Rapidly solidified aluminum based, silicon containing alloys for

Details Rapidly solidified aluminum based, silicon containing alloys for Rapidly solidified aluminum based, silicon containing alloys for

1987-06-05

1989-05-09

Dean, R.

Metal treatment

Stock

Aluminum base

75249, 420548, C22C 2100

Patent

active

048286320

ABSTRACT:
A rapidly solidified aluminum-base alloy consists essentially of the formula Al.sub.bal Fe.sub.a Si.sub.b V.sub.c, wherein "a" ranges from 3.0 to 7.1 atom percent, "b" ranges from 1.0 to 3.0 atom percent, "c" ranges from 0.25 to 1.25 atom percent and the balance is aluminum plus incidental impurities, with the provisos that (i) the ratio [Fe+V]:Si ranges from about 2.33:1 to 3:33:1 and (ii) the ratio Fe:V ranges from 11.5:1 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 engine components, automotive engine components, missiles and airframes.

REFERENCES:
patent: 2963780 (1960-12-01), Lyle et al.
patent: 2967351 (1961-06-01), Roberts et al.
patent: 3462248 (1969-04-01), Roberts et al.
patent: 4347076 (1982-08-01), Ray et al.
patent: 4379719 (1983-04-01), Hildeman et al.
P. T. Millan, Jr; Journal of Metals, vol. 35(3), p. 76, 1983.

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