… , and strainratedependence has been formulated based on dislocation dynamics simulations … This article develops a model for deformation of a single crystal volume at strainrates from …
ZY Liang, X Wang, W Huang, MX Huang - Acta Materialia, 2015 - Elsevier
… A constitutive model which is strainrate- and temperature-dependent is developed to explain the stable ISRS and the negative SRSW. The modelling results reveal that the stable ISRS …
H Lim, LM Hale, JA Zimmerman, CC Battaile… - … Journal of Plasticity, 2015 - Elsevier
… to simulate plastic deformation of single … strainrate on the flow behavior of siangle crystal Fe. Furthermore, our proposed CP-FE model exhibits temperature and strainratedependent …
… strains the predictability vs strainrate relation becomes nonmonotonic. We show that for small strains the ratedependence of deformation … the fraction of dislocations moving against the …
P El Ters, MA Shehadeh - Mechanics of Materials, 2020 - Elsevier
… the temperature and strainratedependency on size exponent at 0.5% strain offset to … strainrate and is drag operated instead of line tension operated as in the lower strainrates; …
X Sun, K Zhou, C Liu, X Zhang, H Wang… - … Journal of Plasticity, 2024 - Elsevier
… Our CP model yields distinct, quantifiable insights into the relationship between dislocation activities and variables such as strainrate, strain magnitude, and crystallographic orientation. …
C Ye, G Liu, K Chen, J Liu, J Hu, Y Yu, Y Mao… - Computational Materials …, 2023 - Elsevier
… Taking aluminum as a model material, we investigate the strainrate and dislocation density dependence of the strength and the accompanying hardening or softening effect upon a …
X Guo, N Mao, T Kong, J Zhang, J Shen… - Materials Science and …, 2024 - Elsevier
… The developed model captures the effect of strainrate on the mechanisms governing dislocation motion and temperature rise. The mechanical behavior and underlying micro-…
… In conclusion, the present work addresses the surface dislocation nucleation aspect of small scale plasticity. We find surface sources have a unique kinetic signature: a small activation …