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Strain rate sensitivity of ultrafine-grained aluminium processed by severe plastic deformation

✍ Scribed by J. May; H.W. Höppel; M. Göken

Book ID
113895497
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
324 KB
Volume
53
Category
Article
ISSN
1359-6462

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Strain rate sensitivity of Cu after seve
Strain rate sensitivity of Cu after severe plastic deformation by multiple compression
✍ Li, Y. J. ;Blum, W. 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 479 KB

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