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<p>The structural-phase states and elemental composition of a&#xa0;layer of M10 steel surfaced on medium-carbon CSN 14331 steel are studied. The surfaced layer represents a&#xa0;multiphase material containing Fe-based solid solution and inclusions of the carbide and intermetallic phases. The mixing entropy is evaluated and the surfaced layer material is shown to belong to medium-entropy alloys. Using MATLAB and the crystallochemical database, the variations of thermodynamic and elastic properties are calculated in the temperature range up to 1600 °C for a&#xa0;model high-speed steel, 72.2&#xa0;Fe&#xa0;– 12&#xa0;Mo&#xa0;– 5&#xa0;Co&#xa0;– 5&#xa0;Cr&#xa0;– 5&#xa0;V&#xa0;– 0.8&#xa0;C, whose composition is close to that of M10 steel.</p>

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High-speed molybdenum steel: phase composition and thermodynamic and mechanical properties

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • A. I. Potekaev,
  • V. E. Gromov,
  • Yu. F. Ivanov,
  • A. A. Klopotov,
  • Yu. A. Abzaev,
  • A. B. Yuriev,
  • Yu. A. Shlyarova,
  • V. V. Kulagina

摘要

The structural-phase states and elemental composition of a layer of M10 steel surfaced on medium-carbon CSN 14331 steel are studied. The surfaced layer represents a multiphase material containing Fe-based solid solution and inclusions of the carbide and intermetallic phases. The mixing entropy is evaluated and the surfaced layer material is shown to belong to medium-entropy alloys. Using MATLAB and the crystallochemical database, the variations of thermodynamic and elastic properties are calculated in the temperature range up to 1600 °C for a model high-speed steel, 72.2 Fe – 12 Mo – 5 Co – 5 Cr – 5 V – 0.8 C, whose composition is close to that of M10 steel.