Grain boundary sliding in copper occurs extensively prior to macroscopic yield at room temperature, revealed by in-situ high-resolution strain mapping.
Langdon, Grain boundary sliding revisited: Developments in sliding over four decades, J
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Unconstrained grain boundary sliding in Ni bicrystals shows low strain-rate sensitivity (~0.034) and activation energy of 234 kJ/mol, indicating that high SRS in polycrystals comes from accommodation processes rather than intrinsic sliding.
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Anomalous, pre-yield grain-boundary sliding in copper revealed with in-situ high-resolution strain mapping
Grain boundary sliding in copper occurs extensively prior to macroscopic yield at room temperature, revealed by in-situ high-resolution strain mapping.
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Mircomechanical insights into unconstrained grain boundary sliding
Unconstrained grain boundary sliding in Ni bicrystals shows low strain-rate sensitivity (~0.034) and activation energy of 234 kJ/mol, indicating that high SRS in polycrystals comes from accommodation processes rather than intrinsic sliding.