{"id":8775,"date":"2021-03-31T09:11:05","date_gmt":"2021-03-31T09:11:05","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8775"},"modified":"2021-03-31T09:13:19","modified_gmt":"2021-03-31T09:13:19","slug":"ceramic-used-to-filter-metal","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/ceramic-used-to-filter-metal\/","title":{"rendered":"Cer\u00e1mica utilizada para filtrar metales"},"content":{"rendered":"

Cer\u00e1mica utilizada para filtrar metales<\/strong> Se aplica a la purificaci\u00f3n y filtraci\u00f3n del aluminio l\u00edquido durante el proceso de fundici\u00f3n de barras y lingotes de aluminio.
\nDurante el proceso de fundici\u00f3n, el aluminio l\u00edquido a alta temperatura entra en contacto repentinamente con la superficie del filtro de espuma cer\u00e1mica y calienta dicho filtro en cuesti\u00f3n de segundos.
\nEl calor del aluminio fundido eleva r\u00e1pidamente la temperatura del filtro de espuma cer\u00e1mica hasta un valor cercano al del metal fundido (unos 700 \u00b0C).
\nEl filtro de espuma cer\u00e1mica se expande al calentarse, por lo que es necesario que su coeficiente de expansi\u00f3n t\u00e9rmica sea bajo, para que no se agriete tras el calentamiento. No obstante, en circunstancias normales, se debe utilizar gas o un hilo resistivo para hornear y calentar la placa del filtro.
\nDado que el filtro de espuma cer\u00e1mica debe permanecer sumergido en el aluminio fundido durante un determinado periodo de tiempo, no se permite enjuagarlo para evitar que se ablande y se deforme.<\/p>\n

El contenido relativo de poros (porosidad)<\/strong> La porosidad del material cer\u00e1mico utilizado para filtrar metales var\u00eda. En funci\u00f3n de la porosidad, se puede clasificar en materiales de porosidad baja y media, y materiales de alta porosidad.
\nLa mayor\u00eda de los poros de este \u00faltimo est\u00e1n cerrados, y su comportamiento es similar al de las inclusiones del material;
\nEsta \u00faltima presenta tres formas: la forma porosa y la forma de fase s\u00f3lida continua.
\nLa primera forma es una estructura poligonal bidimensional continua y s\u00f3lida, en la que los huecos est\u00e1n separados por cilindros, de forma similar a la colmena hexagonal de las abejas, por lo que este material poroso bidimensional puede denominarse visualmente \u201cmaterial de panal\u201d.
\nLa segunda forma consiste en que el s\u00f3lido continuo presenta una estructura reticular tridimensional y los poros formados est\u00e1n interconectados. Este material poroso tridimensional se denomina \u201cespuma de c\u00e9lula abierta\u201d.\u201d
\nLa tercera forma es una estructura continua de pared s\u00f3lida y poli\u00e9drica que separa los poros cerrados. Este material poroso tridimensional se denomina \u201cespuma de c\u00e9lula cerrada\u201d.\u201d
\nPor supuesto, entre la espuma de c\u00e9lula abierta y la de c\u00e9lula cerrada existe una \u201cespuma de c\u00e9lula semiabierta\u201d.<\/p>\n

El filtro de espuma cer\u00e1mica debe tener la resistencia suficiente. Los filtros de espuma cer\u00e1mica de al\u00famina son m\u00e1s fr\u00e1giles y duros.<\/strong>
\nCuando la resistencia es insuficiente, es f\u00e1cil que se rompa y se haga a\u00f1icos, lo que no solo dificulta su almacenamiento y transporte.
\nUna vez que cay\u00f3 sobre el aluminio durante el Filtraci\u00f3n de metal fundido<\/a> proceso, la calidad del lingote de acero tambi\u00e9n se ver\u00e1 afectada. La resistencia a la compresi\u00f3n de El contenido relativo de poros (porosidad)<\/strong> La resistencia del material cer\u00e1mico poroso utilizado para filtrar metales var\u00eda, pero suele ser de 0,6 MPa.
\nEl filtro de espuma cer\u00e1mica fabricado en nuestra planta nunca se ha desintegrado ni se ha roto. En caso de que se produzcan astillas, dado que estas no se adhieren al aluminio fundido, suelen flotar en la superficie del l\u00edquido. Mientras la pel\u00edcula de \u00f3xido del aluminio fundido no se rompa, los fragmentos no quedar\u00e1n atrapados por el aluminio fundido.<\/p>\n

\"Cer\u00e1mica<\/p>","protected":false},"excerpt":{"rendered":"

Ceramic Used To Filter Metal applies the purification and filtration of aluminum liquid during the casting process of aluminum rods and ingots. During the casting process, the high-temperature aluminum liquid suddenly contacts the surface of the ceramic foam filter and heats the ceramic foam filter…<\/p>","protected":false},"author":1,"featured_media":8776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"\nCeramic Used To Filter Metal | Adtech China - sales@adtechamm.com<\/title>\n<meta name=\"description\" content=\"Ceramic Used To Filter Metal applies the purification and filtration of aluminum liquid during the casting process of aluminum rods and ingots.\" \/>\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.adtechamm.com\/es\/ceramic-used-to-filter-metal\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ceramic Used To Filter Metal | Adtech China - 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