{"id":11778,"date":"2021-12-12T08:37:29","date_gmt":"2021-12-12T08:37:29","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11778"},"modified":"2021-12-12T08:37:29","modified_gmt":"2021-12-12T08:37:29","slug":"filtro-de-aluminio-fundido","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/filtro-de-aluminio-fundido\/","title":{"rendered":"Filtre en aluminium moul\u00e9"},"content":{"rendered":"<p>Le filtre en aluminium moul\u00e9 est un m\u00e9dia filtrant compos\u00e9 d'un mat\u00e9riau r\u00e9sistant aux hautes temp\u00e9ratures et d'un mat\u00e9riau c\u00e9ramique poreux qui ne se mouille pas facilement au contact du m\u00e9tal en fusion.<\/p>\n<p>Il existe un d\u00e9calage entre le moment o\u00f9 le m\u00e9tal en fusion atteint le milieu filtrant et celui o\u00f9 il commence \u00e0 traverser le filtre. Pendant le processus de filtration, le niveau d'eau doit \u00eatre sup\u00e9rieur \u00e0 celui du m\u00e9tal en fusion.<\/p>\n<p>Lors de la fusion, de l'affinage et du formage des m\u00e9taux, en particulier lors de la coul\u00e9e de m\u00e9tal en fusion, il est souhaitable d'\u00e9liminer les inclusions pr\u00e9sentes dans le m\u00e9tal en fusion.<\/p>\n<p>Les impuret\u00e9s proviennent des scories et des oxydes pr\u00e9sents \u00e0 la surface du bain de fusion, ainsi que de petits fragments de mat\u00e9riaux r\u00e9fractaires utilis\u00e9s pour former une chambre ou un r\u00e9cipient dans lequel les mat\u00e9riaux sont fondus pour former un m\u00e9tal en fusion.<\/p>\n<p>Si ces inclusions ne sont pas \u00e9limin\u00e9es de la masse fondue, elles peuvent affaiblir le corps m\u00e9tallique final solidifi\u00e9 (le produit final de l'op\u00e9ration de fonderie) ou augmenter sa porosit\u00e9.<\/p>\n<p>Dans des conditions normales, l'agent d'affinage granulaire est d'abord ajout\u00e9 \u00e0 l'aluminium fondu et le traitement d'\u00e9limination des scories est effectu\u00e9 une fois la r\u00e9action termin\u00e9e. En amont du dispositif de filtration de l'aluminium fondu se trouve un r\u00e9servoir de d\u00e9gazage, qui sert \u00e0 \u00e9liminer l'hydrog\u00e8ne de l'aluminium fondu. Enfin, apr\u00e8s passage dans le dispositif de filtration, les impuret\u00e9s pr\u00e9sentes dans la masse d'aluminium fondu sont filtr\u00e9es.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11780\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/12\/Molten-Aluminum-Filtering-Process-1.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/12\/Molten-Aluminum-Filtering-Process-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/12\/Molten-Aluminum-Filtering-Process-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>El <a href=\"http:\/\/www.alalloycasting.com\/fr\/filtro-de-espuma-ceramica\/\">filtre en c\u00e9ramique<\/a> Il s'agit d'un filtre en aluminium moul\u00e9 particuli\u00e8rement efficace et durable, destin\u00e9 \u00e0 filtrer les impuret\u00e9s, qu'il s'agisse d'oxydes ou de substances non oxyd\u00e9es.<\/p>\n<p>Le filtre en aluminium moul\u00e9 est constitu\u00e9 d'un mat\u00e9riau en mousse souple hydrophile \u00e0 pores ouverts ; il comporte une multitude de cavit\u00e9s interconnect\u00e9es et est entour\u00e9 d'un r\u00e9seau de mousse souple. Les mat\u00e9riaux g\u00e9n\u00e9ralement utilis\u00e9s comprennent des mousses polym\u00e8res, telles que les mousses de polyur\u00e9thane. La mousse doit se consumer ou se volatiliser \u00e0 une temp\u00e9rature inf\u00e9rieure \u00e0 la temp\u00e9rature de cuisson du mat\u00e9riau c\u00e9ramique utilis\u00e9.<\/p>\n<p>De m\u00eame, il convient d'utiliser une mousse comportant entre 5 et 100 pores par pouce afin d'obtenir la surface de filtration n\u00e9cessaire. Bien entendu, la taille de la mousse peut varier en fonction de la taille finale requise. Naturellement, la mousse c\u00e9ramique peut pr\u00e9senter n\u2019importe quelle configuration souhait\u00e9e, en fonction des exigences d\u2019un processus de filtration de m\u00e9tal en fusion particulier.<\/p>","protected":false},"excerpt":{"rendered":"<p>El filtro de aluminio fundido es un medio filtrante hecho de un material resistente a altas temperaturas y un material cer\u00e1mico poroso que no se&hellip;<\/p>","protected":false},"author":1,"featured_media":11779,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-11778","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>Filtro de aluminio fundido -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"El 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