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Metallographic Structure and Mechanical Properties in Vanadium Modified Titanium Trialuminides

Published online by Cambridge University Press:  01 January 1992

Tohru Takahashi
Affiliation:
Department of Mechanical Systems Engineering, Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184, JAPAN
Katuyuki Endo
Affiliation:
Department of Mechanical Systems Engineering, Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184, JAPAN SEIKO EPSON Corp., Okaya, JAPAN
Susumu Kaizu
Affiliation:
Graduate School, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184, JAPAN NKK Corp., Kawasaki, JAPAN
Tadashi Hasegawa
Affiliation:
Department of Mechanical Systems Engineering, Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184, JAPAN
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Abstract

Two types of aluminum-titanium-vanadium ternary intermetallic compounds have been prepared by arc melting under argon atmosphere. Their compositions were nominally AI65Ti25V10 and Al57 Ti 22V21; the numbers represent the molar fractions in mol%. These two alloys stand within the gamma-phase field where the L10 face-centered tetragonal structure is produced. Metallographic structure and mechanical properties have been investigated. It is suggested that vanadium addition to titanium aluminides and titanium trialuminides can enhance their strength.

Type
Research Article
Copyright
Copyright © Materials Research Society 1995

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