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<p>The effect of high-temperature annealing on the microstructure and microhardness of a&#xa0;V–Cr–Zr–W alloy subjected to a&#xa0;combined treatment, involving a&#xa0;modified thermomechanical treatment and a&#xa0;chemical-heat treatment by the method of internal oxidation, is investigated. It is shown that as a&#xa0;result of this combined treatment the alloy thermal stability increases by a&#xa0;few hundred degrees. It is expected that the high structural-phase inhomogeneity of this alloy after its combined treatment is a&#xa0;consequence of the inhomogeneity of highly defective states and the specific features of introducing oxygen in the internal-oxidation stage.</p>

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Thermal stability of V–W–Cr–Zr alloy after combined treatment

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • I. A. Smirnov,
  • D. A. Osipov,
  • K. V. Grinyaev,
  • I. A. Ditenberg

摘要

The effect of high-temperature annealing on the microstructure and microhardness of a V–Cr–Zr–W alloy subjected to a combined treatment, involving a modified thermomechanical treatment and a chemical-heat treatment by the method of internal oxidation, is investigated. It is shown that as a result of this combined treatment the alloy thermal stability increases by a few hundred degrees. It is expected that the high structural-phase inhomogeneity of this alloy after its combined treatment is a consequence of the inhomogeneity of highly defective states and the specific features of introducing oxygen in the internal-oxidation stage.