Avalanches and plastic flow in crystal plasticity: an overview
Crystal plasticity is mediated through dislocations, which form knotted configurations in a
complex energy landscape. Once they disentangle and move, they may also be impeded by …
complex energy landscape. Once they disentangle and move, they may also be impeded by …
[HTML][HTML] Modeling the mechanical properties of nanoparticles: a review
Nanoparticles are commonly used in various fields of applications such as electronics,
catalysis or engineering where they can be subjected to a certain amount of stress leading …
catalysis or engineering where they can be subjected to a certain amount of stress leading …
Grain size effect of FCC polycrystal: A new CPFEM approach based on surface geometrically necessary dislocations
M Jiang, Z Fan, S Kruch, B Devincre - International Journal of Plasticity, 2022 - Elsevier
A multiscale modeling methodology involving discrete dislocation dynamics (DDD) and
crystal plasticity finite element method (CPFEM) was used to study the grain size effect in …
crystal plasticity finite element method (CPFEM) was used to study the grain size effect in …
A coupled dislocation dynamics-continuum barrier field model with application to irradiated materials
A new computational methodology for 3-dimensional (3D) Discrete Dislocation Dynamics
(DDD) in barrier-strengthened materials is developed. We couple the discrete 3D DDD …
(DDD) in barrier-strengthened materials is developed. We couple the discrete 3D DDD …
Consistent formulation for the Discrete-Continuous Model: Improving complex dislocation dynamics simulations
A new and efficient formulation of the Discrete-Continuous Model (DCM) for the simulation of
3D dislocation dynamics in complex finite or periodic volumes is presented. As in previous …
3D dislocation dynamics in complex finite or periodic volumes is presented. As in previous …
Temperature insensitivity of the flow stress in body-centered cubic micropillar crystals
Plasticity of body-centered cubic (bcc) crystals is known to have a strong dependence on
temperature, as a direct consequence of the thermally-activated process of kink pair …
temperature, as a direct consequence of the thermally-activated process of kink pair …
Mesoscale dislocation dynamics modeling of incipient plasticity under nanoindentation
PC Nguyen - Materialia, 2023 - Elsevier
A mesoscale dislocation dynamics model which couples three-dimensional dislocation
dynamics (DD), and finite element method (FEM) was used to investigate the mechanical …
dynamics (DD), and finite element method (FEM) was used to investigate the mechanical …
Effect of residual stress in gradient-grained metals: Dislocation dynamics simulations
A three-dimensional discrete dislocation dynamics (DDD) method was used to investigate
the effect of residual stress on the stress-strain response of gradient nano-grained (GNG) …
the effect of residual stress on the stress-strain response of gradient nano-grained (GNG) …
The role of slow screw dislocations in controlling fast strain avalanche dynamics in body-centered cubic metals
Plasticity in body centered cubic (BCC) crystals is shown to be controlled by slow screw
dislocation motion, owing to the thermally-activated process of kink pair nucleation and …
dislocation motion, owing to the thermally-activated process of kink pair nucleation and …
A concurrent irradiation-mechanics multiscale coupling model
The vast majority of our current knowledge regarding the basic mechanisms controlling
irradiation effect on mechanical properties is based almost entirely on the results of post …
irradiation effect on mechanical properties is based almost entirely on the results of post …