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A constitutive model for metals applicable at high-strain rate

✍ Scribed by Steinberg, D. J.; Cochran, S. G.; Guinan, M. W.


Book ID
120087402
Publisher
American Institute of Physics
Year
1980
Tongue
English
Weight
829 KB
Volume
51
Category
Article
ISSN
0021-8979

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A constitutive model for high strain rat
✍ Mingxin Huang; Pedro E.J. Rivera-DΓ­az-del-Castillo; Olivier Bouaziz; Sybrand van πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 289 KB

The present work extends a recent model for plastic deformation of polycrystalline metals based on irreversible thermodynamics. A general dislocation evolution equation is derived for a wide range of strain rates. It is found that there is a transitional strain rate ($10 3 s Γ€1 ) over which the phon