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Mechanical and Tribological Properties of Carbon Nanotubes Investigated with Atomistic Simulations

Published online by Cambridge University Press:  15 March 2011

Boris Ni  and
Susan B. Sinnott
Boris Ni
Affiliation:
The University of Florida, Department of Materials Science and Engineering, 154 Rhines Hall, Gainesville, FL 32611-6400
Susan B. Sinnott
Affiliation:
The University of Florida, Department of Materials Science and Engineering, 154 Rhines Hall, Gainesville, FL 32611-6400
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Abstract

Atomistic simulations are used to better understand the behavior of bundles of single- walled carbon nanotubes that have been placed between two sliding diamond surfaces. A many-body reactive empirical potential for hydrocarbons that has been coupled to a Lennard-Jones potential is used to determine the energies and forces for all the atoms in the simulations. The results indicate that the degree of compression of the nanotube bundle between the nanotubes has a significant effect on the responses of the nanotubes to shear forces. However, no rolling of the nanotubes is predicted in contrast to previous studies of individual nanotubes moving on graphite.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 633: Symposium A – Nanotubes and Related Materials , 2000 , A17.3
Copyright
Copyright © Materials Research Society 2001

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