A FINITE DEFORMATION ANALYSIS OF POLYCRYSTAL BY CONSIDERING THE INFLUENCE OF GRAIN BOUNDARY

A FINITE DEFORMATION ANALYSIS OF POLYCRYSTAL BY CONSIDERING THE INFLUENCE OF GRAIN BOUNDARY

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摘要 By combining grain boundary (GB) and its influence zone, a micromechanic model for polycrystal is established for considering the influence of GB. By using the crystal plasticity theory and the finite element method for finite deformation, numerical simulation is carried out by the model. Calculated results display the microscopic characteristic of deformation fields of grains and are in qualitative agreement with experimental results. By combining grain boundary (GB) and its influence zone, a micromechanic model for polycrystal is established for considering the influence of GB. By using the crystal plasticity theory and the finite element method for finite deformation, numerical simulation is carried out by the model. Calculated results display the microscopic characteristic of deformation fields of grains and are in qualitative agreement with experimental results.

作者 Pan, WK Zhang, YW Wang, TC

机构地区 UNIV SCI & TECHNOL CHINA CHINESE ACAD SCI

出处《Acta Mechanica Solida Sinica》 SCIE EI 1996年第3期189-200,共12页 固体力学学报（英文版）

基金 National Natural Science Foundation of China

关键词 grain boundary SLIP slid crystal plasticity finite deformation grain boundary slip slid crystal plasticity finite deformation

分类号 TG111 [金属学及工艺—物理冶金]

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参考文献16

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Acta Mechanica Solida Sinica

1996年第3期

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A FINITE DEFORMATION ANALYSIS OF POLYCRYSTAL BY CONSIDERING THE INFLUENCE OF GRAIN BOUNDARY

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