oxidaci\u00f3n del metal de escoria, los materiales refractarios, los residuos de agentes de refinado, los materiales de fundici\u00f3n y la erosi\u00f3n, las inclusiones end\u00f3genas en el metal y los inoculantes no disueltos o los residuos de aditivos de aleaci\u00f3n.<\/p>\n

El proceso de filtraci\u00f3n es un mecanismo complejo en el que influyen factores de din\u00e1mica de fluidos, como el flujo del fluido, la turbulencia, las fuerzas superficiales y f\u00edsicas, as\u00ed como las interacciones qu\u00edmicas y metal\u00fargicas entre las inclusiones, los medios filtrantes y el metal l\u00edquido.<\/p>\n

El uso de filtro de espuma cer\u00e1mica para la filtraci\u00f3n de metales<\/a> es un m\u00e9todo eficaz para controlar el nivel de inclusiones. Se cree que el filtro de espuma cuenta con un tubo retorcido \u00fanico que atraviesa su cuerpo, el cual atrapa las inclusiones y permite un flujo laminar limpio de la masa fundida hacia la cavidad del molde. El filtro de espuma cer\u00e1mica presenta una estructura de celdas abiertas y ventanas, tiene una porosidad muy elevada y una superficie espec\u00edfica muy grande para atrapar las inclusiones.<\/p>","protected":false},"excerpt":{"rendered":"

Alumina ceramic foam filter for foundry is used to filter impurities in aluminum and aluminum alloy when molten metal enters the mold. Clean liquid metal…<\/p>","protected":false},"author":1,"featured_media":10634,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAlumina Foam Ceramic Filter for Foundry, Molten Aluminum Filter<\/title>\n<meta name=\"description\" content=\"Alumina ceramic foam filter for foundry is used to filter impurities in aluminum and aluminum alloy when molten metal enters the mold.\" \/>\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\/alumina-foam-ceramic-filter-for-foundry\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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