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介绍了一种能够添加到铝熔体中,而且实收率高和溶解速度快的金属添加剂.该添加剂包括下列混合组分:(a)铝粉,例如工业纯铅粉;(b)由一种或几种添加金属组成的一种或几种金属或合金粉末,例如锰、铬、钨、钼、钛、钒、铁、钴、铜、铌、钽、锆、铪和银等;(c)熔剂,例如氟铝酸钾或钾冰晶石、氯化钾、氟化钾、氯化钠、氟化钠或碳酸钠中的一种或几种.制品的最佳形式是把(a)、(b)、(c)三种组分的添加剂压成饼状,它们的重量百分比分别为5%、75%和20%.该添加剂特别适用于按照本发明的方法向铝熔体中加入一种或几种金属.用本发明的方法可以制备含有一种或几种添加金属的铝合金.
A metal additive capable of being added to an aluminum melt and having a high yield and a high dissolution rate is described, which comprises the following mixed components: (a) aluminum powder such as industrial pure lead powder; (b) Such as manganese, chromium, tungsten, molybdenum, titanium, vanadium, iron, cobalt, copper, niobium, tantalum, zirconium, hafnium and silver; (c) one or more metals or alloy powders ) Fluxes, such as one or more of potassium or potassium fluoroaluminate, potassium chloride, potassium fluoride, sodium chloride, sodium fluoride or sodium carbonate.The best form of the product is by adding (a), (b), (c) The three components of the additive are pressed into a cake with 5% by weight, 75% by weight and 20% by weight respectively.The additive is particularly suitable for adding to the aluminum melt according to the method of the present invention a Or several kinds of metal.According to the method of the invention, an aluminum alloy containing one or more added metals can be prepared.