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A quasi-flow constitutive model with strain-rate dependence

✍ Scribed by Hu Ping; Shen Guozhe; Yang Guang


Publisher
The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences
Year
2004
Tongue
English
Weight
925 KB
Volume
20
Category
Article
ISSN
0567-7718

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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