Abstract
Since the grain sliding induces the grain boundary deformation and irradiation assisted stress corrosion cracking, the resolved shear stress (RSS) for grain sliding is an important factor. In this study, the RSS was evaluated by using three-dimensional polycrystalline bodies consisting of 2000 grains generated by a Monte Carlo method. Elastic finite element analysis was performed and the slip line angle at the surface and RSS were calculated. The frequency of slip angle distribution consisted with experimental results. The RSS tended to deviate from that obtained in homogenous stress condition due to constraint caused by adjacent grains.
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