Computer simulations of hydrostatic pressure influence on screw <a> dislocation slip in Mg release_wkphfsekgfgtbeyhe33gzl5ole

Published in The Journal of V. N. Karazin Kharkiv National University, Series "Physics" by V. N. Karazin Kharkiv National University.

2020   Issue 33

Abstract

Atomistic modeling of hydrostatic pressure influence on critical resolved shear stress was performed for glide of screw &lt;a&gt; dislocation in magnesium. It was found that application of pressure can change the resolved critical stress for basal and prismatic slip. The effect is dependent on dislocation core structure. It can be connected to the pressure dependence transient dilatation of the dislocation core.
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