Multiscale modeling of microstructure‐property relationships of polycrystalline metals during thermo‐mechanical deformation
M Knezevic, IJ Beyerlein - Advanced Engineering Materials, 2018 - Wiley Online Library
The plastic deformation of polycrystalline metals is primarily carried by the crystallographic
glide of dislocations and growth of deformation twins. According to the thermodynamic …
glide of dislocations and growth of deformation twins. According to the thermodynamic …
Review of microstructure and micromechanism-based constitutive modeling of polycrystals with a low-symmetry crystal structure
IJ Beyerlein, M Knezevic - Journal of Materials Research, 2018 - cambridge.org
Predictions of the mechanical response of polycrystalline metals and underlying
microstructure evolution and deformation mechanisms are critically important for the …
microstructure evolution and deformation mechanisms are critically important for the …
Strain rate and temperature sensitive multi-level crystal plasticity model for large plastic deformation behavior: Application to AZ31 magnesium alloy
M Ardeljan, IJ Beyerlein, BA McWilliams… - International Journal of …, 2016 - Elsevier
In this work, we develop a multi-level constitutive model for polycrystalline metals that
deform by a combination of elasticity, slip and deformation twinning. It involves a two-level …
deform by a combination of elasticity, slip and deformation twinning. It involves a two-level …
Role of grain structure, grain boundaries, crystallographic texture, precipitates, and porosity on fatigue behavior of Inconel 718 at room and elevated temperatures
This paper presents the main results from an investigation into the effect of initial
microstructure on high cycle fatigue behavior of Inconel 718 superalloy. To create a variety …
microstructure on high cycle fatigue behavior of Inconel 718 superalloy. To create a variety …
A study of microstructure-driven strain localizations in two-phase polycrystalline HCP/BCC composites using a multi-scale model
In this work, we present a 3D microstructure-based, full-field crystal plasticity finite element
(CPFE) model using a thermally activated dislocation-density based constitutive description …
(CPFE) model using a thermally activated dislocation-density based constitutive description …
A dislocation density based elasto-plastic self-consistent model for the prediction of cyclic deformation: Application to AA6022-T4
M Zecevic, M Knezevic - International Journal of Plasticity, 2015 - Elsevier
We develop a polycrystal plasticity constitutive law based on the elasto-plastic self-
consistent (EPSC) theory for the prediction of cyclic tension-compression deformation. The …
consistent (EPSC) theory for the prediction of cyclic tension-compression deformation. The …
Dual-phase steel sheets under cyclic tension–compression to large strains: experiments and crystal plasticity modeling
In this work, we develop a physically-based crystal plasticity model for the prediction of cyclic
tension–compression deformation of multi-phase materials, specifically dual-phase (DP) …
tension–compression deformation of multi-phase materials, specifically dual-phase (DP) …
Explicit incorporation of deformation twins into crystal plasticity finite element models
Deformation twinning is a subgrain mechanism that strongly influences the mechanical
response and microstructural evolution of metals especially those with low symmetry crystal …
response and microstructural evolution of metals especially those with low symmetry crystal …
A crystal plasticity finite element model embedding strain-rate sensitivities inherent to deformation mechanisms: Application to alloy AZ31
WG Feather, DJ Savage, M Knezevic - International Journal of Plasticity, 2021 - Elsevier
The fundamental power-law relationship representing the flow rule in crystal visco-plasticity
ensures uniqueness in the selection of slip systems accommodating imposed plastic strain …
ensures uniqueness in the selection of slip systems accommodating imposed plastic strain …
Identification of crystal plasticity model parameters by multi-objective optimization integrating microstructural evolution and mechanical data
Crystal plasticity models evolve a polycrystalline yield surface using meso-scale
descriptions of deformation mechanisms. The activation of deformation mechanisms is …
descriptions of deformation mechanisms. The activation of deformation mechanisms is …