{"id":8817,"date":"2021-04-12T07:16:08","date_gmt":"2021-04-12T07:16:08","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8817"},"modified":"2021-04-12T07:16:08","modified_gmt":"2021-04-12T07:16:08","slug":"melt-aluminum-ceramic-foam-filters","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/melt-aluminum-ceramic-foam-filters\/","title":{"rendered":"Filtros de espuma cer\u00e1mica de aluminio fundido"},"content":{"rendered":"

Filtros de espuma cer\u00e1mica de aluminio fundido<\/strong> Se utilizan principalmente en la producci\u00f3n de piezas fundidas de aluminio y aleaciones de aluminio. La tecnolog\u00eda de filtraci\u00f3n del metal fundido permite eliminar eficazmente las inclusiones de gran tama\u00f1o del aluminio fundido y adsorber las impurezas m\u00e1s peque\u00f1as.
\nFiltro de cer\u00e1mica de al\u00famina<\/a> puede mejorar la calidad superficial de las piezas fundidas de aleaci\u00f3n de aluminio, mejorar su estructura y aumentar el rendimiento de la fundici\u00f3n.<\/p>\n

En la producci\u00f3n de piezas fundidas, los defectos de fundici\u00f3n causados por inclusiones no met\u00e1licas representan entre el 50% y el 60% del n\u00famero total de piezas rechazadas. Los defectos por inclusiones no solo reducen gravemente las propiedades mec\u00e1nicas de las piezas fundidas, sino que tambi\u00e9n tienen un efecto negativo en su capacidad de mecanizado y en su aspecto.
\nLa purificaci\u00f3n de las aleaciones l\u00edquidas de fundici\u00f3n y la reducci\u00f3n o eliminaci\u00f3n de diversas inclusiones no met\u00e1licas es la clave para obtener piezas de fundici\u00f3n de alta calidad. El filtro para aluminio l\u00edquido permite purificar eficazmente la aleaci\u00f3n l\u00edquida de fundici\u00f3n.<\/p>\n

La al\u00famina presenta un coeficiente de expansi\u00f3n t\u00e9rmica lineal relativamente elevado (8,0\u00d710\u207b\u2076 \/\u00b0C) y una baja resistencia t\u00e9rmica \u2014como es el caso de la al\u00famina monol\u00edtica, los filtros cer\u00e1micos de espuma, etc.\u2014 debido a las tensiones a alta temperatura provocadas por la combinaci\u00f3n de gradientes t\u00e9rmicos, un calentamiento no uniforme y un elevado coeficiente de expansi\u00f3n t\u00e9rmica.
\nDurante el proceso de precalentamiento y el contacto inicial con el metal fundido, el material filtrante de espuma cer\u00e1mica reticulada puede presentar grietas o fisuras, lo que hace que dicho material penetre en el lingote o la palanquilla de acero y se convierta en una inclusi\u00f3n.
\nAdem\u00e1s, cuando el filtro de espuma cer\u00e1mica a base de al\u00famina se precalienta y se utiliza, debido al elevado coeficiente de expansi\u00f3n t\u00e9rmica del filtro, se generar\u00e1 una gran tensi\u00f3n de compresi\u00f3n transversal, lo que provocar\u00e1 que el filtro resulte da\u00f1ado durante la compresi\u00f3n.<\/p>\n

\"Filtros<\/p>\n

Los filtros de espuma cer\u00e1mica para aluminio fundido est\u00e1n dise\u00f1ados para garantizar la alta pureza de las piezas brutas de aleaci\u00f3n de aluminio en las plantas metal\u00fargicas.<\/strong>, y tambi\u00e9n se utilizan para filtrar piezas de fundici\u00f3n de aluminio en las fundiciones.
\nEl filtro presenta una estructura tridimensional de poros interconectados, que forman un laberinto de cuerpos filtrantes cer\u00e1micos. El filtro moldeado se caracteriza por una estructura cer\u00e1mica homog\u00e9nea con un obstrucci\u00f3n m\u00ednima en las dos superficies de trabajo.
\nEsto crea las condiciones \u00f3ptimas para el funcionamiento eficaz de todos los mecanismos de filtrado.
\nLa composici\u00f3n qu\u00edmica de las cer\u00e1micas filtrantes a base de al\u00famina permite retener eficazmente las impurezas no deseadas, especialmente las inclusiones de composici\u00f3n similar (trampas de \u00f3xido).
\nGracias a su gran estabilidad, incluso si se expone a altas temperaturas durante un tiempo prolongado, el filtro puede utilizarse con \u00e9xito en una caja de filtrado o en un horno de calentamiento para filtrar una gran cantidad de metal l\u00edquido.<\/p>","protected":false},"excerpt":{"rendered":"

Melt Aluminum Ceramic Foam Filters are mainly used in the production of metal aluminum and aluminum alloy castings. Molten metal filtration technology can effectively remove large inclusions in molten aluminum and adsorb tiny impurities. Alumina ceramic filter can improve the surface quality of aluminum alloy…<\/p>","protected":false},"author":1,"featured_media":8818,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"\nMelt Aluminum Ceramic Foam Filters | Adtech China<\/title>\n<meta name=\"description\" content=\"Melt Aluminum Ceramic Foam Filters are mainly used in the production of metal aluminum and aluminum alloy castings. 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