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Communication Carbon-Dislocation InteractionInduced Abnormal Strain-Rate Sensitivity in Twinning-Induced Plasticity Steels Y.Z. LI and M.X. HUANG The existence of an abnormal transition in the strain-rate sensitivity of yield stress occurring at the strain rate  0:05 s–1 of a C-added twinning-induced plasticity (TWIP) steel is demonstrated for the first time. The theoretical model in this work shows that the yielding of C-added TWIP steels is governed by the kink-pair nucleation mechanism overcoming the pinning of C solutes at a critical strain rate. However, the yielding at quasi-static strain rates ð_

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