{"id":8162,"date":"2021-03-30T07:29:47","date_gmt":"2021-03-30T07:29:47","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8162"},"modified":"2021-03-30T07:29:47","modified_gmt":"2021-03-30T07:29:47","slug":"sintered-ceramic-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/sintered-ceramic-filter\/","title":{"rendered":"Filtro de cer\u00e2mica sinterizada"},"content":{"rendered":"

O filtro de cer\u00e2mica sinterizada permite obter uma \u00e1rea superficial interna maior e potencializar o efeito da filtra\u00e7\u00e3o em leito profundo. Ao reduzir o tamanho dos poros do filtro, \u00e9 poss\u00edvel aumentar facilmente a efici\u00eancia da filtra\u00e7\u00e3o do alum\u00ednio fundido, ampliando assim a \u00e1rea superficial interna.<\/p>\n

A estrutura em malha do filtro de espuma cer\u00e2mica proporciona uma grande \u00e1rea de superf\u00edcie interna e uma filtragem em leito profundo aprimorada. Ao reduzir o tamanho dos poros do filtro, aumentando assim a \u00e1rea de superf\u00edcie interna, \u00e9 f\u00e1cil melhorar a efici\u00eancia da filtragem.<\/p>\n

A filtra\u00e7\u00e3o por bolo de filtro ocorre principalmente quando as inclus\u00f5es capturadas anteriormente impedem que as inclus\u00f5es restantes entrem na estrutura do filtro. A filtra\u00e7\u00e3o por bolo de filtro precisa conter inclus\u00f5es capazes de bloquear efetivamente a entrada do material filtrante. Filtros de malha e espuma cer\u00e2mica podem ser utilizados como filtros de bolo com muitas inclus\u00f5es.<\/p>\n

O filtro de cer\u00e2mica sinterizada oferece diversos benef\u00edcios importantes para melhorar a qualidade das pe\u00e7as fundidas de alum\u00ednio de alta qualidade.
\n*Melhorar as propriedades mec\u00e2nicas.
\n*Reduz os sinais de penetra\u00e7\u00e3o da tintura.
\nA incid\u00eancia de achados radiogr\u00e1ficos de estruturas n\u00e3o met\u00e1licas diminuiu.
\n*Reduzir retrabalho\/desperd\u00edcio.
\n*Melhorar o desempenho do processamento.<\/p>\n

A instala\u00e7\u00e3o de um filtro de cer\u00e2mica sinterizada no sistema de fundi\u00e7\u00e3o pode proteger as pe\u00e7as fundidas de alum\u00ednio contra materiais n\u00e3o met\u00e1licos prejudiciais.<\/p>\n

\"Filtro<\/p>\n

Embora tenham sido adotados apenas por fundi\u00e7\u00f5es de alum\u00ednio desde o final da d\u00e9cada de 1970, os filtros de espuma cer\u00e2mica s\u00e3o cada vez mais utilizados para impedir que materiais n\u00e3o met\u00e1licos entrem na cavidade, o que tem levado \u00e0 demanda por pe\u00e7as fundidas de alta qualidade no mercado atual.<\/p>\n

O filtro de espuma cer\u00e2mica<\/a> foi originalmente desenvolvido para a produ\u00e7\u00e3o de ligas de alum\u00ednio forjadas. Essas ligas de alum\u00ednio forjadas s\u00e3o utilizadas em aplica\u00e7\u00f5es de produtos com requisitos rigorosos (como latas de alum\u00ednio e materiais para tampas, folha de alum\u00ednio, extrus\u00f5es para aeronaves, discos de mem\u00f3ria, materiais para forjamento e fios met\u00e1licos). \u00c9 exigido um alto grau de pureza. A primeira aplica\u00e7\u00e3o na ind\u00fastria de fundi\u00e7\u00e3o foi em pe\u00e7as fundidas de alum\u00ednio de alta qualidade para aplica\u00e7\u00f5es aeroespaciais. Desde ent\u00e3o, sua utiliza\u00e7\u00e3o se expandiu para fundi\u00e7\u00f5es comerciais e aplica\u00e7\u00f5es automotivas.<\/p>\n

A filtra\u00e7\u00e3o reduz efetivamente o n\u00edvel de inclus\u00f5es e o consequente efeito de entalhe causado por elas. As t\u00e9cnicas tradicionais de remo\u00e7\u00e3o de inclus\u00f5es s\u00e3o ineficazes, e o uso de barreiras de metal ou fibra n\u00e3o \u00e9 suficiente para manter os metais afastados dos n\u00e3o-metais prejudiciais.<\/p>\n

Pe\u00e7as fundidas de alta qualidade costumam limitar a aceitabilidade dos defeitos superficiais detectados na inspe\u00e7\u00e3o por penetra\u00e7\u00e3o de corante. Estudos demonstraram que o n\u00edvel desses defeitos \u00e9 reduzido quando se utiliza a filtragem por espuma cer\u00e2mica. Observou-se que as indica\u00e7\u00f5es s\u00e3o significativamente reduzidas ou completamente eliminadas.<\/p>","protected":false},"excerpt":{"rendered":"

Sintered Ceramic Filter can achieve a larger internal surface area and enhance the effect of deep bed filtration. By reducing the pore size of the…<\/p>","protected":false},"author":1,"featured_media":8163,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-8162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter"],"yoast_head":"\nSintered Ceramic Filter,Ceramic Foam Filter for Casting<\/title>\n<meta name=\"description\" content=\"Sintered Ceramic Filter can achieve a deep bed filtration, can protect aluminum castings from harmful non-metallic materials.\" \/>\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\/sintered-ceramic-filter\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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