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Approximation of the Stress–Strain Curves of Metallic Materials Subjected to a High Hydrostatic Pressure

Russian Metallurgy (Metally) volume 2022, pages 375–379 (2022)Cite this article

Abstract

A power law, in which the approximation parameters are uniquely determined by standard mechanical properties, is found to be best suited for extrapolating the functional dependence of the true stresses during the tension of cylindrical metallic samples at high strains. A method for calculating the ultimate strains during tension with a simultaneous action of hydrostatic pressure is proposed. The calculation results are shown to be in satisfactory agreement with the experimental data.

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Authors and Affiliations

  1. Bauman Moscow State Technical University, 105005, Moscow, Russia

    V. A. Tarasov, N. V. Gerasimov, V. D. Baskakov, M. A. Baburin & D. S. Boyarskii

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  1. V. A. Tarasov
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  2. N. V. Gerasimov
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  3. V. D. Baskakov
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  4. M. A. Baburin
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  5. D. S. Boyarskii
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Correspondence to V. A. Tarasov.

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Translated by K. Shakhlevich

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Tarasov, V.A., Gerasimov, N.V., Baskakov, V.D. et al. Approximation of the Stress–Strain Curves of Metallic Materials Subjected to a High Hydrostatic Pressure. Russ. Metall. 2022, 375–379 (2022). https://doi.org/10.1134/S0036029522040292

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  • DOI: https://doi.org/10.1134/S0036029522040292

Keywords:

  • stress
  • strain
  • stress–strain curve
  • hydrostatic pressure
  • ultimate strains
  • temperature