Strain rate sensitivity of Cu after severe plastic deformation by multiple compression
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Abstract
Abstract Coarse‐grained Cu99.99 was prestrained by εpre in multiple compression in three orthogonal directions at room temperature. While the flow stress σ saturates at εpre ≈ 2, the strain rate sensitivity of σ at 318 K increases by a factor of ≈ 2.7 from εpre = 2 to 7. This increase is attributed to decrease of grain size and corresponding increase in fraction of high‐angle grain boundaries. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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OpenAlex topics: Microstructure and mechanical properties · High-Velocity Impact and Material Behavior · Advanced materials and composites
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