Fracture Transitions at a Carbon-Nanotube/Polymer Interface

The interfacial strength between carbon nanotubes and a polymer matrix increases dramatically when the carbon‐nanotube surface is chemically modified. As individual nanotubes are pulled from a polymer matrix, a transition from pullout to fracture occurs (see Figure) at a critical nanotube embedded l...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2006-01, Vol.18 (1), p.83-87
Main Authors: Barber, A. H., Cohen, S. R., Eitan, A., Schadler, L. S., Wagner, H. D.
Format: Article
Language:English
Subjects:
Carbon nanotube composites
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Summary:The interfacial strength between carbon nanotubes and a polymer matrix increases dramatically when the carbon‐nanotube surface is chemically modified. As individual nanotubes are pulled from a polymer matrix, a transition from pullout to fracture occurs (see Figure) at a critical nanotube embedded length, with chemically modified nanotubes showing a smaller critical length than unmodified ones.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200501033