High strength, heat resistant aluminum alloys and method of preparing wrought article therefrom
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United States of America Patent
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Oct 1, 1991
Issued Date -
N/A
app pub date -
Apr 30, 1990
filing date -
Aug 12, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides high-strength, heat resistant aluminum alloys having a composition represented by the general formula: Al.sub.a M.sub.b X.sub.d or Al.sub.a M.sub.b Q.sub.c X.sub.e (wherein M is at least one metal element selected from the group consisting of Cu, Ni, Co and Fe; Q is at least one metal element selected from the group consisting Mn, Cr, Mo, W, V, Ti and Zr; X is at least one metal element selected from the group consisting of Nb, Ta, Hf and Y; and a, b, c, d and e are atomic percentages falling within the following ranges: 45.ltoreq.a.ltoreq.90, 5.ltoreq.b.ltoreq.40, 0
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