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Abstract <p>The effect of severe plastic deformation by high-pressure torsion (HPT SPD) and annealing on the structure and mechanical properties of a Ti–18Zr–15Nb (in at %) medical superelastic alloy is studied. As a result of HPT SPD, a nanostructured state of the β phase is formed in the alloy. Modes of annealing are found which provide the formation of a single-phase structure of the β phase with a small grain (2 μm) and increased strength properties.</p>

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Mechanical Properties of Ti–18Zr–15Nb Alloy Subjected to HPT and Annealing under Different Conditions

  • 期刊论文

  • 发表日期：

    2025年8月2日

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  • D. V. Gunderov,
  • V. A. Sheremetyev,
  • S. D. Gunderova,
  • A. A. Churakova,
  • M. A. Derkach,
  • A. V. Sharafutdinov

摘要

Abstract

The effect of severe plastic deformation by high-pressure torsion (HPT SPD) and annealing on the structure and mechanical properties of a Ti–18Zr–15Nb (in at %) medical superelastic alloy is studied. As a result of HPT SPD, a nanostructured state of the β phase is formed in the alloy. Modes of annealing are found which provide the formation of a single-phase structure of the β phase with a small grain (2 μm) and increased strength properties.