Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Effects of Chemical Composition on the Heat-treatment Response of Ti-15V-3Cr-3Sn-3Al Based Beta Titanium Alloys
Naotake NIWATaizou DEMURAKunio ITO
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JOURNAL FREE ACCESS

1990 Volume 76 Issue 6 Pages 910-916

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Abstract

On Ti-15-3 (a shortened designation for Ti-15V-3Cr-3Sn-3Al) and other two alloys which contain less V and Cr and more Al compared with Ti-15-3, the effects of alloy elements Al, V and Cr on beta transus temperature, aging behavior and mechanical properties were examined.
This variation in composition causes a little increase in beta transus temperature and nose temperature. At fully aged condition, it produces a little increase in hardness and great increase in alpha phase volume fraction. Among the effects, it is notable that it produces rapid aging to fully aged condition, however, it does not alter the strength-ductility relationship in fully aged condition.

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© The Iron and Steel Institute of Japan
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