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

1987-09-08

1989-11-07

Dean, R.

Metal treatment

Stock

Aluminum base

75249, 419 28, 419 48, 419 60, 419 66, 419 67, C22C 2100

Patent

active

048789674

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 Mn,V,Cr,Mo,W,Nb,Ta, "a" ranges from 2.0 to 7.5 atom percent, "b" ranges from 0.5 to 3.0 atom percent, "c" ranges from 0.05 to 3.5 atom percent and the balance is aluminum plus incidental impurities, with the proviso that the ratio {Fe+X}:Si ranges from about 2.0:1 to 5.0:1. 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: 4347076 (1982-08-01), Ray et al.

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