The goal is to construct a physically based, mathematically correct multilevel model of intensive inelastic deformation of mono- and polycrystalline taking into account the evolution of the orientation of structural elements, rotations of crystal lattices of crystallites, allowing one to obtain the physical and mechanical properties of the sample at the macro level. The general structure of the multilevel models of inelastic deformation of materials, including the description of the evolution of the internal structure, is considered. A model of crystallite lattice rotations that takes into account the incompatibility of slip dislocations in neighboring grains is proposed. The results of numerical experiments for ECAP agree well with the experimental data.
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18 November 2016
MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS-2016): Proceedings of the 10th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures
16–20 May 2016
Ekaterinburg, Russia
Research Article|
November 18 2016
Description of grain lattice rotation and fragmentation mechanisms using crystal plasticity
Pavel S. Volegov;
1
Perm National Research Polytechnic University
, 29 Komsomolsky ave., Perm, 614990, Russian Federation
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Michael A. Telkanov
1
Perm National Research Polytechnic University
, 29 Komsomolsky ave., Perm, 614990, Russian Federation
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a)
Corresponding author: [email protected]
AIP Conf. Proc. 1785, 030034 (2016)
Citation
Pavel S. Volegov, Michael A. Telkanov; Description of grain lattice rotation and fragmentation mechanisms using crystal plasticity. AIP Conf. Proc. 18 November 2016; 1785 (1): 030034. https://doi.org/10.1063/1.4967055
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