Nano Archive

Coordinated buckling of thick multi-walled carbon nanotubes under uniaxial compression

Huang, Xu and Yuan, Hongyan and Hsia, K. Jimmy and Zhang, Sulin (2010) Coordinated buckling of thick multi-walled carbon nanotubes under uniaxial compression. Nano Research, 3 (1). pp. 32-42. ISSN 1998-0124 (print version) ISSN: 1998-0000 (electronic version)

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Official URL: http://www.thenanoresearch.com/files/32.pdf

Abstract

Using a generalized quasi-continuum method, we characterize the post-buckling morphologies and energetics of thick multi-walled carbon nanotubes (MWCNTs) under uniaxial compression. Our simulations identify for the first time evolving post-buckling morphologies, ranging from asymmetric periodic rippling to a helical diamond pattern. We attribute the evolving morphologies to the coordinated buckling of the constituent shells. The post-buckling morphologies result in significantly reduced effective moduli that are strongly dependent on the aspect ratio. Our simulation results provide fundamental principles to guide the future design of high-performance, MWCNT-based nanodevices.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
ID Code:8098
Deposited By:M T V
Deposited On:18 Jan 2010 15:32
Last Modified:18 Jan 2010 15:32

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