Crystal plasticity model of BCC metals from large-scale MD simulations
Accurate crystal plasticity models that faithfully capture the behavior of single crystals under
a wide range of loading conditions, such as loading direction, strain rate, and temperature …
a wide range of loading conditions, such as loading direction, strain rate, and temperature …
A computational mechanical constitutive modeling method based on thermally-activated microstructural evolution and strengthening mechanisms
A mechanical constitutive relationship is the basis for the design and application of structural
materials, and the establishment of a mechanical constitutive relationship generally relies on …
materials, and the establishment of a mechanical constitutive relationship generally relies on …
Self-equilibrated backstresses induce compensation between hardening and softening: Micromechanical and microstructural features
For crystal plasticity formulation neglecting the strain gradients at the dislocation scale,
backstresses are necessary to satisfy the mesoscopic stress equilibrium and strain …
backstresses are necessary to satisfy the mesoscopic stress equilibrium and strain …
[HTML][HTML] Topology and evolution of dislocation structures mediated by glissile reactions in face-centered cubic metals
The strength and hardening of metallic materials are dictated by the motion and interactions
of dislocations. Individual dislocations intersect, react, and frequently form junctions, defining …
of dislocations. Individual dislocations intersect, react, and frequently form junctions, defining …
Theoretical and numerical studies of surface microstructural transformation in ultrasonic elliptical vibration cutting tungsten heavy alloys
Y Pan, J Bai, Z Xu - The International Journal of Advanced Manufacturing …, 2022 - Springer
Tungsten heavy alloy parts have significant applications in high-energy radiological fields.
Under the extreme physical environment, the microstructure in the machined surface affects …
Under the extreme physical environment, the microstructure in the machined surface affects …
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 …
Uniaxial ratcheting behavior and microstructure evolution of 316H stainless steel under the random cyclic loads
In this study, the Computational Fluid Dynamics (CFD)-Finite Element Method (CFD-FEM)
were used to simulate the transient stress response of the structure surface under thermal …
were used to simulate the transient stress response of the structure surface under thermal …
Assessment of the time-dependent behavior of dislocation multiplication under shock loading
S Yao, X Pei, J Yu, Q Wu - International Journal of Plasticity, 2022 - Elsevier
In this study, we proposed a method, which is a combination of qualitative analysis and
quantitative analysis, to establish dislocation-based plasticity model, and assessed the time …
quantitative analysis, to establish dislocation-based plasticity model, and assessed the time …
A discrete–continuous model of three-dimensional dislocation elastodynamics
Unraveling the deformation mechanism of materials under extremely high strain rate is
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …
Understanding orientation-dependent plasticity in laser beam powder bed fusion stainless steel through crystal plasticity modelling
Single-crystal-like stainless steel 316L (SS316L) was tailored by laser beam powder bed
fusion (PBF-LB). Tensile responses along the< 100>,< 110> and< 111> crystallographic …
fusion (PBF-LB). Tensile responses along the< 100>,< 110> and< 111> crystallographic …