{"id":9236,"date":"2021-06-19T08:14:26","date_gmt":"2021-06-19T08:14:26","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9236"},"modified":"2021-06-18T08:14:46","modified_gmt":"2021-06-18T08:14:46","slug":"aluminum-casting-ceramic-foam-filters","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-casting-ceramic-foam-filters\/","title":{"rendered":"Filtros de espuma cer\u00e2mica para fundi\u00e7\u00e3o de alum\u00ednio"},"content":{"rendered":"

Os filtros de espuma cer\u00e2mica fundidos em alum\u00ednio, especialmente projetados pela AdTech, s\u00e3o fabricados a partir da mat\u00e9ria-prima b\u00e1sica \u00f3xido de alum\u00ednio. S\u00e3o produzidos com porosidades que variam de 10 a 60 poros por polegada (PPI). Al\u00e9m disso, s\u00e3o oferecidos conjuntos combinados com porosidade de 20 a 30 PPI, sendo poss\u00edveis outras op\u00e7\u00f5es. S\u00e3o fabricados filtros de diferentes tamanhos e sob medida, de acordo com as especifica\u00e7\u00f5es.<\/p>\n

Caracter\u00edsticas dos filtros de espuma cer\u00e2mica para fundi\u00e7\u00e3o de alum\u00ednio:
\n\u2013 Uma estrutura de poros homog\u00eanea
\n\u2013 Alta resist\u00eancia superficial
\n\u2013 Resistente a temperaturas de at\u00e9 1.100 \u00b0C
\n\u2013 Excelente resist\u00eancia aos produtos qu\u00edmicos utilizados em fundi\u00e7\u00f5es<\/p>\n

Os filtros de espuma cer\u00e2mica para fundi\u00e7\u00e3o de alum\u00ednio s\u00e3o um produto avan\u00e7ado utilizado no refinamento secund\u00e1rio. Possuem uma estrutura porosa em rede. Com a deposi\u00e7\u00e3o cont\u00ednua de inclus\u00f5es fluidas, o tamanho dos poros da malha vai diminuindo cada vez mais, melhorando assim o efeito de filtragem.<\/p>\n

O tipo de filtragem met\u00e1lica CFF pode ser dividido em filtra\u00e7\u00e3o em leito profundo<\/a>, filtra\u00e7\u00e3o por bolo de filtro ou filtra\u00e7\u00e3o mista. A efici\u00eancia depende do PPI (poros por polegada) do material filtrante. Tamb\u00e9m est\u00e1 relacionada \u00e0 distribui\u00e7\u00e3o granulom\u00e9trica das part\u00edculas removidas. O PPI refere-se ao pl\u00e1stico utilizado na fabrica\u00e7\u00e3o de cer\u00e2micas espumadas. O n\u00famero de limites de poros encontrados por polegada pode ser calculado a partir do valor m\u00e9dio.<\/p>\n

Os par\u00e2metros de filtra\u00e7\u00e3o de\u00a0 Filtro de fundi\u00e7\u00e3o cer\u00e2mico<\/a> s\u00e3o a porosidade efetiva (ou seja, a porosidade que afeta efetivamente a porosidade), a tortuosidade do fluido, a \u00e1rea superficial espec\u00edfica e o tamanho dos poros.<\/p>\n

A filtragem do metal fundido exige boa estabilidade qu\u00edmica e excelente desempenho de filtragem, especialmente na captura e absor\u00e7\u00e3o de pequenas impurezas e res\u00edduos de filtragem com tamanho de 1 a 10 \u00b5m. A estrutura tridimensional do CFF pode melhorar significativamente a qualidade da pe\u00e7a fundida, transformando o fluxo turbulento do metal fundido em fluxo laminar, removendo gases e suavizando a superf\u00edcie da pe\u00e7a fundida.<\/p>\n

O processo de filtragem de metal da CFF tamb\u00e9m depende do tipo de liga, do refinador de gr\u00e3os, da taxa de fundi\u00e7\u00e3o, da temperatura do metal e assim por diante. A adi\u00e7\u00e3o de um refinador de gr\u00e3os antes do Filtro Cer\u00e2mico para Fundi\u00e7\u00e3o tem um efeito particularmente adverso sobre a efici\u00eancia da filtragem.<\/p>","protected":false},"excerpt":{"rendered":"

AdTech specially designed Aluminum Casting Ceramic Foam Filters are made of the basic raw material Aluminium Oxide. They are manufactured with porosities varying from 10…<\/p>","protected":false},"author":1,"featured_media":9237,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-9236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter"],"yoast_head":"\nAluminum Casting Ceramic Foam Filters -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"AdTech specially designed Aluminum Casting Ceramic Foam Filters are made of the basic raw material Aluminium Oxide, used for filtration.\" \/>\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\/pt\/aluminum-casting-ceramic-foam-filters\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" 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