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in particular, the crucial assumption that the initial microstructure is dislocation free.  Certainly the single-crystal experiment does not have a dislocation-free structure, which is utterly important for the processes below the theoretical /shear strength of Cu.
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2Â¥: Originally posted by sinorigin at 2015-12-19 00:26:19
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3Â¥: Originally posted by wen_peng at 2015-12-19 16:00:07
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4Â¥: Originally posted by sinorigin at 2015-12-19 16:05:58
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