{"id":12220,"date":"2022-01-11T09:13:27","date_gmt":"2022-01-11T09:13:27","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12220"},"modified":"2022-01-11T09:13:27","modified_gmt":"2022-01-11T09:13:27","slug":"aluminium-foam-ceramic-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminium-foam-ceramic-filter\/","title":{"rendered":"Filtro cer\u00e1mico de espuma de aluminio"},"content":{"rendered":"

El filtro cer\u00e1mico de espuma de aluminio elimina eficazmente las inclusiones de gran tama\u00f1o del aluminio l\u00edquido, adsorbe part\u00edculas de inclusiones de tama\u00f1o microm\u00e9trico, mejora la calidad de la superficie, mejora el rendimiento del producto, mejora la microestructura y aumenta el rendimiento de los productos acabados.<\/span><\/p>\n

Rendimiento del proceso de fundici\u00f3n de aleaciones de aluminio<\/span><\/strong><\/p>\n

Se entiende, en general, como una combinaci\u00f3n de aquellas propiedades que destacan en los procesos de llenado del molde, cristalizaci\u00f3n y enfriamiento.<\/span> Fluidez, contracci\u00f3n, estanqueidad, tensi\u00f3n de colada, getter.<\/span><\/p>\n

Estas propiedades de las aleaciones de aluminio dependen de la composici\u00f3n de la aleaci\u00f3n, pero tambi\u00e9n de factores relacionados con la fundici\u00f3n, como la temperatura de calentamiento de la aleaci\u00f3n, la complejidad del molde, el sistema de colada y de alimentadores, la forma de la colada, etc.<\/span><\/p>\n

\"Filtro<\/p>\n

1. La liquidez<\/span><\/p>\n

La fluidez se refiere a la capacidad que tiene el metal fundido de llenar un molde.<\/span> La fluidez de la aleaci\u00f3n determina si permite fabricar piezas de fundici\u00f3n complejas.<\/span> La aleaci\u00f3n eut\u00e9ctica presenta una buena fluidez en las aleaciones de aluminio.<\/span><\/p>\n

Hay muchos factores que influyen en la fluidez, principalmente la composici\u00f3n, la temperatura y las part\u00edculas s\u00f3lidas de contaminantes como los \u00f3xidos met\u00e1licos y los compuestos met\u00e1licos presentes en el l\u00edquido de la aleaci\u00f3n, pero los factores externos fundamentales son la temperatura de colada y la presi\u00f3n de colada (lo que com\u00fanmente se conoce como \u00abaltura de colada\u00bb).<\/span><\/p>\n

En la pr\u00e1ctica, adem\u00e1s de reforzar el proceso de fundici\u00f3n<\/a> (eliminaci\u00f3n de escorias de refinado), tambi\u00e9n es necesario mejorar la conformabilidad (permeabilidad de la arena, salida del metal y temperatura) sin afectar a la aleaci\u00f3n.<\/span> Con el objetivo de garantizar la calidad de la fundici\u00f3n, se ha optimizado la temperatura de colada para asegurar la fluidez de la aleaci\u00f3n.<\/span><\/p>\n

2. Contracci\u00f3n<\/span><\/p>\n

La contracci\u00f3n es una de las principales caracter\u00edsticas de la aleaci\u00f3n de aluminio fundido.<\/span><\/p>\n

En t\u00e9rminos generales, las aleaciones se dividen en tres etapas desde la colada en estado l\u00edquido hasta la solidificaci\u00f3n y el enfriamiento a temperatura ambiente, es decir, la contracci\u00f3n en estado l\u00edquido, la contracci\u00f3n por solidificaci\u00f3n y la contracci\u00f3n en estado s\u00f3lido.<\/span><\/p>\n

La contracci\u00f3n de la aleaci\u00f3n tiene un efecto decisivo en la calidad de la pieza fundida, lo que influye en el tama\u00f1o de la cavidad de contracci\u00f3n, la generaci\u00f3n de tensiones, la formaci\u00f3n de grietas y el cambio de dimensiones de la pieza fundida.<\/span><\/p>\n

Normalmente, la contracci\u00f3n en la fundici\u00f3n se divide en contracci\u00f3n volum\u00e9trica y contracci\u00f3n lineal.<\/span> En la producci\u00f3n real, la contracci\u00f3n lineal se utiliza generalmente para medir la contracci\u00f3n de las aleaciones.<\/span><\/p>\n

El filtro cer\u00e1mico de espuma de aluminio desempe\u00f1a un papel importante en la fundici\u00f3n de aleaciones de aluminio. Ayuda a reducir la contracci\u00f3n del metal y hace que el flujo del metal fundido sea m\u00e1s estable.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Aluminium foam ceramic filter effectively removes large inclusions in liquid aluminum, adsorption micron level small inclusion particles, improve the surface quality, improve product performance, improve…<\/p>","protected":false},"author":1,"featured_media":12221,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-12220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminium Foam Ceramic Filter in Molten Metal Casting<\/title>\n<meta name=\"description\" content=\"Aluminium foam ceramic filter effectively removes large inclusions in liquid aluminum, adsorption micron level small inclusion particles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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