{"id":11584,"date":"2021-11-30T05:54:04","date_gmt":"2021-11-30T05:54:04","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11584"},"modified":"2021-11-30T05:54:04","modified_gmt":"2021-11-30T05:54:04","slug":"filter-material","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/filter-material\/","title":{"rendered":"Material do filtro"},"content":{"rendered":"<p>O filtro deve ser capaz de assumir uma forma geom\u00e9trica adequada. Al\u00e9m disso, o material do filtro deve possuir resist\u00eancia mec\u00e2nica e qu\u00edmica espec\u00edficas para atender \u00e0s condi\u00e7\u00f5es de filtragem.<\/p>\n<p>O filtro pode ser fabricado a partir de uma esponja moldada no tamanho desejado. A esponja pode ser utilizada como meio filtrante para reter part\u00edculas do alum\u00ednio fundido.<\/p>\n<p>Para aumentar a efic\u00e1cia do filtro, pode-se aplicar nele um revestimento que se torne viscoso \u00e0 temperatura do alum\u00ednio fundido.<\/p>\n<p>No modo de filtragem, o revestimento (como o borossilicato) ou os materiais de ponto quente de baixa temperatura (como os materiais \u00e0 base de vidro) podem ser infiltrados e filtrados. Quando as part\u00edculas na massa fundida entram em contato com o revestimento do dispositivo, elas impedem que as part\u00edculas do filtro se soltem e contaminem a massa fundida.<\/p>\n<p>Para quem est\u00e1 familiarizado com os materiais refrat\u00e1rios utilizados para conter o alum\u00ednio fundido e suas ligas, o uso de part\u00edculas de alumina em <a href=\"http:\/\/www.alalloycasting.com\/pt\/cast-ceramic-foam-filters\/\">filtros de espuma cer\u00e2mica<\/a> parece ser uma escolha \u00f3bvia. A alumina \u00e9 relativamente inerte quimicamente no alum\u00ednio fundido e \u00e9 um componente comum em ligas, inclusive aquelas que cont\u00eam magn\u00e9sio. Tamb\u00e9m \u00e9 amplamente utilizada como material particulado em materiais refrat\u00e1rios empregados em fornos para fundir e manter ligas de alum\u00ednio fundidas.<\/p>\n<p>A AdTech fornece um filtro de alumina para alum\u00ednio fundido, que apresenta alta resist\u00eancia ao choque t\u00e9rmico, alta resist\u00eancia \u00e0 corros\u00e3o, resist\u00eancia mec\u00e2nica suficiente, produ\u00e7\u00e3o econ\u00f4mica, \u00e9 mais ecol\u00f3gico do que as tecnologias existentes e possui baixa densidade. O filtro de espuma cer\u00e2mica comprovadamente resiste ao ataque qu\u00edmico da liga de alum\u00ednio fundido. O filtro de espuma cer\u00e2mica \u00e9 leve e, de prefer\u00eancia, possui uma densidade de cerca de 0,25 a 0,40 g\/cc.<\/p>\n<p>O filtro de espuma cer\u00e2mica de alumina \u00e9 utilizado principalmente para a filtragem de alum\u00ednio fundido e ligas de alum\u00ednio em fundi\u00e7\u00f5es e salas de fundi\u00e7\u00e3o. Gra\u00e7as \u00e0 sua excelente resist\u00eancia ao ataque e \u00e0 corros\u00e3o causados pelo alum\u00ednio fundido, esses filtros conseguem remover inclus\u00f5es de forma eficaz, reduzir o g\u00e1s retido e proporcionar um fluxo laminar, resultando em um metal filtrado significativamente mais limpo. Um metal mais limpo resulta em pe\u00e7as fundidas de maior qualidade, menos refugo e menos defeitos por inclus\u00f5es, fatores que contribuem para o lucro l\u00edquido.<\/p>","protected":false},"excerpt":{"rendered":"<p>The filter must be able to form a suitable geometric shape. In addition, the filter material must have unique strength and chemical resistance to filter&hellip;<\/p>","protected":false},"author":1,"featured_media":11586,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12999,12998],"class_list":["post-11584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-alumina-ceramic-foam-filter-for-foundry","tag-filter-material"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Filter Material, Alumina Ceramic Foam Filter for Foundry<\/title>\n<meta name=\"description\" content=\"The filter must be able to form a suitable geometric shape. The filter material must have unique strength and chemical resistance.\" \/>\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\/filter-material\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filter Material, Alumina Ceramic Foam Filter for Foundry\" \/>\n<meta property=\"og:description\" content=\"The filter must be able to form a suitable geometric shape. 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