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Open AccessArticle

Effect of Quasi-Hydrostatic Pressure on Deformation Mechanism in Ti-10Mo Alloy

1
School of Materials, Sun Yat-sen University, Guangzhou 510275, China
2
Research Center for Structural Materials, National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan
3
Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
*
Authors to whom correspondence should be addressed.
Metals 2020, 10(10), 1387; https://doi.org/10.3390/met10101387
Received: 23 September 2020 / Revised: 13 October 2020 / Accepted: 13 October 2020 / Published: 17 October 2020
The deformation mechanisms of Ti-10Mo (wt.%) alloy subjected to different quasi-hydrostatic pressure values were investigated under constrained compression using stage of high-pressure torsion apparatus. Deformation products contain {332}<113> mechanical twinning, stress-induced α″ martensitic phase and stress-induced ω phase. A volume expansion accompanied stress-induced α″ martensitic phase transformation is 2.06%. By increasing the applied pressure from 2.5 GPa to 5 GPa, the dominant deformation mechanism underwent a transition from stress-induced α″ martensitic phase transformation to {332}<113> mechanical twinning. View Full-Text
Keywords: titanium alloys; quasi-hydrostatic pressure; deformation structure; martensitic phase transformation; twinning titanium alloys; quasi-hydrostatic pressure; deformation structure; martensitic phase transformation; twinning
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Jiang, B.; Emura, S.; Tsuchiya, K. Effect of Quasi-Hydrostatic Pressure on Deformation Mechanism in Ti-10Mo Alloy. Metals 2020, 10, 1387.

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