Fracture of graphene: a review

T Zhang, X Li, H Gao - International Journal of Fracture, 2015 - Springer
Fracture is one of the most prominent concerns for large scale applications of graphene. In
this paper, we review some of the recent progresses in experimental and theoretical studies …

Mechanical properties characterization of two-dimensional materials via nanoindentation experiments

G Cao, H Gao - Progress in Materials Science, 2019 - Elsevier
Nanoindentation has been widely adopted for mechanical properties characterization of two-
dimensional (2D) materials, where one typically starts with measuring the indentation load …

[HTML][HTML] Toughness and strength of nanocrystalline graphene

A Shekhawat, RO Ritchie - Nature communications, 2016 - nature.com
Pristine monocrystalline graphene is claimed to be the strongest material known with
remarkable mechanical and electrical properties. However, graphene made with scalable …

Effects of grain size, temperature and strain rate on the mechanical properties of polycrystalline graphene–A molecular dynamics study

MQ Chen, SS Quek, ZD Sha, CH Chiu, QX Pei… - Carbon, 2015 - Elsevier
We investigate the mechanical properties of polycrystalline graphene deforming under
uniaxial tension by using molecular dynamics simulations, focusing on the effects of grain …

Reactive force field based atomistic simulations to study fracture toughness of bicrystalline graphene functionalised with oxide groups

A Verma, A Parashar - Diamond and Related Materials, 2018 - Elsevier
The aim of this article was to study the effect of oxide functionalisation on the fracture
toughness of bicrystalline graphene. Molecular dynamics based simulations in conjunction …

Scaling properties of polycrystalline graphene: a review

A Isacsson, AW Cummings, L Colombo, L Colombo… - 2D …, 2016 - iopscience.iop.org
We present an overview of the electrical, mechanical, and thermal properties of
polycrystalline graphene. Most global properties of this material, such as the charge mobility …

Large-scale experimental and theoretical study of graphene grain boundary structures

C Ophus, A Shekhawat, H Rasool, A Zettl - Physical Review B, 2015 - APS
We have characterized the structure of 176 different single-layer graphene grain boundaries
grown with chemical vapor deposition using> 1000 experimental high-resolution …

Intensified chipping during nanoindentation and the effect of friction on the interfacial fracture for thin films used in N/MEMS

R Dash, K Bhattacharyya, RP Kumar… - Engineering …, 2022 - iopscience.iop.org
Nanoindentation was performed on Ti-B-Si-C and SiCN films deposited on Si substrates at
varying loads and depths of penetrations. The intensity of chipping got enhanced with an …

[HTML][HTML] Controlled fragmentation of single-atom-thick polycrystalline graphene

M Chen, Z Wang, X Ge, Z Wang, K Fujisawa, J Xia… - Matter, 2020 - cell.com
Controlling the fragmentation of atomically thin and brittle materials is of critical importance
for both fundamental interest and technical purposes in fracture mechanics. However, the …

Hybrid machine-learning-assisted stochastic nano-indentation behaviour of twisted bilayer graphene

KK Gupta, L Roy, S Dey - Journal of Physics and Chemistry of Solids, 2022 - Elsevier
We present herein a polynomial chaos-Kriging (PC-Kriging)-based molecular dynamics
(MD) simulation framework of twisted bilayer graphene (tBLG) structures to investigate the …