Abstract
High-pressure torsion process is the only way to obtain bulk-shaped samples of nearly 100% of high-pressure ω-phase of pure Ti and Zr at ambient condition. The neutron diffraction experiment of HPT-processed pure Ti and Zr revealed that the deformation of high-pressure ω-phase mainly occurs at the prismatic plane, which is completely different as α-phase. This paper also reports the correlation between deformation textures and mechanical property of ω-phase obtained by HPT process.
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