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COUPLED FRACTURE MODEL OF ELASTOPLASTIC MATERIALS BASED ON A KINETIC EQUATION OF DAMAGE ACCUMULATION AND THE PISARENKO–LEBEDEV STRENGTH CRITERION

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Abstract

A coupled fracture model is proposed and implemented to investigate the deformation and fracture of elastoplastic materials. The fracture model parameters are determined by constructing true stress–strain curves and determining the limiting characteristics of 12Kh18N10T and 10KhSND steel. Numerical simulation results for the fracture of cylindrical rods under tension are presented. It is revealed that the type and nature of tensile fracture of cylindrical samples determined in calculations are in good agreement with experimental data.

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Authors and Affiliations

  1. Scientific-Research Institute of Mechanics, Lobachevsky State University of Nizhny Novgorod, 603950, Nizhny Novgorod, Russia

    V. G. Bazhenov, S. L. Osetrov & D. L. Osetrov

  2. All-Russian Scientific Research Institute of Experimental Physics (VNIIEF), Russian Nuclear Center, 607188, Sarov, Russia

    A. A. Ryabov

Authors
  1. V. G. Bazhenov
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  2. S. L. Osetrov
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  3. D. L. Osetrov
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  4. A. A. Ryabov
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Correspondence to V. G. Bazhenov.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2021, Vol. 63, No. 1, pp. 122-129. https://doi.org/10.15372/PMTF20220116.

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Bazhenov, V.G., Osetrov, S.L., Osetrov, D.L. et al. COUPLED FRACTURE MODEL OF ELASTOPLASTIC MATERIALS BASED ON A KINETIC EQUATION OF DAMAGE ACCUMULATION AND THE PISARENKO–LEBEDEV STRENGTH CRITERION. J Appl Mech Tech Phy 63, 104–110 (2022). https://doi.org/10.1134/S0021894422010163

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  • DOI: https://doi.org/10.1134/S0021894422010163

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