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Abstract <p>The possibilities of controlling the morphology and size of the structural constituents in a VT22 titanium alloy by changing the temperature and time parameters of treatment are demonstrated. A coarse-lamellar structure with α lamellae more than 20 μm long is found to form in the alloy upon cooling from the β region at a rate of 0.002 K/s, and a fine-grained α + β structure with α particles less than 0.3 μm in size forms during thermohydrogen treatment, which includes high-temperature vacuum annealing.</p>

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Effect of Heat Treatment and Thermohydrogen Treatment on the Structure and Mechanical Properties of a VT22 Alloy

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • O. N. Gvozdeva,
  • A. V. Shalin,
  • A. S. Stepushin,
  • Yu. N. Kusakina,
  • A. S. Zhurbenko

摘要

Abstract

The possibilities of controlling the morphology and size of the structural constituents in a VT22 titanium alloy by changing the temperature and time parameters of treatment are demonstrated. A coarse-lamellar structure with α lamellae more than 20 μm long is found to form in the alloy upon cooling from the β region at a rate of 0.002 K/s, and a fine-grained α + β structure with α particles less than 0.3 μm in size forms during thermohydrogen treatment, which includes high-temperature vacuum annealing.