A conventional theory of mechanism-based strain gradient plasticity
There exist two frameworks of strain gradient plasticity theories to model size effects
observed at the micron and sub-micron scales in experiments. The first framework involves …
observed at the micron and sub-micron scales in experiments. The first framework involves …
Multiple mechanism based constitutive modeling of gradient nanograined material
Gradient nano-grained (GNG) materials, inside which grain size increases gradually from
nano-scale in the surface to micro-scale in the substrate, have shown synergetic strength …
nano-scale in the surface to micro-scale in the substrate, have shown synergetic strength …
A mechanism-based multi-trap phase field model for hydrogen assisted fracture
We present a new mechanistic, phase field-based formulation for predicting hydrogen
embrittlement. The multi-physics model developed incorporates, for the first time, a Taylor …
embrittlement. The multi-physics model developed incorporates, for the first time, a Taylor …
Mechanism-based strain gradient crystal plasticity—I. Theory
We have been develo** the theory of mechanism-based strain gradient plasticity (MSG) to
model size-dependent plastic deformation at micron and submicron length scales. The core …
model size-dependent plastic deformation at micron and submicron length scales. The core …
A crystal plasticity finite element model embedding strain-rate sensitivities inherent to deformation mechanisms: Application to alloy AZ31
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 …
[HTML][HTML] Using texture components in crystal plasticity finite element simulations
We discuss methods to map crystallographic textures in crystal plasticity finite element
simulations. Fourier-type series expansion methods which use spherical harmonic library …
simulations. Fourier-type series expansion methods which use spherical harmonic library …
Modeling twinning and detwinning behavior of Mg alloy ZK60A during monotonic and cyclic loading
A recently developed crystal plasticity model for describing twinning and detwinning
behavior is employed to simulate the behavior of extruded Mg alloy, ZK60A. Notably …
behavior is employed to simulate the behavior of extruded Mg alloy, ZK60A. Notably …
Modeling of the thermo-mechanical response and texture evolution of WE43 Mg alloy in the dynamic recrystallization regime using a viscoplastic self-consistent …
This paper presents a microstructure sensitive model for predicting mechanical response
and texture evolution of metals in the dynamic recrystallization regime. A recently proposed …
and texture evolution of metals in the dynamic recrystallization regime. A recently proposed …
Tailoring material microstructure and property in wire-laser directed energy deposition through a wiggle deposition strategy
Develo** effective strategies to directly control material microstructure, property, and
anisotropy is an active research area in metal additive manufacturing. This work develops a …
anisotropy is an active research area in metal additive manufacturing. This work develops a …
[HTML][HTML] Micromechanical modeling of damage evolution and fracture behavior in particle reinforced metal matrix composites based on the conventional theory of …
H Wu, W Xu, D Shan, XJ Wang, B Guo… - Journal of Materials …, 2023 - Elsevier
The particle/matrix interface of metal matrix composites (MMCs) can give rise to extra
strength and then affect the local deformation behavior. This strengthening effect originates …
strength and then affect the local deformation behavior. This strengthening effect originates …