Consolidated aluminum base metal article and method thereof

Details Consolidated aluminum base metal article and method thereof Consolidated aluminum base metal article and method thereof

1991-06-03

1992-10-06

Yee, Deborah

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 48, 419 60, C22C 2100, C22C 104

Patent

active

051528290

ABSTRACT:
A rapidly solidified aluminum base alloy consists essentially of the formula Al.sub.bal Fe.sub.a Si.sub.b X.sub.c, wherein X is at least one element selected from the group consisting of W,Ta,Nb, "a" ranges from 3.0 to 7.1 at %, "b" ranges from 1.0 to 3.0 at %, "c" ranges from 0.25 to 1.25 at % and the balance is aluminum plus incidental impurities, with the provisos that the ratio [Fe+X]:Si ranges from about 2.33:1 to 3.33:1 and that the ratio Fe:X ranges from about 16:1 to 5:1. The alloy exhibits high strength, ductility and fracture toughness and is especially suited for use in high temperature structural applications such as gas turbine engines, missiles, airframes and landing wheels.

REFERENCES:
patent: 4878967 (1989-11-01), Adams et al.

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