An approach of peridynamic modeling associated with molecular dynamics for fracture simulation of particle reinforced metal matrix composites

JM Zhan, XH Yao, F Han - Composite Structures, 2020 - Elsevier
A peridynamic (PD) model that involves the interface constitutive relation constructed by
molecular dynamics (MD) is proposed to simulate the mechanical properties of the particle …

The effect of grain-size on fracture of polycrystalline silicon carbide: A multiscale analysis using a molecular dynamics-peridynamics framework

S Gur, MR Sadat, GN Frantziskonis, S Bringuier… - Computational Materials …, 2019 - Elsevier
A robust atomistic to mesoscale computational multiscale/multiphysics modeling framework
that explicitly takes into account atomic-scale descriptions of grain-boundaries, is …

Grain size and temperature effects on the indentation induced plastic deformations of nano polycrystalline diamond

G He, C Xu, C Liu, H Liu, H Wang - Applied Surface Science, 2019 - Elsevier
Although nano polycrystalline diamond (NPD) is found with hardness equal to, or even
higher than that of single crystal diamond, there are still some controversies about its …

Planar impacts on nanocrystalline SiC: a comparison of different potentials

W Li, X Yao, X Zhang - Journal of materials science, 2018 - Springer
Silicon carbide ceramics under shock loading is an important aspect in studying their
physical and mechanical properties. Molecular dynamics simulations have been carried out …

Atomistic insights into shear-coupled grain boundary migration in bcc tungsten

LL Niu, X Shu, Y Zhang, F Gao, S Jin, HB Zhou… - Materials Science and …, 2016 - Elsevier
Shear-coupled grain boundary (GB) migration is an efficacious plasticity mechanism in
nanocrystalline materials. However, the atomistic aspects of this kind of GB motion have …

[HTML][HTML] Point defects and grain boundary effects on tensile strength of 3C-SiC studied by molecular dynamics simulations

Y Li, Y Li, W Xiao - Nuclear Engineering and Technology, 2019 - Elsevier
The tensile strength of irradiated 3C-SiC, SiC with artificial point defects, SiC with symmetric
tilt grain boundaries (GBs), irradiated SiC with GBs are investigated using molecular …

A study of nucleation at initial growth stage of SiC single crystal by physical vapor transport

N Yang, H Li, G Wang, W Wang, X Chen - Journal of Crystal Growth, 2022 - Elsevier
The nucleations of SiC at the initial growth stage of SiC single crystal via physical vapor
transport (PVT) technique were studied using the classical nucleation theory. Four possible …

Revisiting the structures and energies of β-SiC 001 symmetric tilt grain boundaries

L Wang, L Zhang, W Yu - Journal of Materials Research, 2024 - Springer
Structures and energetics of grain boundaries (GBs) can significantly modulate various
properties of polycrystals. Previous studies focus on the ground-state GB structures of β-SiC …

Grain boundary effects on defect production and damage cascade evolution in SiC/PyC interface: A molecular dynamics study

Z Cai, Y Li, W Li, J Wu, L Zhang, Z Shao… - … Physics Letters B, 2024 - World Scientific
In this study, molecular dynamics simulations were employed to investigate the effect of
symmetrical tilt grain boundaries (STGBs) on the cascade collision evolution at the SiC/PyC …

An atomic scale characterization of coupled grain boundary motion in silicon bicrystals

S Bringuier, VR Manga, K Runge, P Deymier… - Philosophical …, 2015 - Taylor & Francis
The mechanical response of symmetric tilt grain boundaries (GBs) in silicon bicrystals under
shear loading are characterized using molecular dynamics simulations. It is seen that under …