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The roles of crosslinks in the buckling behaviors and load transferring mechanisms of double-walled nanotubes under compression
Peng B; Li Y; Liu S(刘珅); Guo ZY; Ding L; Peng, B; Univ Elect Sci & Technol China, Dept Mech Engn, Chengdu 611731, Peoples R China.
Source PublicationCOMPUTATIONAL MATERIALS SCIENCE
2012-04-01
Volume55Pages:95-99
ISSN0927-0256
AbstractThe buckling behaviors as well as the load transfer mechanisms between the shells of double-walled nanotubes (DWNTs) are investigated through a series of molecular dynamics simulations. When buckling occurs, the strain energy of cross-linked (defective) DWNTs undergoes a modest transition indicating that energy gathered in one shell is shared by the other through the inter-shell crosslinks. It is confirmed that the compressive stress applied to the outer shell can be efficiently transferred to the inner shell through the covalent bonds between shells resulting in a uniform load distribution. The existence of inter-shell crosslinks leads to dramatic decreases of the sustainable loads and modest decreases of the Young's modulus. The computational studies imply that the crosslinks can improve the loading conditions and reduce strain energy in carbon nanotubes based nanocomposites and nanoelectromechanical systems.
KeywordCarbon Nanotube Molecular Dynamics Crosslink Buckling Behavior Load Transfer Carbon Nanotubes Molecular-dynamics Strength Bundles Composites Simulation Defects Tensile
Subject Area新型材料的力学问题
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000300728600013
Funding OrganizationThe authors acknowledge the supporting from the National Natural Science Foundation of China Nos. 50801009 and 91123023, the Fundamental Research Funds for the Central Universities No. E022050205. We would like to express our appreciation to H.Z. Huang for supporting this work.
Classification二类/Q2
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46603
Collection国家微重力实验室
Corresponding AuthorPeng, B; Univ Elect Sci & Technol China, Dept Mech Engn, Chengdu 611731, Peoples R China.
Recommended Citation
GB/T 7714
Peng B,Li Y,Liu S,et al. The roles of crosslinks in the buckling behaviors and load transferring mechanisms of double-walled nanotubes under compression[J]. COMPUTATIONAL MATERIALS SCIENCE,2012,55:95-99.
APA Peng B.,Li Y.,刘珅.,Guo ZY.,Ding L.,...&Univ Elect Sci & Technol China, Dept Mech Engn, Chengdu 611731, Peoples R China..(2012).The roles of crosslinks in the buckling behaviors and load transferring mechanisms of double-walled nanotubes under compression.COMPUTATIONAL MATERIALS SCIENCE,55,95-99.
MLA Peng B,et al."The roles of crosslinks in the buckling behaviors and load transferring mechanisms of double-walled nanotubes under compression".COMPUTATIONAL MATERIALS SCIENCE 55(2012):95-99.
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