{"id":11267,"date":"2021-11-18T09:04:27","date_gmt":"2021-11-18T09:04:27","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11267"},"modified":"2021-11-18T09:04:27","modified_gmt":"2021-11-18T09:04:27","slug":"metal-filtration-with-ceramic-filters","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/metal-filtration-with-ceramic-filters\/","title":{"rendered":"Filtragem de metais com filtros cer\u00e2micos"},"content":{"rendered":"<p>A filtragem do metal fundido requer o uso de filtros de cer\u00e2mica espumosa, que garantem a remo\u00e7\u00e3o de todas as impurezas do metal fundido.<\/p>\n<p>O metal fundido, especialmente o alum\u00ednio fundido, na verdade costuma conter s\u00f3lidos arrastados que s\u00e3o prejudiciais ao produto final fundido. Esses s\u00f3lidos arrastados aparecem no produto final fundido como inclus\u00f5es ap\u00f3s a solidifica\u00e7\u00e3o do metal fundido e resultam em baixa ductilidade ou em acabamento e propriedades de anodiza\u00e7\u00e3o insatisfat\u00f3rios do produto final.<\/p>\n<p>As inclus\u00f5es podem ter diversas origens. Por exemplo, elas podem provir de camadas de \u00f3xido superficiais, que s\u00e3o destru\u00eddas e arrastadas para o metal fundido resultante. Al\u00e9m disso, as inclus\u00f5es podem ter origem em impurezas insol\u00faveis, como carbonetos, boretos ou refrat\u00e1rios corro\u00eddos do forno.<\/p>\n<p>A filtragem de metal fundido com filtros cer\u00e2micos pode garantir a purifica\u00e7\u00e3o do metal. A porosidade \u00e9 a porcentagem do espa\u00e7o poroso no filtro. Esses componentes porosos desempenham um papel muito importante em todo o processo; por isso, devem apresentar propriedades padronizadas.<\/p>\n<p>A quantidade de mat\u00e9ria-prima utilizada no processo de purifica\u00e7\u00e3o \u00e9 muito elevada, pois realizar o processo em pequenas quantidades n\u00e3o \u00e9 uma solu\u00e7\u00e3o economicamente vi\u00e1vel. Portanto, uma grande quantidade de solu\u00e7\u00e3o met\u00e1lica \u00e9 derramada sobre esses filtros, de modo que eles devem possuir alta resist\u00eancia \u00e0 compress\u00e3o para funcionar sem sofrer danos.<\/p>\n<p>Da Adtech\u2019s <a href=\"http:\/\/www.alalloycasting.com\/pt\/foundry-ceramic-filter\/\">filtro cer\u00e2mico para fundi\u00e7\u00e3o<\/a> \u00e9 um material de baixo custo que pode ser facilmente utilizado uma \u00fanica vez. O filtro de espuma cer\u00e2mica de alumina \u00e9 particularmente adequado para a filtragem de metal fundido, especialmente alum\u00ednio fundido. A resist\u00eancia a altas temperaturas dos filtros da Adtech \u00e9 particularmente \u00fatil na filtragem de metal fundido. Al\u00e9m disso, a composi\u00e7\u00e3o dos filtros cer\u00e2micos da Adtech n\u00e3o contamina os metais.<\/p>\n<p>A se\u00e7\u00e3o transversal horizontal do filtro cer\u00e2mico pode ter qualquer formato desejado, sendo geralmente quadrada. A junta do filtro de espuma cer\u00e2mica permite fixar e vedar o filtro na posi\u00e7\u00e3o correta do equipamento de filtragem met\u00e1lico, de modo a impedir que o metal fundido envolva o filtro.<\/p>","protected":false},"excerpt":{"rendered":"<p>The molten metal filtration requires foam ceramic filters can ensure that all impurities are removed from the metal melt. Molten metal, especially molten aluminum, in&hellip;<\/p>","protected":false},"author":1,"featured_media":11268,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[1453,12821],"class_list":["post-11267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","tag-foundry-filter","tag-metal-filtration-with-ceramic-filters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metal Filtration with Ceramic Filters, Foundry Filter<\/title>\n<meta name=\"description\" content=\"The molten metal filtration requires foam ceramic filters for casting can ensure that all impurities are removed from the metal melt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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