Hall-Petch analysis for temperature and strain rate dependent deformation of polycrystalline lead
Source abstract
Abstract
A dislocation pile-up analysis of the Hall-Petch constant k ε for the tensile deformation of polycrystalline lead over a wide range of temperature T and at two strain rates has been made. The predicted and experimental Hall-Petch dependencies k ε 2 = f (T) are in good agreement. Lower than predicted k ε values at very low temperatures are attributed to the high curvature of grain boundaries which experience high localized plasticity and consequent shear banding.
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Research context
OpenAlex topics: Microstructure and mechanical properties · High-Velocity Impact and Material Behavior · Ion-surface interactions and analysis
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References (26)
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