Abstract
The model of localized adiabatic heating associated with release of a dislocation pile‐up avalanche is described and re‐evaluated. The model supplies a fundamental explanation of shear banding behavior in metal and non‐metal systems. Now, a dislocation dynamics description is provided for more realistic assessment of the hot spot heating. Such localized heating effect was overestimated in the earlier work, in part, to show the dramatic enhancement of the work rate, and corresponding temperature build‐up, potentially occurring in the initial pile‐up release, say, at achievement of the critical dislocation mechanics‐based stress intensity for cleavage. Proposed applications are to potentially brittle metal, ionic, and energetic material systems.
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