High strength aluminum-base alloy containing lithium and zirconi

Details High strength aluminum-base alloy containing lithium and zirconi High strength aluminum-base alloy containing lithium and zirconi

1985-04-03

1988-05-31

Dean, Richard O.

Metal treatment

Compositions

Heat treating

148 3, 148 115A, 148 115P, 148 127A, 148415, 148437, 420902, C22F 104

Patent

active

047478845

ABSTRACT:
Novel Al-Li-Zr alloys of the formula Al.sub.bal Li.sub.b Zr.sub.c wherein "b" is about 1.9 through about 4.5 weight percent and "c" is about 0.70 through about 4.0 weight percent are disclosed. These alloys can be formed by mixing Al alloy, Li alloy and Zr alloy, heating to high temperatures and rapidly cooling, followed by heat treatment.

REFERENCES:
Wadsworth, J. et al, Scripta Metallurgica, vol. 18, pp. 387-392 (1984).
Wadsworth, J. et al, eds. Aluminum-Lithium Alloys II, TMS-AIME, Monterey, Calif. (1984).
Lederich, R. J. et al, eds. Aluminum-Lithium Alloys II, TMS-AIME, Monterey, Calif. (1984).
Palmer, G. et al, eds. Aluminum-Lithium Alloys (1981).
Sanders, T. H. et al, Acta Metall. vol. 33:927-939 (1982).
Sanders, T. H. NASC Final Report, excerpt from (1979).

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