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Temperature and strain-rate dependence of the flow stress of ultrapure tantalum single crystals

โœ Scribed by Werner, M.


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
1012 KB
Volume
104
Category
Article
ISSN
0031-8965

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The strain rate and prestrain dependence
โœ S.S. Ezz ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 716 KB

Two NilGa single crystals were tested in compression by introducing upward strain rate jumps over the stress strain curve at temperatures ranging from 290 to 840 K. A Cottrell-Stokes-type law is observed below the yield stress peak temperature when the strain rate sensitivity parameter, /I = (&/61nl