{"id":9023,"date":"2021-06-01T06:44:16","date_gmt":"2021-06-01T06:44:16","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9023"},"modified":"2021-05-31T07:10:13","modified_gmt":"2021-05-31T07:10:13","slug":"flux-slag-removal","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/flux-slag-removal\/","title":{"rendered":"Remo\u00e7\u00e3o de esc\u00f3ria de fluxo"},"content":{"rendered":"<p>A remo\u00e7\u00e3o da esc\u00f3ria de fundente baseia-se no uso de compostos complexos formados por impurezas e fundentes. Isso porque, quando os \u00f3xidos presentes no alum\u00ednio fundido apresentam uma forte for\u00e7a de liga\u00e7\u00e3o com o fundente, sob determinadas condi\u00e7\u00f5es de temperatura, eles podem interagir para formar um sal duplo com menor densidade, ponto de fus\u00e3o mais baixo e f\u00e1cil separa\u00e7\u00e3o do metal. A esc\u00f3ria \u00e9 removida da superf\u00edcie do alum\u00ednio fundido. A remo\u00e7\u00e3o da esc\u00f3ria por fundente \u00e9 realizada principalmente na superf\u00edcie do metal fundido.<\/p>\n<p>As inclus\u00f5es n\u00e3o met\u00e1licas do alum\u00ednio fundido referem-se principalmente ao \u00f3xido de alum\u00ednio. Ele apresenta propriedades de alta densidade e resist\u00eancia. Seja no estado s\u00f3lido ou l\u00edquido, forma facilmente uma camada protetora s\u00f3lida e firmemente aderida \u00e0 superf\u00edcie. A pel\u00edcula de \u00f3xido de alum\u00ednio no estado fundido se transforma facilmente em uma pel\u00edcula fina quando submetida a impactos, causando os maiores danos. A alumina tem densidade de apenas 2,3-2,4 g\/cm\u00b3 em alta temperatura, o que \u00e9 quase igual \u00e0 densidade da solu\u00e7\u00e3o de alum\u00ednio. Portanto, no alum\u00ednio fundido, elas est\u00e3o, na verdade, em estado de suspens\u00e3o. Uma vez que a esc\u00f3ria oxidada se mistura \u00e0 tira laminada fundida durante o processo de solidifica\u00e7\u00e3o, ela n\u00e3o consegue se dissolver na liga de alum\u00ednio nem formar um composto intermedi\u00e1rio com outros elementos. Ela s\u00f3 pode se distribuir nos limites dos gr\u00e3os no estado s\u00f3lido, destruindo assim a for\u00e7a de liga\u00e7\u00e3o entre os gr\u00e3os. Devido \u00e0 exist\u00eancia desse tipo de esc\u00f3ria oxidada que destr\u00f3i a for\u00e7a de liga\u00e7\u00e3o intercristalina, ela causa muitos danos, reduz o desempenho do processo durante o processamento sob press\u00e3o, faz com que o metal se estratifique durante o processamento e produza trincas; torna a resist\u00eancia do produto inst\u00e1vel e a taxa de alongamento \u00e9 bastante reduzida.<\/p>\n<p>AdTech <a href=\"http:\/\/www.alalloycasting.com\/pt\/oxide-removal-flux\/\">fluxo para remo\u00e7\u00e3o de \u00f3xido<\/a> \u00c9 branco, com part\u00edculas finas e pulverulentas, levemente acinzentadas. O fluxo para remo\u00e7\u00e3o de \u00f3xidos auxilia na fundi\u00e7\u00e3o cont\u00ednua de ligas de alum\u00ednio, melhorando a qualidade e a produ\u00e7\u00e3o, prolongando a vida \u00fatil do forno e reduzindo o trabalho manual; \u00e9 indicado para a fundi\u00e7\u00e3o de ligas de alum\u00ednio de v\u00e1rias s\u00e9ries no forno. Os principais ingredientes s\u00e3o o cloreto e a villiaumita, juntamente com outros compostos. Ap\u00f3s tratamento t\u00e9rmico adequado e peneiramento, ele assume um tamanho uniforme. Pulverize-o com g\u00e1s a partir de um recipiente como ve\u00edculo, espalhando-o no forno, na parede do forno e na esc\u00f3ria dura no fundo, para garantir a limpeza do forno durante a fundi\u00e7\u00e3o de ligas de m\u00faltiplas s\u00e9ries.<\/p>","protected":false},"excerpt":{"rendered":"<p>Flux slag removal is based on the use of complex compounds formed by impurities and fluxes. Because when the oxides in the aluminum liquid have&hellip;<\/p>","protected":false},"author":1,"featured_media":9024,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9023","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>Flux Slag Removal for Molten Metal,Oxide Removal Flux<\/title>\n<meta name=\"description\" content=\"Flux slag removal is based on the use of complex compounds formed by impurities and fluxes, carried out on the surface of molten metal.\" \/>\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\/flux-slag-removal\/\" \/>\n<meta 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