{"id":10973,"date":"2021-10-29T07:39:23","date_gmt":"2021-10-29T07:39:23","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10973"},"modified":"2021-10-29T07:39:23","modified_gmt":"2021-10-29T07:39:23","slug":"refining-agents-for-casting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/refining-agents-for-casting\/","title":{"rendered":"Agents d'affinage pour la fonderie"},"content":{"rendered":"

Les agents d'affinage destin\u00e9s \u00e0 la coul\u00e9e sont de plus en plus utilis\u00e9s dans l'industrie de l'aluminium. Ces agents permettent d'\u00e9liminer les gaz et les oxydes pr\u00e9sents dans l'aluminium fondu, am\u00e9liorant ainsi la qualit\u00e9 des pi\u00e8ces moul\u00e9es. Aujourd'hui, de plus en plus de fabricants de t\u00f4les et de feuilles d'aluminium utilisent l'agent d'affinage d'AdTech.<\/p>\n

Les agents d'affinage destin\u00e9s \u00e0 la fonderie permettent d'\u00e9liminer efficacement les inclusions et de r\u00e9duire la teneur en hydrog\u00e8ne de l'air. Un m\u00e9tal pur permet d'obtenir des pi\u00e8ces moul\u00e9es de meilleure qualit\u00e9, de r\u00e9duire les rebuts et de limiter les inclusions, autant d'\u00e9l\u00e9ments qui contribuent \u00e0 augmenter les b\u00e9n\u00e9fices.<\/p>\n

Une fois la fusion termin\u00e9e, une grande quantit\u00e9 d'\u00e9cume se forme \u00e0 la surface de l'alliage d'aluminium, compos\u00e9e principalement d'inclusions d'oxyde telles que l'Al\u2082O\u2083. Ces petites inclusions sont plus lourdes que l'aluminium fondu, mais pr\u00e9sentent une densit\u00e9 plus faible apr\u00e8s agglom\u00e9ration. Elles flottent \u00e0 la surface et doivent \u00eatre \u00e9limin\u00e9es. Ajouter 0,21 TP3T \u00e0 0,51 TP3T d\u00e9capeur de scories<\/a>, r\u00e9partissez-le uniform\u00e9ment \u00e0 la surface du liquide d'aluminium, puis m\u00e9langez bien.<\/p>\n

\"\"<\/p>\n

Jorge Vazquez, fondateur et directeur g\u00e9n\u00e9ral de Harbour Intelligence, un cabinet de conseil sp\u00e9cialis\u00e9 dans l'aluminium, a d\u00e9clar\u00e9 que les acheteurs continuaient d'observer les tendances du march\u00e9, notamment pour savoir si la Russie, deuxi\u00e8me producteur mondial d'aluminium, maintiendrait son taux \u00e9lev\u00e9 de taxe \u00e0 l'exportation jusqu'\u00e0 l'ann\u00e9e prochaine.<\/p>\n

M. V\u00e1zquez pr\u00e9voit que le prix moyen de l'aluminium en 2022 atteindra $2570 dollars US la tonne, soit environ 9% de plus que le prix moyen des contrats \u00e0 terme de r\u00e9f\u00e9rence sur l'aluminium n\u00e9goci\u00e9s \u00e0 Londres depuis le d\u00e9but de l'ann\u00e9e. Il s'attend \u00e9galement \u00e0 ce que la prime de transaction de l'aluminium Midwest du CME Group atteigne un niveau record de 40 cents\/lb au quatri\u00e8me trimestre, soit une hausse de 1 851 TP3T par rapport \u00e0 la m\u00eame p\u00e9riode de l'ann\u00e9e derni\u00e8re.<\/p>\n

Wall Street a d\u00e9j\u00e0 indiqu\u00e9 que, depuis le d\u00e9but de la semaine derni\u00e8re, Goldman Sachs et Citigroup ont revu \u00e0 la hausse leurs pr\u00e9visions concernant le prix de l'aluminium, qui devrait atteindre 3 000 dollars US la tonne l'ann\u00e9e prochaine ; toutefois, des mises en garde et des avis baissiers se font \u00e9galement entendre sur le march\u00e9.<\/p>\n

Par ailleurs, le coup d\u2019\u00c9tat en Guin\u00e9e a suscit\u00e9 des inqui\u00e9tudes quant \u00e0 une \u00e9ventuelle perturbation de la cha\u00eene d\u2019approvisionnement en bauxite sur le march\u00e9 mondial. Selon des experts du secteur de la bauxite dans ce pays, le coup d\u2019\u00c9tat ne devrait pas avoir d\u2019impact majeur \u00e0 court terme sur les exportations. D\u2019une mani\u00e8re g\u00e9n\u00e9rale, les exportations du mois de septembre se situent au point le plus bas du cycle. Tout gouvernement souhaite s'assurer que les futures recettes mini\u00e8res et les investissements ne seront pas affect\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"

Refining agents for casting are more and more widely used in the aluminum industry. The refining agent can remove the gas and oxides of molten…<\/p>","protected":false},"author":1,"featured_media":10978,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12766,12765],"class_list":["post-10973","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-fluxes-for-aluminum-melting","tag-refining-agents-for-casting"],"yoast_head":"\nRefining Agents for Casting, Fluxes for Aluminum Melting<\/title>\n<meta name=\"description\" content=\"Refining agents for casting are more and more widely used in the aluminum industry. 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