Hybrid dislocation dynamics based strain hardening constitutive model
In this article, a Hybrid strain-hardening Model for slip driven plasticity is introduced. The
model distinguishes between the contributions of glissile and stored dislocations, and polar …
model distinguishes between the contributions of glissile and stored dislocations, and polar …
Dislocation multiplication by cross-slip and glissile reaction in a dislocation based continuum formulation of crystal plasticity
M Sudmanns, M Stricker, D Weygand… - Journal of the …, 2019 - Elsevier
Modeling dislocation multiplication due to interaction and reactions on a mesoscopic scale
is an important task for the physically meaningful description of stage II hardening in face …
is an important task for the physically meaningful description of stage II hardening in face …
Plastic flow and dislocation strengthening in a dislocation density based formulation of plasticity
M Sudmanns, P Gumbsch, K Schulz - Computational Materials Science, 2018 - Elsevier
Modeling dislocation interaction on a mesoscopic scale is an important task for the
description of flow stress and strain hardening in a continuum model. In dislocation based …
description of flow stress and strain hardening in a continuum model. In dislocation based …
Hierarchical models of plasticity: dislocation nucleation and interaction
One avenue being pursued in the development of dislocation-based models of plasticity is
the explicit simulation of the dynamics of dislocations, based on the recognition that such …
the explicit simulation of the dynamics of dislocations, based on the recognition that such …
Finite element implementation of dislocation-density-based crystal plasticity model and its application to pure aluminum crystalline materials
S Ha, JH Jang, KT Kim - International Journal of Mechanical Sciences, 2017 - Elsevier
A new time-integration algorithm is presented for a dislocation-density-based crystal
plasticity model. This includes a monolithic iterative scheme in which stresses were solved …
plasticity model. This includes a monolithic iterative scheme in which stresses were solved …
An extended crystal plasticity model for latent hardening in polycrystals
In this contribution, a computational approach to modeling size-dependent self-and latent
hardening in polycrystals is presented. Latent hardening is the hardening of inactive slip …
hardening in polycrystals is presented. Latent hardening is the hardening of inactive slip …
Analyses of dislocation effects on plastic deformation
This paper reviews the dislocation based models that have been used until now to consider
dislocation effects on the plastic deformation in the crystalline material. We separate two …
dislocation effects on the plastic deformation in the crystalline material. We separate two …
Continuum model for dislocation dynamics in a slip plane
X Zhu, Y Xiang - Philosophical Magazine, 2010 - Taylor & Francis
In this paper, we present a continuum model for dislocation dynamics in a slip plane, which
accurately incorporates both the long-range interaction and the local line tension effect of …
accurately incorporates both the long-range interaction and the local line tension effect of …
Strain-rate dependent crystal plasticity model and aluminum softening/hardening transition
C Ye, G Liu, K Chen, J Liu, J Hu, Y Yu, Y Mao… - Computational Materials …, 2023 - Elsevier
Hardening or softening associated with the increase of dislocation density is correlated with
strain rate and dislocation density. Taking aluminum as a model material, we investigate the …
strain rate and dislocation density. Taking aluminum as a model material, we investigate the …
A dislocation-density-based 3D crystal plasticity model for pure aluminum
A dislocation-density-based crystal plasticity finite-element model (CPFEM) is developed in
which different dislocation densities evolve. Based upon the kinematics of crystal …
which different dislocation densities evolve. Based upon the kinematics of crystal …