The temperature dependence of the yield stress, as governed by the Peierls mechanism of narrowly dissociated dislocations, was considered for the smooth kink regime. A plateau region was expected to appear, in the yield stress versus temperature curve, between the low-temperature and high-temperature regions. The low-temperature and plateau regions were controlled by uncorrelated kink-pair formation on partial dislocations, and the high-temperature region was controlled by correlated kink-pair formation on 2 partials. The temperature dependence of the yield stress, in intermetallic compounds that exhibited a plateau, could be explained in terms of this mechanism.

S.Takeuchi: Philosophical Magazine A, 1995, 71[6], 1255-63