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Activation volume and strain rate sensitivity in plastic deformation of nanocrystalline Ti

✍ Scribed by Wang, F.; Li, B.; Gao, T.T.; Huang, P.; Xu, K.W.; Lu, T.J.


Book ID
123187061
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
593 KB
Volume
228
Category
Article
ISSN
0257-8972

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## Abstract Coarse‐grained Cu99.99 was prestrained by __Ξ΅__~pre~ in multiple compression in three orthogonal directions at room temperature. While the flow stress __Οƒ__ saturates at __Ξ΅__~pre~ β‰ˆ 2, the strain rate sensitivity of __Οƒ__ at 318 K increases by a factor of β‰ˆ 2.7 from __Ξ΅__~pre~ = 2 to 7