High temperature aluminum-base alloy

Details High temperature aluminum-base alloy High temperature aluminum-base alloy

1991-06-06

1992-12-08

Dean, R.

Metal treatment

Stock

Aluminum base

75249, 148438, 148439, 148440, 420528, 420529, C22C 2100, B22F 900

Patent

active

051694611

ABSTRACT:
The alloy of the invention has improved intermediate temperature properties at temperatures up to about 482.degree. C. The alloy contains (by weight percent) a total of about 6-12% X contained as an intermetallic phase in the form of Al.sub.3 X. X is selected from the group consisting of Nb, Ti and Zr. The alloy also contains about 0.1-4% strengthener selected from the group consisting of Co, Cr, Mn, Mo, Ni, Si, V, Nb when Nb is not selected as X and Zr when Zr is not selected as X. In addition, the alloy contains about 1-4% C and about 0.1-2% O.

REFERENCES:
patent: 4668470 (1987-05-01), Gilman et al.
patent: 4834810 (1989-05-01), Benn et al.

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