{"id":9322,"date":"2021-06-26T03:42:25","date_gmt":"2021-06-26T03:42:25","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9322"},"modified":"2021-06-25T03:53:37","modified_gmt":"2021-06-25T03:53:37","slug":"alumina-ceramic-foundry-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/alumina-ceramic-foundry-filter\/","title":{"rendered":"Filtre de fonderie en c\u00e9ramique d'alumine"},"content":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les filtres de fonderie en c\u00e9ramique d'alumine destin\u00e9s \u00e0 la filtration de l'aluminium fondu ont pris une importance croissante dans la purification physique des m\u00e9taux. C'est l'industrie des m\u00e9taux non ferreux qui utilise le plus ce type de m\u00e9dia filtrant, en particulier le secteur de la fonderie d'aluminium. En 1992, il a \u00e9t\u00e9 rapport\u00e9 que 8 millions de tonnes d\u2019aluminium avaient \u00e9t\u00e9 filtr\u00e9es \u00e0 l\u2019aide de filtres en c\u00e9ramique d\u2019alumine (CFF), ce qui signifie qu\u2019environ 50% de la production mondiale d\u2019aluminium de cette ann\u00e9e-l\u00e0 avait \u00e9t\u00e9 purifi\u00e9e par ce m\u00e9dia filtrant. Les alliages \u00e0 haute temp\u00e9rature utilisent \u00e9galement des CFF, notamment les superalliages, les aciers au carbone et les aciers alli\u00e9s.<\/p>\n<p>Les c\u00e9ramiques poreuses sont aujourd'hui largement utilis\u00e9es comme mat\u00e9riau de filtration des fluides dans les applications \u00e0 haute temp\u00e9rature. On consid\u00e8re g\u00e9n\u00e9ralement que, compte tenu de leurs caract\u00e9ristiques structurelles, <a href=\"http:\/\/www.alalloycasting.com\/fr\/ceramic-foam-filters-for-cast\/\">filtres en mousse c\u00e9ramique<\/a> Les filtres CFF permettent d'\u00e9liminer les inclusions exog\u00e8nes et endog\u00e8nes pr\u00e9sentes dans la masse fondue ; ils pr\u00e9sentent une faible r\u00e9sistance \u00e0 l'\u00e9coulement et une grande efficacit\u00e9 de filtration pour les particules de taille sup\u00e9rieure \u00e0 10-20 microns.<\/p>\n<p>La structure du CFF cr\u00e9e un parcours sinueux unique pour l'\u00e9coulement du fluide, ce qui permet de retenir les inclusions et de laisser passer un m\u00e9tal propre et homog\u00e8ne dans la cavit\u00e9. Le CFF est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme le meilleur filtre pour la fonderie. Ses principaux avantages sont les suivants : haute efficacit\u00e9 de filtration, r\u00e9duction des turbulences, r\u00e9sistance au feu et \u00e0 l'\u00e9rosion ; il convient aux applications de fonderie les plus exigeantes.<\/p>\n<p>Filtre en c\u00e9ramique d'alumine pour fonderie : la filtration est un \u00e9l\u00e9ment essentiel de toute industrie de fabrication et de fonderie. Chaque secteur utilise des mat\u00e9riaux diff\u00e9rents pour filtrer ses produits finis. Le filtre en mousse c\u00e9ramique d\u2019alumine est utilis\u00e9 dans les fonderies qui coulent de l\u2019aluminium fondu. L\u2019aluminium est reconnu comme \u00e9tant le meilleur mat\u00e9riau, offrant de nombreuses applications, et les fonderies permettent de mouler l\u2019aluminium fondu en diff\u00e9rentes structures afin d\u2019optimiser l\u2019utilisation de ce m\u00e9tal. Cependant, \u00e0 moins d\u2019\u00eatre filtr\u00e9 \u00e0 l\u2019aide d\u2019outils hautement efficaces, le processus reste incomplet. La pr\u00e9sence d\u2019impuret\u00e9s et d\u2019autres \u00e9l\u00e9ments ind\u00e9sirables dans le m\u00e9tal diminue la qualit\u00e9 de celui-ci, ce qui r\u00e9duit par cons\u00e9quent la qualit\u00e9 des pi\u00e8ces moul\u00e9es \u00e0 partir de ce m\u00e9tal. L\u2019objectif ultime de la fonderie est de r\u00e9aliser des b\u00e9n\u00e9fices, et une bonne qualit\u00e9 du mat\u00e9riau moul\u00e9 peut contribuer \u00e0 cet objectif.<\/p>","protected":false},"excerpt":{"rendered":"<p>In recent years, alumina ceramic foundry filter for molten aluminum filtration has become more and more important in the physical purification of metals. The non-ferrous&hellip;<\/p>","protected":false},"author":1,"featured_media":9323,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9322","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>Alumina Ceramic Foundry Filter for Molten Aluminum Filtration<\/title>\n<meta name=\"description\" content=\"In recent years, alumina ceramic foundry filter for molten aluminum filtration has become more and more important in the purification.\" \/>\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\/alumina-ceramic-foundry-filter\/\" \/>\n<meta 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