{"id":7120,"date":"2020-12-20T08:52:06","date_gmt":"2020-12-20T08:52:06","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7120"},"modified":"2020-12-20T08:52:06","modified_gmt":"2020-12-20T08:52:06","slug":"aluminum-rotating-degassing","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-rotating-degassing\/","title":{"rendered":"Desgaseamento rotativo de alum\u00ednio"},"content":{"rendered":"<p>Devido ao seu baixo peso, o alum\u00ednio \u00e9 um metal amplamente utilizado. No entanto, durante a fundi\u00e7\u00e3o do alum\u00ednio, impurezas chamadas inclus\u00f5es podem criar pontos fracos no produto. Essas inclus\u00f5es causam defeitos estruturais nas pe\u00e7as fundidas de liga de alum\u00ednio. \u00c0 medida que a demanda por produtos de alum\u00ednio de alta qualidade continua a aumentar, especialmente na ind\u00fastria aeroespacial, a exig\u00eancia quanto \u00e0 qualidade dos produtos de liga de alum\u00ednio tamb\u00e9m cresce. Para remover as impurezas da massa fundida e obter um alum\u00ednio mais puro e de melhor qualidade, um dos m\u00e9todos de limpeza mais eficazes \u00e9 a desgaseifica\u00e7\u00e3o rotativa do alum\u00ednio. Portanto, as inclus\u00f5es de hidrog\u00eanio e n\u00e3o met\u00e1licas devem ser removidas do metal fundido em primeiro lugar.<\/p>\n<p>O alum\u00ednio fundido \u00e9 extremamente reativo; portanto, quando entra em contato com o ar \u00famido ou com ferramentas \u00famidas, a \u00e1gua se decomp\u00f5e, liberando hidrog\u00eanio na massa fundida. O g\u00e1s dissolvido desempenha um papel importante na distribui\u00e7\u00e3o e na quantidade de porosidade e retra\u00e7\u00e3o. A desgaseifica\u00e7\u00e3o do alum\u00ednio \u00e9 um processo utilizado para remover o hidrog\u00eanio e outras impurezas s\u00f3lidas do alum\u00ednio fundido. A desgaseifica\u00e7\u00e3o do alum\u00ednio pode prevenir e minimizar a introdu\u00e7\u00e3o de hidrog\u00eanio no material fundido, al\u00e9m de remover o hidrog\u00eanio antes da fundi\u00e7\u00e3o.<\/p>\n<p>A AdTech desenvolveu um <a href=\"http:\/\/www.alalloycasting.com\/pt\/online-degassing-device\/\">dispositivo de desgaseifica\u00e7\u00e3o online<\/a> por meio do uso de diversos sistemas de desgaseifica\u00e7\u00e3o de ligas de alum\u00ednio para remover gases e inclus\u00f5es. A principal fun\u00e7\u00e3o do sistema de desgaseifica\u00e7\u00e3o em linha \u00e9 remover o hidrog\u00eanio dissolvido no metal fundido, e sua fun\u00e7\u00e3o secund\u00e1ria \u00e9 remover metais alcalinos e inclus\u00f5es. A escolha do equipamento de desgaseifica\u00e7\u00e3o em linha est\u00e1 relacionada \u00e0 fun\u00e7\u00e3o do produto final fundido.<\/p>\n<p>Princ\u00edpio da desgaseifica\u00e7\u00e3o rotativa do alum\u00ednio: o g\u00e1s inerte (nitrog\u00eanio ou arg\u00f4nio) \u00e9 conduzido at\u00e9 o metal no forno por meio do rotor oco de grafite. O impulsor do rotor consegue romper com efic\u00e1cia as pequenas bolhas. Os metais alcalinos, as inclus\u00f5es e o hidrog\u00eanio s\u00e3o removidos diretamente do forno em um curto tempo de rea\u00e7\u00e3o. Al\u00e9m disso, devido \u00e0 agita\u00e7\u00e3o do rotor, a uniformidade da temperatura e da composi\u00e7\u00e3o qu\u00edmica do metal no forno \u00e9 melhor.<\/p>","protected":false},"excerpt":{"rendered":"<p>In view of its light weight, aluminum is a frequently used metal. However, when casting aluminum, impurities called inclusions can create weak points in the&hellip;<\/p>","protected":false},"author":1,"featured_media":7121,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7120","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminum Rotating Degassing with Oline Degassing Unit<\/title>\n<meta name=\"description\" content=\"In order to remove impurities from the melt to provide cleaner aluminum, one of the most effective methods is aluminum rotating degassing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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