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Dynamic shell buckling behavior of multi-walled carbon nanotubes embedded in an elastic medium
Sun CQ(孙成奇); Liu KX; Hong YS(洪友士); Sun, CQ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2013-03
Volume56Issue:3Pages:483-490
ISSN1674-7348
AbstractThis paper studies the dynamic shell buckling behavior of multi-walled carbon nanotubes (MWNTs) embedded in an elastic medium under step axial load based on continuum mechanics model. It is shown that, for occurrence of dynamic shell buckling of MWNTs or MWNTs embedded in an elastic medium, the buckling stress is higher than the critical buckling stress of the corresponding static shell buckling under otherwise identical conditions. Detailed results are demonstrated for dynamic shell buckling of individual double-walled carbon nanotubes (DWNTs) or DWNTs embedded in an elastic medium. A phenomenon is shown that DWNTs or embedded DWNTs in dynamic shell buckling are prone to axisymmetric buckling rather than non-axisymmetric buckling. Numerical results also indicate that the axial buckling form shifts from the lower buckling mode to the higher buckling mode with increasing buckling stress, but the buckling mode is invariable for a certain domain of buckling stress. Further, an approximate analytic formula is presented for the buckling stress and the associated buckling wavelength for dynamic axisymmetric buckling of embedded DWNTs. The effect of radii is also examined.
KeywordDynamic Buckling Carbon Nanotube Van Der Waals Forces Buckling Stress Buckling Mode
Subject Area固体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000314912300001
Funding OrganizationNational Natural Science Foundation of China [11172304, 11202210, 11021262, 10972010]; National Basic Research Program of China [2012CB937500]
DepartmentLNM金属材料微结构与力学性能
Classification二类/Q3
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47115
Collection非线性力学国家重点实验室
Corresponding AuthorSun, CQ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Sun CQ,Liu KX,Hong YS,et al. Dynamic shell buckling behavior of multi-walled carbon nanotubes embedded in an elastic medium[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2013,56(3):483-490.
APA Sun CQ,Liu KX,Hong YS,&Sun, CQ .(2013).Dynamic shell buckling behavior of multi-walled carbon nanotubes embedded in an elastic medium.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,56(3),483-490.
MLA Sun CQ,et al."Dynamic shell buckling behavior of multi-walled carbon nanotubes embedded in an elastic medium".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 56.3(2013):483-490.
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