{"id":12357,"date":"2022-01-22T07:24:33","date_gmt":"2022-01-22T07:24:33","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12357"},"modified":"2022-02-28T08:02:24","modified_gmt":"2022-02-28T08:02:24","slug":"flux-for-melting-aluminium","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/flux-for-melting-aluminium\/","title":{"rendered":"Fluxo para fus\u00e3o de alum\u00ednio"},"content":{"rendered":"

O fundente para fus\u00e3o de alum\u00ednio \u00e9 uma subst\u00e2ncia s\u00f3lida (geralmente uma mistura de sais de cloreto e fluoreto) utilizada em fundi\u00e7\u00f5es de alum\u00ednio para reduzir a oxida\u00e7\u00e3o do metal fundido, minimizar a penetra\u00e7\u00e3o de hidrog\u00eanio atmosf\u00e9rico, e absorver inclus\u00f5es n\u00e3o met\u00e1licas suspensas no metal fundido, manter as paredes do forno\/panela livres de ac\u00famulo de \u00f3xidos, reduzir o teor de alum\u00ednio arrastado na esc\u00f3ria de alum\u00ednio, remover o hidrog\u00eanio dissolvido no metal fundido, refinar os gr\u00e3os de alum\u00ednio durante a solidifica\u00e7\u00e3o, modificar as inclus\u00f5es de sil\u00edcio em ligas que cont\u00eam sil\u00edcio e oxidar o excesso de magn\u00e9sio.<\/p>\n

No processo de fundi\u00e7\u00e3o do alum\u00ednio e das ligas de alum\u00ednio, as inclus\u00f5es de hidrog\u00eanio e \u00f3xido s\u00e3o as principais subst\u00e2ncias que contaminam a massa fundida de alum\u00ednio. O alum\u00ednio forma facilmente Al\u2082O\u2083 ou alumina secund\u00e1ria (Al\u2082O e AlO) com o oxig\u00eanio e tamb\u00e9m absorve facilmente g\u00e1s (H), que representa 70-90% do g\u00e1s total no alum\u00ednio fundido.<\/p>\n

Os principais defeitos das ligas de alum\u00ednio fundido s\u00e3o causados por part\u00edculas s\u00f3lidas, como poros e inclus\u00f5es de esc\u00f3ria. Portanto, para se obter uma massa fundida de alta qualidade, n\u00e3o s\u00f3 \u00e9 necess\u00e1rio escolher o processo de fundi\u00e7\u00e3o correto e adequado, como tamb\u00e9m o refinamento e a purifica\u00e7\u00e3o da massa fundida s\u00e3o de grande import\u00e2ncia.<\/p>\n

\"Fluxo<\/p>\n

Fluxo granular<\/a> \u00c9 um aditivo novo, eficiente e ecologicamente correto. \u00c9 utilizado no processo de refino secund\u00e1rio da fundi\u00e7\u00e3o e da moldagem de ligas de alum\u00ednio. O teor de hidrog\u00eanio reduz a perda de alum\u00ednio.<\/p>\n

Diferente do tradicional fluxo em p\u00f3<\/a>, o fluxo granular de liga de alum\u00ednio apresenta vantagens t\u00e9cnicas evidentes e benef\u00edcios econ\u00f4micos. Ao mesmo tempo, durante a rea\u00e7\u00e3o com o alum\u00ednio fundido, o g\u00e1s liberado pelo fluxo granular n\u00e3o \u00e9 t\u00f3xico e gera pouca emiss\u00e3o de gases de exaust\u00e3o, o que melhora significativamente o ambiente de produ\u00e7\u00e3o.<\/p>\n

Com base nas vantagens acima mencionadas, os fundentes granulares de liga de alum\u00ednio t\u00eam atra\u00eddo cada vez mais aten\u00e7\u00e3o no setor e apresentam uma tend\u00eancia de substituir gradualmente os fundentes em p\u00f3 tradicionais.<\/p>\n

AdTech detalhado fundente para a fus\u00e3o de alum\u00ednio<\/a> Est\u00e1 dispon\u00edvel em duas especifica\u00e7\u00f5es: PM02 e PM06. Apresenta-se na forma de gr\u00e2nulos brancos (ligeiramente acinzentados). Adota uma tecnologia exclusiva para melhorar efetivamente a remo\u00e7\u00e3o de gases, esc\u00f3rias e metais alcalinos do metal fundido.<\/p>","protected":false},"excerpt":{"rendered":"

Flux for Melting Aluminium is a solid substance (usually a mixture of chloride and fluoride salts) used in aluminum foundries to reduce melt oxidation, minimize…<\/p>","protected":false},"author":1,"featured_media":12358,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[13181,13180],"class_list":["post-12357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluxes","tag-aluminum-alloy-granular-fluxes","tag-flux-for-melting-aluminium"],"yoast_head":"\nFlux for Melting Aluminium, Aluminum Alloy Granular Fluxes<\/title>\n<meta name=\"description\" content=\"Flux for Melting Aluminium is a solid substance (mixture of chloride and fluoride salts) used in aluminum foundries to reduce oxidation.\" \/>\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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