Reinforcing Mechanisms of Single-Walled Carbon Nanotube-Reinforced Polymer Composites

Authors: Li, Xiaodong; Gao, Hongsheng; Scrivens, Wally A.; Fei, Dongling; Xu, Xiaoyou; Sutton, Michael A.; Reynolds, Anthony P.; Myrick, Michael L.

Source: Journal of Nanoscience and Nanotechnology, Volume 7, Number 7, July 2007 , pp. 2309-2317(9)

Publisher: American Scientific Publishers

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Abstract:

The reinforcing mechanisms of single-walled carbon nanotube-reinforced epoxy composites were studied by micromechanics models. The modeling results obtained from both Halpin-Tsai and Mori-Tanaka models are in good agreement with the experimental results. It has been found that these two models are also applicable to other single-walled carbon nanotube-reinforced, amorphous-polymer composites, given the existence of efficient load transfer. The reinforcing mechanisms that work in polymer-carbon nanotube composites were studied. The reasons responsible for the low mechanical property enhancement of single-walled carbon nanotube in polymer composites were discussed in conjunction with the effective fiber length concept, interface between nanotube bundles and the matrix, properties of the reinforcements and matrix, bundle effects, bundle curvature, and alignment.

Keywords: CARBON NANOTUBES; POLYMER NANOCOMPOSITES; PROPERTIES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2007.410

Publication date: July 1, 2007

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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