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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.

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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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