{"id":11544,"date":"2021-11-29T07:24:49","date_gmt":"2021-11-29T07:24:49","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11544"},"modified":"2021-11-29T07:24:49","modified_gmt":"2021-11-29T07:24:49","slug":"foam-filters","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/foam-filters\/","title":{"rendered":"Filtres en mousse"},"content":{"rendered":"

La filtration du m\u00e9tal en fusion est une pratique courante dans l'industrie. En particulier, l'utilisation de filtres en mousse \u00e0 mailles pour filtrer l'aluminium en fusion est largement r\u00e9pandue dans ce domaine. Comme nous le savons tous, la r\u00e9sistance au feu et la stabilit\u00e9 chimique du mat\u00e9riau filtrant sont essentielles pour obtenir une filtration efficace des particules d'inclusions et pour \u00e9viter que des produits de r\u00e9action issus du mat\u00e9riau filtrant ne se retrouvent dans le m\u00e9tal en fusion sous forme de contaminants.<\/p>\n

L'utilisation de la silice comme mat\u00e9riau r\u00e9fractaire expans\u00e9 serait souhaitable, car elle est g\u00e9n\u00e9ralement peu co\u00fbteuse et facile \u00e0 mettre en \u0153uvre. La silice pr\u00e9sente \u00e9galement un faible coefficient de dilatation thermique et un faible module de compression. Malheureusement, elle est connue pour sa forte r\u00e9activit\u00e9 au contact des alliages d'aluminium fondus, en particulier ceux contenant du magn\u00e9sium.<\/p>\n

La silice pr\u00e9sente dans les particules du filtre en mousse r\u00e9ticul\u00e9e est facilement corrod\u00e9e par l'aluminium ou le magn\u00e9sium. \u00c9vitez d'utiliser de la silice lors de la filtration d'aluminium fondu, de magn\u00e9sium ou de leurs alliages.<\/p>\n

On recherche depuis longtemps un mat\u00e9riau r\u00e9fractaire relativement peu co\u00fbteux, r\u00e9sistant dans des conditions de filtration, non r\u00e9actif et pouvant \u00eatre utilis\u00e9 avec divers alliages d'aluminium, notamment ceux contenant du magn\u00e9sium.<\/p>\n

\"Filtre<\/p>\n

Les filtres en mousse r\u00e9ticul\u00e9e utilisant des particules d'agr\u00e9gat d'alumine sont couramment utilis\u00e9s pour filtrer l'aluminium et les alliages d'aluminium. Des filtres fritt\u00e9s li\u00e9s de haute puret\u00e9 filtres \u00e0 alumine<\/a> Les syst\u00e8mes de liaison \u00e0 base d'hydrate d'alumine sont \u00e9galement bien connus. Ces filtres pr\u00e9sentent une excellente r\u00e9sistance chimique aux attaques du magn\u00e9sium.<\/p>\n

Les filtres en mousse c\u00e9ramique sp\u00e9cialement con\u00e7us par AdTech sont fabriqu\u00e9s \u00e0 partir d\u2019oxyde d\u2019aluminium comme mati\u00e8re premi\u00e8re de base. Notre filtre en mousse c\u00e9ramique d\u2019alumine utilise de la mousse Portiforium de qualit\u00e9 et de la c\u00e9ramique de haute puret\u00e9 comme mati\u00e8res premi\u00e8res ; il permet d\u2019\u00e9liminer efficacement les impuret\u00e9s solides non m\u00e9talliques de l\u2019aluminium fondu et des alliages d\u2019aluminium dans votre secteur de la fonderie d\u2019aluminium.<\/p>\n

Ils sont fabriqu\u00e9s avec des porosit\u00e9s variant de 10 \u00e0 60 pores par pouce (PPI). De plus, des kits combin\u00e9s sont propos\u00e9s dans une gamme de 20 \u00e0 30 PPI, et d'autres options sont disponibles. Diff\u00e9rentes tailles et des filtres sur mesure sont fabriqu\u00e9s selon les sp\u00e9cifications fournies.<\/p>","protected":false},"excerpt":{"rendered":"

The filtration of molten metal is a common practice in the industry. In particular, the use of mesh foam filters to filter molten aluminum has…<\/p>","protected":false},"author":1,"featured_media":11547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-11544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nFoam Filters for Molten Aluminum and Aluminum Alloy<\/title>\n<meta name=\"description\" content=\"The filtration of molten metal is a common practice in the industry. 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