Journal
POLYMERS
Volume 6, Issue 9, Pages 2404-2432Publisher
MDPI
DOI: 10.3390/polym6092404
Keywords
graphene; atomistic simulation; mechanical property
Categories
Funding
- Ministry of Science and Technology of China [2013CB933702, 2010CB832904]
- National Science Foundation of China [11172002, 11075005]
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Recent progress of simulations/modeling at the atomic level has led to a better understanding of the mechanical behaviors of graphene, which include the linear elastic modulus E, the nonlinear elastic modulus D, the Poisson's ratio , the intrinsic strength sigma(int) and the corresponding strain epsilon(int) as well as the ultimate strain epsilon(max) (the fracture strain beyond which the graphene lattice will be unstable). Due to the two-dimensional geometric characteristic, the in-plane tensile response and the free-standing indentation response of graphene are the focal points in this review. The studies are based on multiscale levels: including quantum mechanical and classical molecular dynamics simulations, and parallel continuum models. The numerical studies offer useful links between scientific research with engineering application, which may help to fulfill graphene potential applications such as nano sensors, nanotransistors, and other nanodevices.
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