Agglomeration phenomenon in graphene/polymer nanocomposites: Reasons, roles, and remedies

A Zeinedini, MM Shokrieh - Applied Physics Reviews, 2024 - pubs.aip.org
The addition of low-loading content of nanofillers may improve the material properties of
polymer-based nanocomposites. This improvement directly corresponds to the density of …

Role of chemical adatoms in fracture mechanics of graphene nanolayer

A Verma, A Parashar, M Packirisamy - Materials Today: Proceedings, 2019 - Elsevier
Functionalized graphene's exceptional compatibility and interfacial interaction with host
polymer matrix were the motivating features for their fracture description. The authors have …

Characterizing fracture stress of defective graphene samples using shallow and deep artificial neural networks

MAN Dewapriya, R Rajapakse, WPS Dias - Carbon, 2020 - Elsevier
Advanced machine learning methods could be useful to obtain novel insights into some
challenging nanomechanical problems. In this work, we employed artificial neural networks …

Atomic simulations of the formation of twist grain boundary and mechanical properties of graphene/aluminum nanolaminated composites

X Zhou, X Liu, J Lei, Q Yang - Computational Materials Science, 2020 - Elsevier
In this paper, generation of twist grain boundaries (TGBs) and their effects on the
mechanical behaviors of graphene/aluminum (Gr/Al) nanolaminated composites were …

Tailoring fracture strength of graphene

MAN Dewapriya, SA Meguid - Computational Materials Science, 2018 - Elsevier
We conducted molecular dynamics simulations to investigate the atomistic edge crack–
vacancy interactions in graphene. We demonstrate that the crack–tip stress field of an …

Effect of monovacancy defects on anisotropic mechanical behavior of monolayer graphene: a molecular dynamics study

J Ma, K Wang, M Tang, Y He, X Gao, P Gao… - Diamond and Related …, 2024 - Elsevier
The mechanical properties of monolayer graphene were studied using molecular dynamics
(MD) simulation. The simulation results show that the tensile stress in the [010] crystal …

Atomistic simulations of nanoscale crack-vacancy interaction in graphene

MAN Dewapriya, SA Meguid - Carbon, 2017 - Elsevier
Linear elastic fracture mechanics establishes the conditions necessary for crack arrest by
the introduction of a hole in its path. However, it is unclear how nanoscale crack-vacancy …

Interaction of edge dislocations with graphene nanosheets in graphene/Fe composites

L Wang, J Jin, J Cao, P Yang, Q Peng - Crystals, 2018 - mdpi.com
Graphene is an ideal reinforcement material for metal-matrix composites owing to its
exceptional mechanical properties. However, as a 2D layered material, graphene shows …

Fracture mechanics of multi-layer molybdenum disulfide

MSR Elapolu, A Tabarraei, X Wang… - Engineering Fracture …, 2019 - Elsevier
Molecular dynamics modeling is used to study the mechanism of brittle fracture in multi-layer
two-dimensional molybdenum disulfide (MoS 2) with a center crack subjected to mode-I …

Graphene surface reinforcement of iron

P Wang, Q Cao, Y Yan, Y Nie, S Liu, Q Peng - Nanomaterials, 2019 - mdpi.com
Graphene is an ideal material in the reinforcement of metal-matrix composites owing to its
outstanding mechanical and physical properties. Herein, we have investigated the surface …