Loading direction dependent mechanical behavior of graphene under shear strain

被引：0
|
作者：
LiJun Yi
TienChong Chang
机构：
[1] Shanghai University,Shanghai Institute of Applied Mathematics and Mechanics, Shanghai Key Laboratory of Mechanics in Energy Engineering, Division of Modern Mechanics of E
来源：
Science China Physics, Mechanics and Astronomy | 2012年 / 55卷
关键词：
graphene; shear strain; strength; fracture;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The mechanical behavior of graphene under in-plane shear is studied using molecular dynamics simulations. We show that the shear behavior of chiral graphene is dependent on the loading direction due to its structural asymmetry. The maximum shear failure strain of graphene in one direction may be 1.7 times higher than that in the opposite direction. We discuss also the influence of the cut-off parameters on the calculations. Our findings are useful for the understanding of mechanical behavior of graphene and the potential applications of graphene in nanodevices.
引用
收藏
页码：1083 / 1087
页数：4
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