Method of making vanadium-modified titanium aluminum alloys

Details Method of making vanadium-modified titanium aluminum alloys Method of making vanadium-modified titanium aluminum alloys

1987-12-28

1989-08-15

Roy, Upendra

Alloys or metallic compositions

Titanium base

Aluminum containing

148403, 148 2, 148421, 148437, 420407, 420420, 420551, C22C 1400, C21D 100

Patent

active

048572683

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 vanadium and rapid solidification from the melt according to the approximate formula Ti.sub.49 Al.sub.48 V.sub.3.

REFERENCES:
patent: 4294615 (1981-10-01), Blackburn et al.
patent: 4661316 (1980-04-01), Hashimoto et al.
patent: 4716020 (1987-12-01), Blackburn et al.
"Research, Development, and Prospects of TiAl Intermetallic Compound Alloys", by Tokuzo Tsujimoto, Titanium and Zirconium, vol. 33, No. 3, 159 Jul. 1985, pp. 1-19.
"Titanium Aluminides-An Overview", by Harry A. Lipsitt, Mat. Res. Soc. Symposium, Proc., vol. 39, 1985 Materials Research Society, pp. 351-364.
"Effect of Rapid Solidification in L1.sub.o TiAl Compound Alloys", by S. H. Whang et al., ASM Symposium Proceedings on Enhanced Properties in Struc. Metals Via Rapid Solidification, Materials Week, 1986, Oct. 1986, pp. 1-7.
Izvestiya Akademii Nauk SSSR, Metally, No. 3, pp. 164-168, 1984.
"The Effects of Alloying on the Microstructure and Properties of Ti.sub.3 Al and TiAl", P. L. Martin, H. A. Lipsitt, N. T. Nuhfer and J. C. Williams, Titanium 80, (Published by the American Society of Metals, Warrendale, Pa.), vol. 2, pp. 1245-1254, 1980.

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