{"id":8757,"date":"2021-05-13T03:51:09","date_gmt":"2021-05-13T03:51:09","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8757"},"modified":"2021-05-13T03:51:09","modified_gmt":"2021-05-13T03:51:09","slug":"foundry-molten-aluminium-filtration","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/foundry-molten-aluminium-filtration\/","title":{"rendered":"Filtration de l'aluminium fondu en fonderie"},"content":{"rendered":"

Les inclusions et les gaz pr\u00e9sents dans le m\u00e9tal ont un impact significatif sur la r\u00e9sistance m\u00e9canique, la r\u00e9sistance \u00e0 la fatigue, la r\u00e9sistance \u00e0 la corrosion et la sensibilit\u00e9 \u00e0 la fissuration par corrosion sous contrainte du mat\u00e9riau. Ma\u00eetriser efficacement les inclusions oxyd\u00e9es dans la masse fondue des barres coul\u00e9es et am\u00e9liorer la qualit\u00e9 de ces derni\u00e8res constituent les objectifs communs poursuivis par l'industrie de l'aluminium. \u00c0 l'heure actuelle, la technologie des filtres en mousse c\u00e9ramique et les m\u00e9thodes de purification sont largement utilis\u00e9es pour la filtration de l'aluminium fondu en fonderie.<\/p>\n

Le filtre en mousse c\u00e9ramique utilise comme mati\u00e8res premi\u00e8res une mousse Portiforium de qualit\u00e9 et de la c\u00e9ramique de haute puret\u00e9, ce qui permet d'\u00e9liminer efficacement les impuret\u00e9s solides non m\u00e9talliques pr\u00e9sentes dans l'aluminium fondu et les alliages d'aluminium dans le cadre de votre activit\u00e9 de moulage d'aluminium. Il permet d'\u00e9liminer efficacement les grosses inclusions pr\u00e9sentes dans l'aluminium liquide et d'adsorber les fines particules d'inclusions de l'ordre du micron, afin d'am\u00e9liorer la qualit\u00e9 de surface, les performances du produit, la microstructure et le rendement. Il est largement utilis\u00e9 dans les secteurs de la production de profil\u00e9s en aluminium, de feuilles d'aluminium et d'alliages d'aluminium.<\/p>\n

Filtre en mousse c\u00e9ramique<\/a> constitue la meilleure solution pour \u00e9liminer les inclusions non m\u00e9talliques, ces corps \u00e9trangers qui constituent une source majeure de probl\u00e8mes de qualit\u00e9 dans la fonderie, et vous aide \u00e0 r\u00e9pondre \u00e0 des exigences de qualit\u00e9 toujours plus \u00e9lev\u00e9es.<\/p>\n

\"Filtration<\/p>\n

\u00c9liminer les impuret\u00e9s, les d\u00e9chets r\u00e9fractaires, les alliages r\u00e9fractaires solides et les agglom\u00e9rats pr\u00e9sents dans le m\u00e9tal en fusion lors de la coul\u00e9e des produits, \u00e9liminer les turbulences, r\u00e9duire les poches d'air dans les pi\u00e8ces moul\u00e9es et am\u00e9liorer la qualit\u00e9 de la coul\u00e9e. C'est pourquoi nos filtres en mousse c\u00e9ramique (c\u00e9ramiques expans\u00e9es) sont largement utilis\u00e9s dans l'industrie de la fonderie d'aluminium, afin de pr\u00e9venir les d\u00e9fauts caus\u00e9s par les oxydes, les scories, les gaz, les r\u00e9sidus et autres impuret\u00e9s. Ils \u00e9liminent les turbulences dans le flux m\u00e9tallique, lissent l'\u00e9coulement du m\u00e9tal et \u00e9vitent les projections, les \u00e9claboussures et les retours de m\u00e9tal. Ils am\u00e9liorent la fluidit\u00e9, la coulabilit\u00e9, l\u2019usinabilit\u00e9, le rendement et la rentabilit\u00e9.<\/p>\n

Le filtre en c\u00e9ramique expans\u00e9e destin\u00e9 \u00e0 la fonderie pr\u00e9sente une structure multicouche et des trous traversants multidimensionnels, qui communiquent entre eux. Au cours du processus de filtration de l\u2019aluminium fondu en fonderie, celui-ci, charg\u00e9 d\u2019inclusions, s\u2019\u00e9coule le long de canaux sinueux et de pores. Lorsqu\u2019il entre en contact avec la structure en mousse de la plaque filtrante, il est directement intercept\u00e9, adsorb\u00e9, d\u00e9pos\u00e9, etc. Lorsque le m\u00e9tal en fusion s\u2019\u00e9coule dans le trou, le canal de la plaque filtrante \u00e9tant courb\u00e9, le m\u00e9tal en fusion qui le traverse change de direction d\u2019\u00e9coulement, et les inclusions entrent en collision avec la paroi du trou et y adh\u00e8rent fermement.<\/p>","protected":false},"excerpt":{"rendered":"

Inclusions and gases in the metal have a significant impact on the strength, fatigue resistance, corrosion resistance, and stress corrosion cracking properties of the material.…<\/p>","protected":false},"author":1,"featured_media":8759,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8757","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nFoundry Molten Aluminium Filtration with Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"At present, ceramic foam filter technology and purification methods are widely used for foundry molten aluminium filtration.\" \/>\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\/fr\/foundry-molten-aluminium-filtration\/\" 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