ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Deformation Characteristics of Ti-15V-3Cr-3Sn-3Al at Elevated Temperature
Hirowo G. Suzuki, Hideki Fujii
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キーワード: titanium alloy, high temperature, tensile test, stress dependence, activation energy, temperature dependence, recrystallization
ジャーナル オープンアクセス

1991 年 31 巻 8 号 p. 814-819

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Deformation characteristics of β titanium alloy Ti-15V-3Cr-3Sn-3Al at elevated temperature were examined. Analysis by constitutive equation shows the deformation can be controlled by a single activated rate process, and activation energy for deformation is (253±10) kJ·mol–1, which is close to the value of self diffusion of titanium in Ti-V binary alloys.
The grain refinement due to recrystallization occurred above 1 373 K and partial recrystallization did between 1 273 and 1 373 K. While, recrystallization did not occur and grain boundary fracture was resulted below 1 173 K.
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© The Iron and Steel Institute of Japan

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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