Bending stability of inner and outer tubes of double-walled carbon nanotube

World Scientific Publishing Co. Pte. Ltd.
Publication Type:
Journal Article
International Journal of Nanoscience, 2009, 8 (1-2), pp. 9 - 13
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This paper considers the effects of bending moment on the structure of double-walled carbon nanotube (DWCNT). Two types of DWCNTs with almost the same aspect ratio (length/radius) are selected; also continuum modeling is utilized to study the bending stability of inner and outer tubes. As a result of the van der Waals interaction between adjacent tubes the critical bending moment of inner tube is higher than this moment of outer tube which is indicated from the obtained results of this research; thus, achieving higher reliability in nanostructures, the critical bending moment of outer tube should be taken into account.
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