Grain size-dependent crystal plasticity constitutive model for polycrystal materials
Consideration of a core and mantle configuration for individual grains is a prominent method
to capture the grain size-dependence in the constitutive models for polycrystal material. The …
to capture the grain size-dependence in the constitutive models for polycrystal material. The …
A multiscale approach for modeling scale-dependent yield stress in polycrystalline metals
Modeling of scale-dependent characteristics of mechanical properties of metal polycrystals
is studied using both discrete dislocation dynamics and continuum crystal plasticity. The …
is studied using both discrete dislocation dynamics and continuum crystal plasticity. The …
Investigating the limits of polycrystal plasticity modeling
TE Buchheit, GW Wellman, CC Battaile - International Journal of Plasticity, 2005 - Elsevier
A material model which describes the rate-dependent crystallographic slip of FCC metals
has been implemented into a quasistatic, large deformation, nonlinear finite element code …
has been implemented into a quasistatic, large deformation, nonlinear finite element code …
Crystal plasticity model with enhanced hardening by geometrically necessary dislocation accumulation
LP Evers, DM Parks, WAM Brekelmans… - Journal of the Mechanics …, 2002 - Elsevier
A strain gradient dependent crystal plasticity approach is used to model the constitutive
behaviour of polycrystal FCC metals under large plastic deformation. Material points are …
behaviour of polycrystal FCC metals under large plastic deformation. Material points are …
Investigation of grain boundary and orientation effects in polycrystalline metals by a dislocation-based crystal plasticity model
Polycrystalline metal with well-designed grain structure exhibits different strength and
ductility compared with the conventional macro scale materials. In the present study, the …
ductility compared with the conventional macro scale materials. In the present study, the …
[HTML][HTML] Studying the effect of grain boundaries in dislocation density based crystal-plasticity finite element simulations
A dislocation density based constitutive model for the face centered cubic crystal structure
has been implemented into a crystal-plasticity finite element framework and extended to …
has been implemented into a crystal-plasticity finite element framework and extended to …
On the consideration of interactions between dislocations and grain boundaries in crystal plasticity finite element modeling–theory, experiments, and simulations
We suggest a dislocation based constitutive model to incorporate the mechanical interaction
between mobile dislocations and grain boundaries into a crystal plasticity finite element …
between mobile dislocations and grain boundaries into a crystal plasticity finite element …
[HTML][HTML] Determination and analysis of the constitutive parameters of temperature-dependent dislocation-density-based crystal plasticity models
Physics-based crystal plasticity models rely on certain statistical assumptions about the
collective behavior of dislocation populations on one slip system and their interactions with …
collective behavior of dislocation populations on one slip system and their interactions with …
Computational description of nanocrystalline deformation based on crystal plasticity
HH Fu, DJ Benson, MA Meyers - Acta Materialia, 2004 - Elsevier
The effect of grain size on the mechanical response of polycrystalline metals was
investigated computationally and applied to the nanocrystalline domain. A …
investigated computationally and applied to the nanocrystalline domain. A …
Development of a precipitate size-dependent crystal plasticity constitutive model for two-phase materials and its implementation on a multi-scale computational …
A new method to introduce size-dependence in crystal plasticity constitutive models, recently
developed for single-phase polycrystal materials [1], is extended to two-phase single crystal …
developed for single-phase polycrystal materials [1], is extended to two-phase single crystal …