… 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 …
… strain compression. We then demonstrate application of the model to predict the strain rate-dependent … model to predict the strainrate- and temperature-dependentdeformation of body …
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; …
… strain-ratedependence formulation presented in this work is able to capture only positive strain-ratedependence … variables (eg dislocation density, elastic strain, and plastic strain), this …
… Since all of the simulations analyzed in this section correspond to the same applied strainrate ( 10 3 s − 1 ), we initially treat the rate-dependent correction as a constant. …
… constitutive dislocation models in crystal plasticity kinematic … a wide range of deformation temperatures and strainrates with the … -dependentdislocation-density-based crystal plasticity …
B Sadeghi, J Qi, X Min, P Cavaliere - Materials Science and Engineering: A, 2021 - Elsevier
… density evolution during different strainrates is explored by using crystal plasticity finite element modelling predictions by using ABAQUS software. According to the simulated literature […
… challenge our understanding of the rate controlling mechanisms for plasticity which are important for structural applications. The strainratedependentplasticity of as-built AlSi10Mg …
… is a version of the rate-dependent crystal plasticity model by … a decrease in dislocation density at higher strainrates, where we … of dislocation density in future studies of high strainrate …