Material and structural instabilities of single-wall carbon nanotubes  

作　　者：J.Wu K.C.Hwang J.Song Y.Huang 

机构地区：[1]FML,Department of Engineering Mechanics,Tsinghua University,Beijing 100084,China [2]Department of Mechanical Science and Engineering,University of Illinois,1206 W.Green Street,Urbana,IL 61801,USA [3]Department of Civil and Environmental Engineering and Department of Mechanical Engineering,Northwestern University,Evanston,IL 60208,USA

出　　处：《Acta Mechanica Sinica》2008年第3期285-288,共4页力学学报（英文版）

基　　金：ONR Composites for Marine Structures Program(grant N00014-01-1-0205,Program Manager Dr.Y.D.S.Rajapakse);the National Basic Research Program of China(973 Program,2007CB936803);the NSFC;Ministry of Education of China

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.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.

关 键 词：Carbon nanotubes INSTABILITY 

分 类 号：O175.25[理学—数学]