Analyses of dislocation effects on plastic deformation

S Mohamadnejad, A Basti, R Ansari - Multiscale Science and Engineering, 2020 - Springer
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 …

[图书][B] Discrete dislocation plasticity

E Van der Giessen, A Needleman - 2005 - Springer
Plastic deformation of crystalline solids is of both scientific and technological interest. Over a
wide temperature range, the principal mechanism of plastic deformation in crystalline solids …

Dislocation cores and unconventional properties of plastic behavior

V Vitek - Handbook of Materials Modeling: Methods, 2005 - Springer
Dislocations are line defects found in all crystalline materials and their motion produces
plastic flow. The notion of dislocations has two starting points. First, the dislocation was …

[图书][B] Mathematical Modeling of Dislocation Behavior and Its Application to Crystal Plasticity Analysis

T Ohashi - 2023 - books.google.com
There are several textbooks and monographs on dislocations and the mechanical and
physical properties of metals, but most of them discuss the topics in terms of more or less …

On the computational solution of vector-density based continuum dislocation dynamics models: A comparison of two plastic distortion and stress update algorithms

P Lin, V Vivekanandan, K Starkey, B Anglin… - International Journal of …, 2021 - Elsevier
Continuum dislocation dynamics models of mesoscale plasticity consist of dislocation
transport-reaction equations coupled with crystal mechanics equations. The coupling …

Fundamentals of dislocation dynamics simulations

RB Sills, WP Kuykendall, A Aghaei, W Cai - Multiscale materials modeling …, 2016 - Springer
Dislocation dynamics (DD) is a modeling approach for the study of crystal plasticity wherein
individual dislocation lines are discretized and their motion in the crystal is simulated. This …

Continuum dislocation dynamics: towards a physical theory of crystal plasticity

T Hochrainer, S Sandfeld, M Zaiser… - Journal of the Mechanics …, 2014 - Elsevier
The plastic deformation of metals is the result of the motion and interaction of dislocations,
line defects of the crystalline structure. Continuum models of plasticity, however, remain …

A two-dimensional dislocation dynamics model of the plastic deformation of polycrystalline metals

N Ahmed, A Hartmaier - Journal of the Mechanics and Physics of Solids, 2010 - Elsevier
Two-dimensional dislocation dynamics (2D-DD) simulations under fully periodic boundary
conditions are employed to study the relation between microstructure and strength of a …

Dislocation density-based plasticity model from massive discrete dislocation dynamics database

S Akhondzadeh, RB Sills, N Bertin, W Cai - … of the Mechanics and Physics of …, 2020 - Elsevier
We present a dislocation density-based strain hardening model for single crystal copper
through a systematic coarse-graining analysis of more than 200 discrete dislocation …

The interpretation of discrete dislocation dynamics simulation data: verification and validation (V&V) with application to size/scale effects and free surface effects

L Li, T Khraishi - Journal of Materials Science, 2024 - Springer
Simulation models are used to emulate real-world phenomena, and errors are inevitable in
the numerical computation process. Owing to that, simulation models need to be verified and …