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Carbon nanotube surface chemistry and its effects on interfacial nanomechanics

Published online by Cambridge University Press:  01 February 2011

Asa H. Barber ,
Sidney R. Cohen  and
H. Daniel
Asa H. Barber
Affiliation:
Wagner Department of Materials and Interfaces & Weizmann Institute of Science Rehovot 76100, ISRAEL
Sidney R. Cohen
Affiliation:
Chemical Research Support, Weizmann Institute of Science Rehovot 76100, ISRAEL
H. Daniel
Affiliation:
Wagner Department of Materials and Interfaces & Weizmann Institute of Science Rehovot 76100, ISRAEL
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Abstract

Individual multi-walled carbon nanotube pullout experiments were used to measure the adhesion strength at a nanotube-epoxy polymer interface. The interfacial strength was found, as expected, to increase when the nanotubes were chemically treated to induce strong bonding with the polymer matrix. At long nanotube embedment lengths within the polymer, the nanotubes were seen to fracture in preference to failure at their interface with the polymer. Interfacial mechanics models are applied to the data to describe interfacial adhesion at the nano-level.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 858: Symposium HH – Functional Carbon Nanotubes , 2004 , HH6.3
Copyright
Copyright © Materials Research Society 2005

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References

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