{"id":8729,"date":"2021-05-11T05:50:37","date_gmt":"2021-05-11T05:50:37","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8729"},"modified":"2021-05-11T05:50:37","modified_gmt":"2021-05-11T05:50:37","slug":"metal-foundry-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/metal-foundry-filter\/","title":{"rendered":"Filtro para fundi\u00e7\u00e3o de metais"},"content":{"rendered":"

O filtro de espuma cer\u00e2mica para fundi\u00e7\u00e3o de metais foi projetado para a fundi\u00e7\u00e3o em molde. Gra\u00e7as ao mecanismo de forma\u00e7\u00e3o do \u201cbolo de filtra\u00e7\u00e3o\u201d no lado de entrada do filtro e \u00e0 filtra\u00e7\u00e3o em profundidade dentro da matriz cer\u00e2mica, esses filtros de espuma cer\u00e2mica s\u00e3o um instrumento eficaz para garantir a pureza metal\u00fargica do metal fundido durante o processo de fundi\u00e7\u00e3o. Os filtros tamb\u00e9m facilitam o preenchimento do molde, evitando assim a forma\u00e7\u00e3o de defeitos indesej\u00e1veis na pe\u00e7a fundida.<\/p>\n

As caracter\u00edsticas dos filtros de espuma cer\u00e2mica para fundi\u00e7\u00e3o de metais s\u00e3o determinadas pela estrutura 3D aberta da matriz cer\u00e2mica, criada pelo sistema de c\u00e9lulas interconectadas entre si. Eles se caracterizam por uma excelente condutividade t\u00e9rmica, estabilidade e resist\u00eancia a mudan\u00e7as bruscas de temperatura.<\/p>\n

O filtro de espuma cer\u00e2mica para fundi\u00e7\u00e3o de metais \u00e9 utilizado principalmente no processo de purifica\u00e7\u00e3o do alum\u00ednio e de ligas de alum\u00ednio. Com a crescente demanda por produtos de alum\u00ednio de qualidade cada vez superior, a aplica\u00e7\u00e3o de filtros de espuma cer\u00e2mica de alumina ser\u00e1 cada vez mais ampla.<\/p>\n

\"Laminagem<\/p>\n

Filtragem com filtros de espuma cer\u00e2mica<\/a> pode melhorar a qualidade das pe\u00e7as fundidas de alum\u00ednio de alta qualidade.<\/p>\n

A presen\u00e7a de inclus\u00f5es n\u00e3o met\u00e1licas \u00e9 prejudicial \u00e0 produ\u00e7\u00e3o de pe\u00e7as fundidas de alta qualidade. As elevadas propriedades mec\u00e2nicas que podem ser alcan\u00e7adas s\u00e3o um aspecto fundamental que se perde facilmente na presen\u00e7a de inclus\u00f5es e camadas de \u00f3xido. As propriedades mec\u00e2nicas das ligas de alum\u00ednio de alta resist\u00eancia s\u00e3o muito sens\u00edveis a entalhes ou imperfei\u00e7\u00f5es na pe\u00e7a fundida. A filtragem reduz efetivamente os n\u00edveis de inclus\u00f5es e os efeitos de entalhe subsequentes causados por elas. As t\u00e9cnicas convencionais para tentar remover inclus\u00f5es s\u00e3o ineficazes, e o uso de telas met\u00e1licas ou de fibra n\u00e3o \u00e9 suficiente para manter o metal verdadeiramente livre de materiais n\u00e3o met\u00e1licos prejudiciais.<\/p>\n

As pe\u00e7as fundidas de qualidade premium geralmente imp\u00f5em restri\u00e7\u00f5es quanto \u00e0 aceitabilidade de defeitos superficiais revelados pela inspe\u00e7\u00e3o por penetra\u00e7\u00e3o de corante. Pesquisas demonstraram que o n\u00edvel desses defeitos \u00e9 reduzido quando se utiliza a filtragem por espuma cer\u00e2mica.<\/p>\n

Outro benef\u00edcio decorrente do uso de filtros de espuma cer\u00e2mica \u00e9 a redu\u00e7\u00e3o da evid\u00eancia de materiais n\u00e3o met\u00e1licos em exames de raios X. A presen\u00e7a de defeitos detectados por raios X nessas circunst\u00e2ncias costuma ser o motivo para a rejei\u00e7\u00e3o de pe\u00e7as fundidas de alto custo. O benef\u00edcio mais significativo \u00e9 a redu\u00e7\u00e3o dos defeitos vis\u00edveis nas \u00e1reas consideradas \u201cestruturalmente cr\u00edticas\u201d.\u201d<\/p>","protected":false},"excerpt":{"rendered":"

Ceramic foam filter for metal foundry is designed for mold-casting metal. Thanks to the mechanism of creation of the \u201cfilter cake\u201d on the inlet filter…<\/p>","protected":false},"author":1,"featured_media":8741,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nMetal Foundry Filter used for Aluminum Alloy Purification<\/title>\n<meta name=\"description\" content=\"Ceramic foam filter for metal foundry is mainly used in the production of the aluminum and aluminum alloy purification process.\" \/>\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\/metal-foundry-filter\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" 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