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期刊论文
Interaction between edge dislocations around the tip of a crack
C. -F. Qian et al. Mechanics of Materials 24 (1996) 221-227，-0001，（）：
The interaction between edge dislocations around the tip of a crack has been analyzed analytically and numerically. It is found that when these dislocations are placed on a cylinder around the crack tip with their slip planes all passing through the tip, the slip force exerted on a dislocation by another dislocation and its images is zero regardless of their locations on the cylinder. Inside as well as outside this cylinder other zero-slip-force positions also exist. The results show that a plastic zone around a crack tip is stable.
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