Material and structural instabilities of single-wall carbon nanotubes

被引:4
|
作者
Wu, J. [3 ]
Hwang, K. C. [3 ]
Song, J. [4 ]
Huang, Y. [1 ,2 ]
机构
[1] Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA
[2] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
[3] Tsinghua Univ, Dept Engn Mech, FML, Beijing 100084, Peoples R China
[4] Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
基金
中国国家自然科学基金;
关键词
carbon nanotubes; instability;
D O I
10.1007/s10409-008-0146-1
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The nonlinear atomistic interactions usually involve softening behavior. Instability resulting directly from this softening are called the material instability, while those unrelated to this softening are called the structural instability. We use the finite-deformation shell theory based on the interatomic potential to show that the tension instability of single-wall carbon nanotubes is the material instability, while the compression and torsion instabilities are structural instability.
引用
收藏
页码:285 / 288
页数:4
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