13th International Conference on Fracture June 16–21, 2013, Beijing, China -7- (c) Figure 6. The vacancy position (a) at the beginning (b) during and (c) at the end of the simulation. The red dots are the vacancies and the blue dots are the impurities. Figure 7. The strain energy distribution of the sub-model. High strain energy concentration is found at grain boundary triple point region.
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