The problem of the description of a plastic deformation on a complex loading is considered within the scope of plasticity theory taking microstrains into account. By means of a more detailed analysis of the structural microheterogeneity arising due to different directions of plastic deformation and yield stresses of particles composing a representative macrovolume, the framework of the applicability of the theory is essentially widened. In particular, it follows from the comparison of the theoretical predictions with the known experimental data that such an updating of the theory allows one to describe the complex cyclic loading with sufficient accuracy.

• Черняков Юрій Абрамович (фізико-математичні науки)

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