{"id":10667,"date":"2021-10-19T03:06:31","date_gmt":"2021-10-19T03:06:31","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10667"},"modified":"2021-10-19T03:06:31","modified_gmt":"2021-10-19T03:06:31","slug":"foam-ceramic-filter-for-aluminum-casting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/foam-ceramic-filter-for-aluminum-casting\/","title":{"rendered":"Filtro cer\u00e1mico de espuma para fundici\u00f3n de aluminio"},"content":{"rendered":"

AdTech ofrece un filtro cer\u00e1mico de espuma para la fundici\u00f3n de aluminio que presenta una elevada resistencia al choque t\u00e9rmico y a la corrosi\u00f3n, una resistencia mec\u00e1nica suficiente, un proceso de fabricaci\u00f3n econ\u00f3mico, es m\u00e1s respetuoso con el medio ambiente que las tecnolog\u00edas existentes y tiene una baja densidad.<\/p>\n

El material de espuma cer\u00e1mica presenta una estructura de c\u00e9lula abierta en la que se distribuyen huecos interconectados rodeados por una malla de material cer\u00e1mico. Esta estructura se utiliza habitualmente para la filtraci\u00f3n de metal fundido y se conoce en el sector como \u00abespuma cer\u00e1mica\u00bb.<\/p>\n

Caracter\u00edsticas del filtro cer\u00e1mico de espuma para la fundici\u00f3n de aluminio<\/strong><\/p>\n

1. Alta resistencia al choque t\u00e9rmico: el material no debe agrietarse ni desprenderse durante el precalentamiento ni al entrar en contacto con el metal fundido. El material debe tener un bajo coeficiente de expansi\u00f3n t\u00e9rmica para minimizar la tensi\u00f3n de compresi\u00f3n transversal cuando se encuentra en la cubeta del filtro.
\n2. Resistencia a la corrosi\u00f3n: El material del filtro no debe reaccionar de forma significativa dentro del rango de aplicaci\u00f3n previsto (tiempo, temperatura, contenido de aleaci\u00f3n) y debe evitarse que entre en contacto con el aluminio fundido y sus aleaciones habituales.
\n3. Resistencia suficiente a la flexi\u00f3n y a la compresi\u00f3n.
\n4. Econom\u00eda de la producci\u00f3n.
\n5. El material filtrante usado debe manipularse y eliminarse de forma segura.
\n6. Baja densidad o peso ligero, lo que resulta pr\u00e1ctico para el operario del foso de fundici\u00f3n.<\/p>\n

\"\"<\/p>\n

La tasa de expansi\u00f3n t\u00e9rmica del filtro de espuma cer\u00e1mica se sit\u00faa en el intervalo de 1,5-7,5\u00d710\u207b\u2076 mm\/\u2103. En condiciones normales de uso, se ha demostrado que el filtro de espuma cer\u00e1mica resiste el ataque qu\u00edmico de la aleaci\u00f3n de aluminio fundido. El filtro de espuma cer\u00e1mica es ligero y, preferiblemente, tiene una densidad de entre 0,25 y 0,40 g\/cc.<\/p>\n

La espuma cer\u00e1mica es una espuma resistente fabricada a partir de cer\u00e1mica. Las t\u00e9cnicas de fabricaci\u00f3n consisten en impregnar internamente espumas polim\u00e9ricas de c\u00e9lula abierta con una pasta cer\u00e1mica y, a continuaci\u00f3n, cocerlas en un horno, de modo que solo quede el material cer\u00e1mico. Estas espumas pueden estar compuestas por diversos materiales cer\u00e1micos, como el \u00f3xido de aluminio \u2014una cer\u00e1mica habitual para altas temperaturas\u2014, y obtienen sus propiedades aislantes de los numerosos y diminutos poros llenos de aire que hay en su interior.<\/p>\n

Filtros de espuma cer\u00e1mica de al\u00famina<\/a> Se utilizan principalmente para la filtraci\u00f3n de aluminio y aleaciones en fundiciones y salas de colada. Gracias a su excelente resistencia al ataque y a la corrosi\u00f3n provocados por el aluminio fundido, el filtro puede eliminar eficazmente las inclusiones, reducir el gas atrapado y proporcionar un flujo laminar, con lo que el metal filtrado queda considerablemente m\u00e1s limpio. Un metal m\u00e1s limpio se traduce en piezas de fundici\u00f3n de mayor calidad, menos desechos y menos defectos por inclusiones, lo que contribuye a aumentar los beneficios netos.<\/p>","protected":false},"excerpt":{"rendered":"

AdTech provides a foam ceramic filter for aluminum casting, which has high thermal shock resistance, high corrosion resistance, sufficient strength, economical production, is more environmentally…<\/p>","protected":false},"author":1,"featured_media":10668,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-10667","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter"],"yoast_head":"\nFoam Ceramic Filter for Aluminum Casting, Molten Metal Filtration<\/title>\n<meta name=\"description\" content=\"AdTech provides a foam ceramic filter for aluminum casting, which has high thermal shock resistance, high corrosion resistance.\" \/>\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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