{"id":7498,"date":"2021-01-13T01:09:42","date_gmt":"2021-01-13T01:09:42","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7498"},"modified":"2021-05-17T01:51:26","modified_gmt":"2021-05-17T01:51:26","slug":"foam-ceramic-filters-for-casting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/foam-ceramic-filters-for-casting\/","title":{"rendered":"Filtros cer\u00e1micos de espuma para fundici\u00f3n"},"content":{"rendered":"<p>Con el fin de reducir la influencia de las inclusiones gaseosas y no met\u00e1licas, por un lado, se establecen requisitos estrictos en cuanto a las materias primas y al proceso de fundici\u00f3n para la preparaci\u00f3n de aleaciones. Por otro lado, se dedican a la investigaci\u00f3n y aplicaci\u00f3n de nuevas tecnolog\u00edas avanzadas para la purificaci\u00f3n de la masa fundida. Desde 2012, AdTech se ha dedicado a la investigaci\u00f3n de dispositivos de desgasificaci\u00f3n en l\u00ednea y dispositivos de filtrado para la tecnolog\u00eda de purificaci\u00f3n del metal fundido. En la actualidad, AdTech <a href=\"http:\/\/www.alalloycasting.com\/es\/molten-aluminum-purifying-units\/\">equipos de purificaci\u00f3n de aluminio fundido<\/a> Se ha utilizado ampliamente en las fundiciones de aluminio. Los filtros cer\u00e1micos de espuma para fundici\u00f3n son el m\u00e9todo m\u00e1s econ\u00f3mico en la tecnolog\u00eda de filtraci\u00f3n del aluminio fundido.<\/p>\n<p>La aleaci\u00f3n de aluminio se evapora y se oxida f\u00e1cilmente durante el proceso de fundici\u00f3n. Por lo tanto, en la masa fundida est\u00e1n presentes, en mayor o menor medida, gases y diversas inclusiones no met\u00e1licas, lo que da lugar a defectos como porosidad e inclusiones en el lingote. Esto reduce significativamente las propiedades mec\u00e1nicas, las propiedades de procesamiento, la resistencia a la fatiga, la resistencia a la corrosi\u00f3n y las propiedades de oxidaci\u00f3n an\u00f3dica del aluminio, y puede incluso provocar que el producto se descarte.<\/p>\n<p>Adem\u00e1s, debido a la influencia de las materias primas y los materiales auxiliares, puede haber otros metales en la soluci\u00f3n que resulten perjudiciales para la misma. Por ejemplo, los metales alcalinos y alcalinot\u00e9rreos (como el Na y el Ca); algunos metales alcalinos tienen un efecto adverso sobre el comportamiento de la mayor\u00eda de las aleaciones de aluminio. Por ejemplo, adem\u00e1s de provocar la \u201cfragilidad por sodio\u201d en las aleaciones de Al-Mg que contienen sodio, este metal tambi\u00e9n reduce la fluidez de la soluci\u00f3n. Esto afecta a las propiedades de fundici\u00f3n de la aleaci\u00f3n.<\/p>\n<p>Por lo tanto, es necesario adoptar medidas especiales durante el proceso de fundici\u00f3n para eliminar el gas, las inclusiones no met\u00e1licas y otros metales nocivos presentes en la aleaci\u00f3n de aluminio, con el fin de garantizar la calidad de la misma.<\/p>\n<p>Los filtros de espuma cer\u00e1mica se utilizan para la filtraci\u00f3n en la fundici\u00f3n de aluminio fundido, sometidos a cargas t\u00e9rmicas prolongadas. Los filtros para aluminio fundido suelen emplearse en tama\u00f1os est\u00e1ndar (indicados en pulgadas) con una porosidad de entre 10 y 60 PPI (poros por pulgada lineal). El tama\u00f1o del filtro de espuma cer\u00e1mica depende de su porosidad y se selecciona en funci\u00f3n de la capacidad de filtrado, el tiempo de colada y la disposici\u00f3n de la caja de filtrado CFF. La elecci\u00f3n de la porosidad del <a href=\"http:\/\/www.alalloycasting.com\/es\/molten-aluminum-filters\/\">filtro de aluminio fundido<\/a> Depende de la aleaci\u00f3n concreta, la temperatura de la fundici\u00f3n, la contaminaci\u00f3n del metal y la calidad de producci\u00f3n requerida.<\/p>\n<p>Antes de proceder a la fundici\u00f3n, el filtro debe precalentarse por completo para garantizar su funcionamiento normal. Una vez finalizada la fundici\u00f3n, si la caja del filtro CFF est\u00e1 equipada con una funci\u00f3n de calentamiento permanente, el filtro puede reutilizarse. Si se ha introducido metal en el filtro de espuma cer\u00e1mica, deber\u00e1 sustituirse en la siguiente fundici\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>In order to reduce the influence of gas and non-metallic inclusions, on the one hand, people put forward strict requirements on the raw materials and&hellip;<\/p>","protected":false},"author":1,"featured_media":7504,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7498","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Foam Ceramic Filters for Casting -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Foam ceramic filters for casting are the most economical method in molten aluminum 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