Journal
PHYSICAL MESOMECHANICS
Volume 21, Issue 1, Pages 32-42Publisher
SPRINGER
DOI: 10.1134/S1029959918010058
Keywords
mechanics of media with structure; numerical simulation; modified surface layers; polycrystalline structure; plastic strain localization
Funding
- Fundamental Research Program of SB RAS [III.23.1]
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Plastic flow localization in commercially pure titanium (VT1-0 according to the Russian classification) with the surface modified by low-energy high current electron beams has been numerically studied. The structure and mechanical properties of the modified surface layer and titanium substrate correspond to the experimentally observed ones and are taken into account explicitly as initial data of a dynamic boundary value problem. The tension of titanium structures with a modified surface layer is simulated by the finite difference method in a plane strain formulation. The dependence of the plastic strain localization parameters on the mechanical properties of structural elements in the titanium substrate has been determined.
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