Gamma titanium aluminum alloys modified by chromium and silicon

Details Gamma titanium aluminum alloys modified by chromium and silicon Gamma titanium aluminum alloys modified by chromium and silicon

1989-06-29

1991-09-03

Roy, Upendra

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

148421, 420417, 420418, 428627, C22C 1400, C21D 100

Patent

active

050454064

ABSTRACT:
A TiAl composition is prepared to have high strength, high oxidation resistance and to have acceptable 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 chromium and silicon according to the approximate formula Ti.sub.48 Al.sub.48 Cr.sub.2 Si.sub.2.

REFERENCES:
patent: 2880087 (1959-03-01), Jeffee et al.
patent: 4836983 (1989-06-01), Huang et al.
patent: 4842819 (1989-06-01), Huang

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