Gallium-modified titanium aluminum alloys and method of preparat

Details Gallium-modified titanium aluminum alloys and method of preparat Gallium-modified titanium aluminum alloys and method of preparat

1989-01-03

1990-02-20

Roy, Upendra

Alloys or metallic compositions

Titanium base

Aluminum containing

75228, 420420, C22C 1400

Patent

active

049024744

ABSTRACT:
A TiAl composition is prepared to have high strength and to have improved ductility by altering the atomic ratio of the titanium and aluminum to have what has been found to be a highly desirable effective aluminum concentration by addition of gallium according to the approximate formula Ti.sub.52-47 Al.sub.42-46 Ga.sub.3-7.

REFERENCES:
patent: 4294615 (1981-10-01), Blackburn
patent: 4842819 (1989-06-01), Huang et al.
Vujic et al., Met. Trans. 19A (Oct. 1988), 2445.

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