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Volume 34 Issue 2
Apr 2020
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Chinese Journal of High Pressure Physics  > 2020  >  34(2): 024203.
ZHAO Weiye, ZHAO Dan, LÜ Pin, JIN Tao, MA Shengguo. Finite Element Calculation of Polycrystalline Shear-Compression Specimens with Static Loading[J]. Chinese Journal of High Pressure Physics, 2020, 34(2): 024203. doi: 10.11858/gywlxb.20190836
Citation: ZHAO Weiye, ZHAO Dan, LÜ Pin, JIN Tao, MA Shengguo. Finite Element Calculation of Polycrystalline Shear-Compression Specimens with Static Loading[J]. Chinese Journal of High Pressure Physics, 2020, 34(2): 024203. doi: 10.11858/gywlxb.20190836
shu

Finite Element Calculation of Polycrystalline Shear-Compression Specimens with Static Loading

doi: 10.11858/gywlxb.20190836
  • 1.

    Institute of Applied Mechanics, School of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

  • 2.

    Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan 030024, Shanxi, China

  • 3.

    Taiyuan University of Technology Mechanics National Experimental Teaching Demonstration Center, Taiyuan 030024, Shanxi, China

  • Received Date: 19 Sep 2019
  • Rev Recd Date: 25 Oct 2019
  • Publish Date: 25 Feb 2020
    Abstract
  • The effect of crystal texture on the numerical results was studied based on the theory of crystal plasticity, and the polycrystalline compression shear sample (SCS) model with texture was established. The influence of micro-grain on the macroscopic mechanical properties in the process of finite deformation under static loading condition was studied in terms of material and sample structure. Because of the particularity of model geometry, the stress, strain and deformation characteristics of skewed slot were computed. Considering the effect of friction on the specimen during compression, the influence of friction coefficients on the deformation process was analyzed numerically. The influences of grain number, element number and element type on the mechanical properties of polycrystalline compression shear model under the same friction coefficient were calculated. The stress states of grain with different orientations in key parts of the specimen were also studied.

     

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