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Derivation of the stress-strain equations for metastable materials with martensite transformations under proportional loading

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Abstract

The constitutive equations of plasticity theory for metastable materials with austenite-martensite transformations under proportional loading are proposed. The hardening and residual volume-change functions entering in the equations account for the influence of the stress deviator and the stress state rigidity. The structure of functions is specified with test results for 18–10 austenitic steels in the plane stress state at low temperatures as well as with x-ray data. The relations necessary for calculations are determined from the results of three basic tests. Calculated and experimental data are in good agreement.

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Authors and Affiliations

  1. National Technical University, Kiev, Ukraine

    B. I. Koval'chuk

  2. Institute of Metal Physics, National Academy of Sciences, Kiev, Ukraine

    L. V. Zaitseva

Authors
  1. B. I. Koval'chuk
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  2. L. V. Zaitseva
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Translated from Problemy Prochnosti, No. 3, pp. 17–28, May–June, 1999.

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Koval'chuk, B.I., Zaitseva, L.V. Derivation of the stress-strain equations for metastable materials with martensite transformations under proportional loading. Strength Mater 31, 232–240 (1999). https://doi.org/10.1007/BF02511001

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  • DOI: https://doi.org/10.1007/BF02511001

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