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Orientation-dependent hardness and strain rate sensitivity in nanotwin copper

✍ Scribed by Ye, J. C.; Wang, Y. M.; Barbee, T. W.; Hamza, A. V.


Book ID
120368318
Publisher
American Institute of Physics
Year
2012
Tongue
English
Weight
803 KB
Volume
100
Category
Article
ISSN
0003-6951

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The strain-rate sensitivity of flow stress (3X7 Γ‚ 10 Γ€3 s Γ€1 3X7 Γ‚ 10 Γ€4 s Γ€1 ) in fine-grain polycrystalline copper has been studied over the entire stressΒ±strain curve at room temperature. It is observed that the yield stress varies with mean grain diameter (32 to 59 mm) in accord with the Hall-Pe