Rapid Solution Hardening, Dislocation Mobility, and the Flow Stress of Crystals
作者： Robert L. Fleischer
DOI: 10.1063/1.1702437
关键词:
摘要: A theory is derived for impurity‐controlled dislocation mobility and the resultant temperature variation of flow stress lithium fluoride. The suitable to crystals in which hardening primarily due tetragonal lattice distortions such as result from introduction magnesium into fluoride, these being defects whose interactions with dislocations have been calculated previously. Dislocation motion envisioned a series thermally activated jumps through fields produced by individual solute atoms. predicts observed within 25%, approximate values slopes velocity‐stress relations, activation energy motion.
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