Fracture and Fatigue in Graphene Nanocomposites

Graphene fillers are shown to be remarkably effective in suppressing crack propagation in epoxy polymers (see image). The graphene fillers show comparable increases in fracture toughness and fatigue crack propagation resistance to carbon nanotube, nanoparticle, and nanoclay additives at one to two o...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2010-01, Vol.6 (2), p.179-183
Main Authors: Rafiee, Mohammed A., Rafiee, Javad, Srivastava, Iti, Wang, Zhou, Song, Huaihe, Yu, Zhong-Zhen, Koratkar, Nikhil
Format: Article
Language:English
Subjects:
fatigue
fractures
graphene
Graphite - chemistry
nanocomposites
Nanocomposites - chemistry
Nanocomposites - ultrastructure
Stress, Mechanical
Surface Properties
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Summary:Graphene fillers are shown to be remarkably effective in suppressing crack propagation in epoxy polymers (see image). The graphene fillers show comparable increases in fracture toughness and fatigue crack propagation resistance to carbon nanotube, nanoparticle, and nanoclay additives at one to two orders of magnitude lower nanofiller weight fraction. This extraordinary property is related to deflection processes associated with the high‐aspect‐ratio sheet structure of graphene.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200901480