Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: S1.00114 : Aspect Ratio Dependant Buckling Mode Transition in Single-Walled Carbon Nanotubes under Compression
Author:
We have conducted molecular dynamics simulations on compressing
behaviors of
single-walled carbon nanotubes (SWCNTs) with a large variaty of
aspect ratios. It is found that SWCNTs with large aspect ratios
experience column buckling behavior at low strain levels, in
contrast to commonly observed shell buckling of short SWCNTs.
Further compression leads to a transition to a shell buckling
mode, which is distinct from those of short SWCNTs under
compression. It originates from the column buckling induced
bending loadings. We extract the scaling law with respect to the
aspect ratio of SWCNTs based on an analytical model of bending
buckling.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.S1.114
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