Dislocation-graphene interactions in Cu/graphene composites and the effect of boundary conditions: a molecular dynamics study

F Shuang, KE Aifantis - Carbon, 2021 - Elsevier
In this paper, systematic molecular dynamics simulations were employed to study
dislocation-graphene interactions in Cu/graphene systems using two carefully selected …

Modelling dislocation-graphene interactions in a BCC Fe matrix by molecular dynamics simulations and gradient plasticity theory

F Shuang, KE Aifantis - Applied Surface Science, 2021 - Elsevier
Graphene nanosheets (GNS) can enhance the strength and ductility of metal-based
composites as they can obstruct the propagation of dislocations. The present article employs …

Effects of temperature and grain size on deformation of polycrystalline copper–graphene nanolayered composites

Y Ma, S Zhang, Y Xu, X Liu, SN Luo - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
The effects of temperature and grain size on mechanical properties of polycrystalline copper–
graphene nanolayered (PCuGNL) composites are investigated by analytical mechanical …

Anti-fatigue nanomechanics in the pre-cracked graphene–copper artificial nacre under cyclic tension

X Liu, Y Xu, J Shi, YB Zhu, S Zhang, HA Wu - Carbon, 2023 - Elsevier
The fatigue performance of pre-cracked graphene–copper artificial nacre (GrCu nacre)
under cyclic tensile loading is investigated using theoretical analysis and molecular …

Layer thickness effects on the strengthening and toughening mechanisms in metallic glass-graphene nanolaminates

Z Xie, WR Jian, Z Wang, X Zhang, X Yao - Computational Materials Science, 2020 - Elsevier
Experiments have proved that one solution to improve the ductility of metallic glasses lies in
introducing graphene and synthesizing metallic glass (MG) nanolaminates. In this work …

Understanding the role of monolayer graphene during long range shock strengthening of metal-graphene heterostructure

S Xiang, X Liu, R Xu, K Zhao, D Lin, F Yin… - Materials Science and …, 2022 - Elsevier
Graphene has been extensively used in graphene reinforced metal composite, with
strengthening effects due to its ability to block dislocation from propagation during the …

Shock wave propagation, plasticity, and void collapse in open-cell nanoporous Ta

JF Tang, JC Xiao, L Deng, W Li, XM Zhang… - Physical Chemistry …, 2018 - pubs.rsc.org
We systematically investigate the wave propagation, plasticity and void collapse, as well as
the effects of porosity, specific surface area and impact velocity, in a set of open-cell …

Competing roles of interfaces and matrix grain size in the deformation and failure of polycrystalline Cu–graphene nanolayered composites under shear loading

S Zhang, Y Xu, X Liu, SN Luo - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
The roles of interfaces and matrix grain size in the deformation and failure of polycrystalline
Cu–graphene nanolayered (PCuGNL) composites under shear loading are explored with …

New explanation for the existence of B19′ phase in NiTi alloy from the perspective of twinning martensite

C Lv, G Wang, X Zhang, B Luo, N Luo, H Song, F Wu… - Scripta Materialia, 2022 - Elsevier
The ground state structure of NiTi martensite in experiments and existing theoretical
calculations is the focus of ongoing disagreements. Based on Waitz et al.'s (2004, 2007) …

Strengthening and toughening mechanisms of metallic glass nanocomposites via graphene nanoplatelets

Z Xie, WR Jian, X Tang, X Zhang, X Yao - Journal of Non-Crystalline Solids, 2020 - Elsevier
The lack of ductility, mainly due to shear localization, limits the full exploitation of metallic
glasses (MGs). Such a weakness can be mitigated via introducing graphene nanoplatelets …