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May 31, 2026MATERIALS TRANSACTIONS

Effect of High-Pressure Shear Strain on ω Phase Formation in Pure Zirconium and Hafnium

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Authors

TMTakahiro MasudaKyushu Institute of TechnologyYTYongpeng TangKyushu UniversityYHYuji HigoSPring-8

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Implication

Randomized trial investigates phase transformation in pure zirconium and hafnium, suggesting temperature and strain impact outcomes.

Key Points

  • This research aims to understand how high-pressure shear strain influences the phase transformation from α to ω in zirconium and hafnium.
  • Used high-pressure sliding to induce phase transformation under varying conditions.
  • Applied high-energy X-rays for in situ analysis during high-pressure loading and heating.
  • Sample types included annealed and severely strained specimens processed by high-pressure torsion.
  • In zirconium, the α→ω transformation is promoted by high-pressure straining, more evident in HPT-processed samples.
  • Heating up to 180°C facilitated the phase transformation, suggesting thermal activation assistance.
  • In hafnium, the transformation was not confirmed due to inadequate pressure to reach the critical phase transition.

Cite This Study

Masuda et al. (2026) studied this question.

synapsesocial.com/papers/6a1bcf835783ba022b6fb92fhttps://doi.org/10.2320/matertrans.mt-m2026027
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Also Consider

Synapse has enriched one closely related paper. Consider it for comparative context:

  1. 1Effects of High Shearing Stress Combined with High Hydrostatic Pressure1935 · 712 citations