Hardness and strain rate sensitivity of nanocrystalline Cu

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 2006 English Publisher:Elsevier BVJournal:Scripta Materialia, volume 54, pages 1,913-1,918 (issn: 1359-6462,

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Authors: J. Chen; L. Lu; K. Lu;

doi: 10.1016/j.scriptamat.2006.02.022

Hardness and strain rate sensitivity of nanocrystalline Cu

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Abstract

The measured hardness of nanocrystalline Cu with grain sizes (( as small as 10 nm still follows the Hall-Petch relation. A rate sensitivity of 0.06 +/- 0.01 and a flow stress activation volume of 8b(3) were determined at d = 10 nm, suggesting grain boundary activities are enhanced but not yet dominant in the plastic deformation. (c) 2006 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.

Related Organizations

Chinese Academy of Sciences
China (People's Republic of)
Institute of Metals Research
China (People's Republic of)

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