{"id":9762,"date":"2021-07-30T07:21:22","date_gmt":"2021-07-30T07:21:22","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9762"},"modified":"2021-07-30T07:21:22","modified_gmt":"2021-07-30T07:21:22","slug":"casting-and-rolling-aluminum-alloy","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/casting-and-rolling-aluminum-alloy\/","title":{"rendered":"Moulage et laminage d'alliages d'aluminium"},"content":{"rendered":"

Le proc\u00e9d\u00e9 de production d'alliages d'aluminium par coul\u00e9e continue et laminage \u00e0 haut d\u00e9bit utilise de l'aluminium \u00e9lectrolytique liquide pour alimenter directement la solution d'alliage. Celui-ci passe ensuite par une machine de coul\u00e9e continue \u00e0 double bande et un laminoir \u00e0 trois cylindres \u00e0 chaud. Il peut \u00eatre directement transform\u00e9 en \u00e9bauches de 2 mm \u00e0 8 mm d\u2019\u00e9paisseur, et le d\u00e9bit de la masse fondue peut atteindre 50. Cependant, l\u2019aluminium liquide \u00e9lectrolytique contient de nombreuses inclusions, ce qui affecte directement les propri\u00e9t\u00e9s m\u00e9caniques des plaques obtenues et, parall\u00e8lement, aggrave le risque d\u2019obstruction de la buse et de la pointe de coul\u00e9e au cours du processus de production par coul\u00e9e continue et laminage \u00e0 haut d\u00e9bit des alliages d\u2019aluminium.<\/p>\n

Les propri\u00e9t\u00e9s m\u00e9caniques constituent un indicateur important de la qualit\u00e9 d'un produit, et les pointe de coul\u00e9e et buse<\/a>, en tant que composant principal qui alimente directement la masse fondue dans la machine de coul\u00e9e continue \u00e0 double bande, aura une incidence sur l'efficacit\u00e9 de production du proc\u00e9d\u00e9. Il est donc tr\u00e8s important d'\u00e9tudier l'influence des inclusions sur le proc\u00e9d\u00e9 de coul\u00e9e continue et de laminage \u00e0 haut d\u00e9bit, ainsi que sur les performances du produit.<\/p>\n

\"Jeu<\/p>\n

L'analyse des inclusions pr\u00e9sentes dans la masse fondue d'alliage d'aluminium issue de la coul\u00e9e continue et du laminage \u00e0 haut d\u00e9bit montre que ces inclusions sont principalement constitu\u00e9es d'un film d'oxyde, de carbures, de particules d'agent d'affinage (TiB\u2082) et de sels halog\u00e9n\u00e9s. La taille de ces inclusions est sup\u00e9rieure \u00e0 celle des inclusions pr\u00e9sentes dans la masse fondue d'alliage d'aluminium. L'ajout d'un agent d'affinage augmente la diversit\u00e9 des types d'inclusions pr\u00e9sentes dans la masse fondue d'alliage d'aluminium. Cependant, apr\u00e8s diff\u00e9rents processus de purification en continu, la diversit\u00e9 de ces inclusions diminue progressivement.<\/p>\n

Les inclusions de petite taille peuvent \u00eatre \u00e9limin\u00e9es gr\u00e2ce \u00e0 un traitement de purification par d\u00e9gazage en ligne. Le filtre en mousse c\u00e9ramique<\/a> Il offre une bonne efficacit\u00e9 de filtration des inclusions de grande taille pr\u00e9sentes dans la masse fondue d'alliage d'aluminium. Cependant, les filtres \u00e0 lit profond et les filtres tubulaires offrent une meilleure efficacit\u00e9 de purification des masses fondues d'alliage d'aluminium que les filtres en mousse c\u00e9ramique, et permettent de filtrer des inclusions plus petites. C'est pourquoi, dans la production industrielle, l'utilisation des filtres est adapt\u00e9e en fonction des diff\u00e9rents produits fabriqu\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"

The high-throughput continuous casting and rolling aluminum alloy production process use electrolytic aluminum liquid to directly equip the alloy solution. Then it passes through a…<\/p>","protected":false},"author":1,"featured_media":9764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nCasting and Rolling Aluminum Alloy, Online Degassing Purification<\/title>\n<meta name=\"description\" content=\"The high-throughput continuous casting and rolling aluminum alloy production process use electrolytic aluminum liquid to equip the solution.\" \/>\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\/casting-and-rolling-aluminum-alloy\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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