Metal treatment – Stock – Zinc base
Patent
1996-12-12
1999-01-12
Ip, Sikyin
Metal treatment
Stock
Zinc base
148442, 420514, 420515, 420580, C22C 1800, C22C 3000
Patent
active
058581324
ABSTRACT:
The invention provides a new method for casting alloys containing a finely divided phase. A bath of the molten metal having a melting point is provided. A finely divided solid metal having a melting point greater than the melting point of molten metal is introduced into the molten metal. The finely divided metal is reacted with the molten metal to form a solid phase within the molten metal. The molten bath is then mixed to distribute the solid phase within the molten metal. The molten alloy is then cast into a solid object containing the solid phase. The solid phase is insoluble in the matrix and has a size related to the initial size of the finely divided solid. The alloy of the invention advantageously consists essentially of, by weight percent, about 3 to 40 aluminum, about 0.8 to 25 nickel, about 0 to 12 copper and balance zinc and incidental impurities. The alloy has a zinc-containing matrix with nickel-containing aluminides distributed throughout the matrix.
REFERENCES:
patent: 3676115 (1972-07-01), Hare et al.
patent: 4650528 (1987-03-01), Masumoto et al.
Raynor et al. "Ternary Alloys Formed by Aluminum, Transitional Metals and Divalent Metals*," Acta Metallurgical, vol. 1, pp.629-648. Nov. 1953.
Bell James Alexander Evert
Bell Malcolm Charles Evert
Brennan John Francis
Campbell Scott Thomas
Diaz Carlos Manuel
Biederman Blake T.
Inco Limited
Ip Sikyin
Steen Edward A.
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