Elastic Deformation of Polycrystalline Metal :1st Report, Influence of grain shape on distributions of stress and strain in grains
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Stress and strain distributions in polycrystalline aggregates during uniaxial elastic deformation were investigated adopting the finite element method. The effect of grain shape on the deformation mode was studied. The distribution of the constraint ratio between grains defined previously was calculated for each grain shape. It was found that the strain is continuous across the grain boundary parallel to the stress axis, while the stress is continuous across the grain boundary perpendicular or inclined to the stress axis. The deformation of island grains was also discussed.
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