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Strain-rate sensitivity of the flow stress of ultrafine-grain aluminum at temperatures 4.2–295 K

✍ Scribed by Isaev, N. V.; Grigorova, T. V.; Zabrodin, P. A.


Book ID
111871363
Publisher
American Institute of Physics
Year
2009
Tongue
English
Weight
728 KB
Volume
35
Category
Article
ISSN
1063-777X

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Loss of Stress Equivalence in the Strain
✍ Butt, M. Z. ;Ashraf, M. 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 159 KB 👁 2 views

The strain-rate sensitivity of flow stress (3X7 Â 10 À3 s À1 3X7 Â 10 À4 s À1 ) in fine-grain polycrystalline copper has been studied over the entire stress±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