{"id":9123,"date":"2021-06-08T07:32:31","date_gmt":"2021-06-08T07:32:31","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9123"},"modified":"2021-06-08T07:32:31","modified_gmt":"2021-06-08T07:32:31","slug":"ceramic-filters-for-foundries","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/ceramic-filters-for-foundries\/","title":{"rendered":"Filtros cer\u00e1micos para fundiciones"},"content":{"rendered":"<p>Se ha comprobado que los filtros de espuma cer\u00e1mica para fundiciones resultan especialmente \u00fatiles para filtrar metal fundido, sobre todo aluminio fundido. Las caracter\u00edsticas de resistencia a altas temperaturas del filtro resultan especialmente \u00fatiles en las duras condiciones de uso que se dan en la filtraci\u00f3n de metal fundido. Adem\u00e1s, se ha comprobado que la composici\u00f3n del filtro cer\u00e1mico no contamina el metal.<\/p>\n<p>Los filtros cer\u00e1micos para fundiciones son un material de bajo coste que puede utilizarse c\u00f3modamente como material desechable. El metal fundido se vierte a trav\u00e9s del material de espuma cer\u00e1mica a un caudal de entre 5 y 500, y preferiblemente de 30 a 100 pulgadas c\u00fabicas por pulgada cuadrada de superficie de filtro por minuto, con lo que se eliminan del metal fundido los s\u00f3lidos arrastrados.<\/p>\n<p><a href=\"http:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-pal\/\">Filtro de espuma cer\u00e1mica<\/a> es un material de espuma org\u00e1nica flexible de c\u00e9lula abierta, que presenta una pluralidad de huecos interconectados rodeados por una red de material de espuma. Se prepara la suspensi\u00f3n acuosa descrita anteriormente y se impregna con ella el material de espuma, de modo que la red quede recubierta y los huecos se llenen sustancialmente con ella. A continuaci\u00f3n, el material impregnado se comprime para expulsar entre 20 y 75% de la suspensi\u00f3n, dejando la red recubierta con ella. Se libera la compresi\u00f3n de modo que la red permanezca recubierta con la suspensi\u00f3n y se seca el material. A continuaci\u00f3n, el material seco se calienta para, en primer lugar, quemar la espuma org\u00e1nica flexible y, a continuaci\u00f3n, sinterizar el recubrimiento cer\u00e1mico, obteni\u00e9ndose as\u00ed una espuma cer\u00e1mica fundida que presenta una pluralidad de huecos interconectados rodeados por una red de cer\u00e1mica unida o fundida con la configuraci\u00f3n de la espuma flexible.<\/p>\n<p>El componente principal del material de espuma cer\u00e1mica es el Al\u2082O\u2083. El Al\u2082O\u2083 resulta especialmente adecuado para su uso como filtro cer\u00e1mico, ya que no se ve afectado por el aluminio fundido ni por el cobre fundido, mientras que la s\u00edlice s\u00ed se ve afectada por estos materiales. Adem\u00e1s, la al\u00famina posee una resistencia suficiente para soportar el ataque qu\u00edmico, as\u00ed como la resistencia estructural y mec\u00e1nica necesaria para soportar las condiciones espec\u00edficas de temperatura elevada.<\/p>","protected":false},"excerpt":{"rendered":"<p>The ceramic foam filters for foundries have been found to be particularly useful in filtering molten metal, especially molten aluminum. The high-temperature resistant characteristics of&hellip;<\/p>","protected":false},"author":1,"featured_media":9125,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9123","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>Ceramic Filters for Foundries -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The ceramic foam filters for foundries have been found to be particularly useful in filtering molten metal, especially molten aluminum.\" \/>\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\/ceramic-filters-for-foundries\/\" 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