{"id":9349,"date":"2021-06-27T06:27:52","date_gmt":"2021-06-27T06:27:52","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9349"},"modified":"2021-06-25T06:33:50","modified_gmt":"2021-06-25T06:33:50","slug":"aluminum-alloy-refining-flux","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/aluminum-alloy-refining-flux\/","title":{"rendered":"Flux d'affinage des alliages d'aluminium"},"content":{"rendered":"

Le flux d'affinage des alliages d'aluminium est constitu\u00e9 de particules pulv\u00e9rulentes qui entrent en contact total avec le m\u00e9tal en fusion. Les gaz et les inclusions pr\u00e9sents dans l'aluminium liquide sont amen\u00e9s \u00e0 la surface de celui-ci par des actions physiques et chimiques, ce qui permet d'assurer simultan\u00e9ment le d\u00e9gazage et l'\u00e9limination des scories.<\/p>\n

Aluminium agent de raffinage<\/a> Il est sans fum\u00e9e, sans go\u00fbt, sans poussi\u00e8re et facile \u00e0 utiliser. Par exemple, le capot en forme de cloche sp\u00e9cialement con\u00e7u pour le traitement par fusion offre de meilleurs r\u00e9sultats, et le mat\u00e9riel ainsi que les \u00e9quipements ne subissent aucune corrosion. Le traitement de raffinage pr\u00e9sente un bon effet de d\u00e9gazage. Dans des conditions normales, le degr\u00e9 de porosit\u00e9 peut atteindre 1 \u00e0 2.<\/p>\n

Utilisation d'un fondant pour l'affinage des alliages d'aluminium<\/strong><\/p>\n

1. La posologie de la pr\u00e9paration raffin\u00e9e est d'environ 0,31 TP3T (selon les cas).<\/p>\n

2. Lors de l'utilisation, verser le produit dans un r\u00e9cipient sp\u00e9cial, y faire passer de l'argon ou de l'azote sec, mettre sous pression et injecter dans l'aluminium liquide, m\u00e9langer uniform\u00e9ment, arr\u00eater la r\u00e9action, laisser reposer pendant un certain temps, puis proc\u00e9der \u00e0 la coul\u00e9e.<\/p>\n

3. La poudre d'aluminium affin\u00e9e est saupoudr\u00e9e \u00e0 la surface du liquide, puis rapidement enfonc\u00e9e dans l'aluminium liquide. Bien m\u00e9langer et laisser reposer pour permettre l'\u00e9coulement. En cas de pulv\u00e9risation, il est pr\u00e9f\u00e9rable d'injecter l'agent d'affinage dans l'aluminium liquide \u00e0 l'aide d'un gaz inerte.<\/p>\n

4. Enfoncez l'agent d'affinage au fond de l'aluminium fondu. \u00c0 ce stade, en raison de la forte chaleur d\u00e9gag\u00e9e par la r\u00e9action, l'aluminium liquide prend rapidement une couleur rouge lorsqu'il est chauff\u00e9. L'agent d'affinage doit \u00eatre en contact total avec l'aluminium liquide. Une fois que les scories se sont transform\u00e9es en poudre, elles peuvent \u00eatre s\u00e9ch\u00e9es.<\/p>\n

Lorsque l'aluminium fondu atteignait une temp\u00e9rature comprise entre 700 et 740 \u00b0, on ajoutait 5 kg de flux de coul\u00e9e pour alliage d'aluminium Adtech \u00e0 chaque tonne d'aluminium fondu.<\/p>\n

Introduisez le flux dans l'\u00e9quipement de pulv\u00e9risation de poudre. Sous l'action de l'azote ou de l'argon, pulv\u00e9risez le flux \u00e0 deux reprises dans l'aluminium liquide, en rapprochant la buse du fond du four et en remuant uniform\u00e9ment, afin que le flux puisse entrer pleinement en contact avec l'aluminium liquide. Ensuite, apr\u00e8s une r\u00e9action physique ou chimique avec l\u2019azote, affinez le m\u00e9lange avec de l\u2019argon au fond du four pendant 20 minutes, ce qui forme de nombreuses petites bulles. Les atomes d\u2019hydrog\u00e8ne et les scories sont s\u00e9par\u00e9s de l\u2019aluminium liquide par les bulles, ce qui permet d\u2019achever l\u2019\u00e9limination des scories et la purification.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum alloy refining flux is a kind of powder particles that are in full contact with molten metal. The gas and inclusion in liquid aluminum…<\/p>","protected":false},"author":1,"featured_media":9350,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminum Alloy Refining Flux, Fluxes for Aluminum Melting<\/title>\n<meta name=\"description\" content=\"Aluminum alloy refining flux is a kind of powder particles that are in full contact with molten metal. 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