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Abstract <p>The constitutive relations are constructed for the model of a thermoviscoplastic body with the normal and tangential stress intensities determined by different methods. The parameters of materials are determined on the basis of experimental diagrams for material hardening at different temperatures under tension-compression and torsion, respectively. The model problem of subsidence with shear between two parallel plates of a parallelepiped made of the St3 steel is solved within the framework of proposed model. A comparison with the solution based on the single curve model showed that the quantitative difference between the solutions does not exceed 7%.</p>

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The Influence of Deformation Anisotropy on the Stress State of Metals During Plastic Deformation

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • D. A. Potianikhin,
  • A. I. Evstigneev,
  • M. Y. Tuev

摘要

Abstract

The constitutive relations are constructed for the model of a thermoviscoplastic body with the normal and tangential stress intensities determined by different methods. The parameters of materials are determined on the basis of experimental diagrams for material hardening at different temperatures under tension-compression and torsion, respectively. The model problem of subsidence with shear between two parallel plates of a parallelepiped made of the St3 steel is solved within the framework of proposed model. A comparison with the solution based on the single curve model showed that the quantitative difference between the solutions does not exceed 7%.