Deformation Characteristics of Ti-15V-3Cr-3Sn-3Al at Elevated Temperature.
Open Access
- 1 January 1991
- journal article
- Published by Iron and Steel Institute of Japan in ISIJ International
- Vol. 31 (8) , 814-819
- https://doi.org/10.2355/isijinternational.31.814
Abstract
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.Keywords
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