Journal
COMPUTATIONAL MATERIALS SCIENCE
Volume 28, Issue 3-4, Pages 429-442Publisher
ELSEVIER
DOI: 10.1016/j.commatsci.2003.08.004
Keywords
nanotube radius; carbon nanotube; continuum; constitutive model
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We investigate the effect of nanotube radius on the constitutive model of single wall carbon nanotubes. We adopt a modified Cauchy-Born rule to incorporate the interatomic potential into the continuum analysis, and such an approach ensures the equilibrium of atoms. It is shown that the nanotube radius has little effect on the mechanical behavior of single wall carbon nanotubes subject to simple tension or pure torsion, while the nanotube orientation has somewhat larger influences. (C) 2003 Elsevier B.V. All rights reserved.
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