Abstract
Abstract The temperature ranges of thermal and athermal deformation behaviour of nickel are identified by employing the temperature-dependence of flow-stress and strain-rate cycling data. The results are used to present a unified view of dislocation mechanisms of glide encompassing the two thermally activated and the intermediate athermal regimes of plastic flow. In the low-temperature thermally activated region ( 750 K) negate the operation of a diffusion-controlled mechanism. Instead, the data support a thermal activation model invo...
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