| 摘要 |
An additive is provided which enables metal additions to be made to aluminum melts with good metal recovery and speed of dissolution. The additive includes a mixture comprising: (a) an aluminum-comprising powder, for example commercially pure aluminum; (b) a powder of one or more metals or alloys comprising the metal or metals to be introduced, for example manganese, chromium, tungsten, molybdenum, titanium, vanadium, iron, cobalt, copper, niobium, tantalum, zirconium, hafnium and silver; and (c) a flux, for example one or more of potassium aluminum fluoride or potassium cryolite, potassium chloride, potassium fluoride, sodium chloride, sodium fluoride, and sodium carbonate. In a preferred form, the additive is a compacted tablet of components (a), (b) and (c), in the weight proportions of about 5%, 75% and 20%, respectively. The additive is especially useful in the method of the invention of introducing one or more metals into a melt comprising aluminum. Aluminum alloys are provided which contain a metal or metals introduced by the method of the invention.
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