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Simulation of Carbon Nanotube Pull-outWhen Bonded to a Polymer Matrix

Published online by Cambridge University Press:  11 February 2011

S. J. V. Frankland  and
V. M. Harik
S. J. V. Frankland
Affiliation:
ICASE, M/S 132C, NASA Langley Research Center, Hampton, VA 23681–2199
V. M. Harik
Affiliation:
Swales Aerospace, M/S 186A, NASA Langley Research Center, Hampton, VA 23681–2199
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Abstract

A carbon nanotube pulling through a polyethylene matrix was simulated using molecular dynamics. The interfacial sliding was characterized in terms of a nanoscale friction model, which is parametrized from the molecular dynamics simulation, and involves determining the critical pull-out force on the nanotube and the effective viscosity at the nanotube/polymer interface. Comparison was made of the pull-out behavior of non-bonded and functionalized nanotube composites. Chemical bonds between the polymer and the nanotube increased the critical pullout force, the resistance to interfacial sliding, and the interfacial viscosity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 740: Symposium I – Nanomaterials for Structural Applications , 2002 , I12.1
Copyright
Copyright © Materials Research Society 2003

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References

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