Plastic-strain evolution for cyclic loading based on the equations of the field theory of defects

  • N. V. Chertova
  • Yu. V. Grinyaev


A relation governing the plastic-strain evolution under applied stresses is obtained within the field theory of defects to analyze the specific features of deformation under sign-varying cyclic loading. The effect of the applied stress amplitude, loading frequency, and cycle skewness on the deformation process under uniaxial loading conditions is studied. Specific features of the plastic-strain evolution in a stable deformation process are considered, and the time to failure of the system in an unstable process is determined.

Key words

field theory of defects plastic strain cyclic loading 


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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • N. V. Chertova
    • 1
  • Yu. V. Grinyaev
    • 1
  1. 1.Institute of Strength Physics and Material Science, Siberian DivisionRussian Academy of SciencesTomsk

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