Filtros de espuma cer\u00e2mica<\/a> possuem a mesma forma inerente \u00e0 espuma de poli\u00e9ster de c\u00e9lula aberta de base. S\u00e3o muito eficientes, apresentam uma estrutura de c\u00e9lula aberta semelhante a uma rede, possuem uma porosidade muito elevada \u2014 superior a 90% \u2014 e uma \u00e1rea superficial muito grande para reter inclus\u00f5es. O filtro de espuma cer\u00e2mica \u00e9 fabricado por meio da impregna\u00e7\u00e3o do meio de espuma b\u00e1sico com pasta cer\u00e2mica e da queima a uma temperatura muito alta. Nesse processo, o meio de espuma b\u00e1sico \u00e9 decomposto, e a estrutura esquel\u00e9tica cer\u00e2mica permanece intacta. Nesses filtros, o metal fundido percorre um caminho sinuoso para remover inclus\u00f5es muito pequenas, que s\u00e3o atra\u00eddas e adsorvidas pela superf\u00edcie dos poros cer\u00e2micos internos.<\/p>\n![\"Filtro](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/10\/Ceramic-Foam-Filter-for-Metal-Casting.jpg\")
<\/p>\n
Os filtros de espuma cer\u00e2mica s\u00e3o utilizados para filtrar metais fundidos, como alum\u00ednio, ferro fundido, cobre, a\u00e7o e suas ligas. Esses metais no estado fundido incluem materiais met\u00e1licos e n\u00e3o met\u00e1licos. Com o aumento da demanda por produtos de alum\u00ednio de alta qualidade, a filtragem com CFF tem se mostrado um m\u00e9todo ideal para melhorar a qualidade do metal. Os filtros de espuma cer\u00e2mica oferecem um m\u00e9todo simples, confi\u00e1vel e econ\u00f4mico para remover inclus\u00f5es. A filtragem com CFF \u00e9 um complemento ao tratamento do metal dentro do forno, como a fluxagem e a desgaseifica\u00e7\u00e3o ou a filtragem em linha.<\/p>\n
O filtro de espuma cer\u00e2mica possui uma junta nas bordas para ajudar a encaix\u00e1-lo na caixa de filtro e garantir que nenhum metal contorne o filtro. Existem diferentes tipos de junta dispon\u00edveis, como a junta de fibra e a junta expans\u00edvel. Al\u00e9m disso, \u00e9 poss\u00edvel optar por filtros de espuma cer\u00e2mica sem a junta.<\/p>","protected":false},"excerpt":{"rendered":"
Ceramic foam filtration is widely used to remove non-metallic inclusions in molten metal. Ceramic foam filters (CFF) have been used commercially in the aluminum foundry…<\/p>","protected":false},"author":1,"featured_media":10631,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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