aleaci\u00f3n madre<\/a> Es eficaz tanto para velocidades de enfriamiento bajas como altas en el caso de la aleaci\u00f3n de aluminio y silicio que debe utilizarse en ella. La velocidad de disoluci\u00f3n es muy elevada (normalmente inferior a un minuto). En comparaci\u00f3n con la aleaci\u00f3n maestra tradicional de aluminio fundido con estroncio, su p\u00e9rdida de temperatura es relativamente baja, y esta \u00faltima tiene un menor contenido en estroncio. Dado que la aleaci\u00f3n obtenida es muy d\u00factil, puede fabricarse en forma de alambre o bobina, por lo que puede alimentarse mediante un alimentador de bobina convencional.<\/p>\nLa cantidad de estroncio se sit\u00faa preferiblemente entre 7,5 y 25%. La cantidad de aluminio en la aleaci\u00f3n madre suele ser de 65 a 95%. Puede haber una peque\u00f1a cantidad de uno o m\u00e1s elementos adicionales en la aleaci\u00f3n madre, como hierro y silicio. Tambi\u00e9n puede haber trazas de las impurezas habituales.<\/p>\n
En una realizaci\u00f3n preferida, la aleaci\u00f3n madre tambi\u00e9n contiene titanio y\/o boro, ya que estos elementos ejercen un efecto de refinado estructural muy eficaz sobre los cristales de aluminio, lo que da lugar a aleaciones de aluminio y silicio para fundici\u00f3n con propiedades a\u00fan m\u00e1s mejoradas. La cantidad de titanio se sit\u00faa adecuadamente entre 0,5 y 5%, y la cantidad de boro, entre 0,02 y 2%. Preferiblemente, la cantidad de titanio es de 1 a 31 TP3T y la cantidad de boro es de 0,05 a 11 TP3T.<\/p>","protected":false},"excerpt":{"rendered":"
The aluminum strontium master alloy is suitable for use as a structure refiner during the solidification of molten aluminum-silicon alloys, and is a molten alloy…<\/p>","protected":false},"author":1,"featured_media":7030,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[1460,1468,1469,7667,1459,4663],"class_list":["post-7029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo","tag-aluminum-alloy-modification-process","tag-aluminum-alloy-modifier","tag-aluminum-strontium-alloy","tag-aluminum-strontium-master-alloy","tag-modification-treatment-technology","tag-sr-modification"],"yoast_head":"\n
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