A double dislocation pole model is proposed for deformation twinning in f.c.c. lattice structures. Operation of the twinning source proposed occurs when the passing stress that poses a high energy barrier to the nucleation and growth of a twin is surmounted by thermal activation. Orowan stress barriers are also involved in the twinning process and reduce the twin nucleation and growth rates.
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Song et al. (1995) studied this question.
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