Metal treatment – Stock – Age or precipitation hardened or strengthened
Patent
1990-07-06
1991-12-17
Yee, Deborah
Metal treatment
Stock
Age or precipitation hardened or strengthened
420548, 420551, C22C 2114
Patent
active
050732153
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 abut 2.33:1 to 3.33:1 and that the ratio Fe:X ranges from abut 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.
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Skinner David J.
Zedalis Michael S.
Allied-Signal Inc.
Buff Ernest D.
Fuchs Gerhard H,.
Yee Deborah
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