Revisit to the Estimation of Percolation Thresholds in Electrical Conducting Nanocomposites
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Authors
Lu, Chunsheng
Date
2010Type
Conference Paper
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Lu, Chunsheng. 2010. Revisit to the Estimation of Percolation Thresholds in Electrical Conducting Nanocomposites, in Howard, I. et al. (ed), The 6th Australasian Congress on Applied Mechanics (ACAM 6), Dec 13 2010. Perth, WA: Engineers Australia.
Source Title
Proceedings of the 6th Australasian Congress on Applied Mechanics
Source Conference
The 6th Australasian Congress on Applied Mechanics (ACAM 6)
ISBN
School
Department of Mechanical Engineering
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Abstract
The critical volume fraction or percolation threshold of nano-fillers is a key parameter in optimising electrical conducting nanocomposites. In this paper, several models based on the concepts of mean field, excluded volume and renormalisation are introduced and applied to study the influence of geometrical factors of nano-fillers such as aspect ratio and dimension on percolation thresholds. The relationships obtained from these models can be used to estimate the percolation thresholds of nanotubes and graphene in nanocomposites. Some efficient methods for controlling the percolation threshold of a given nano-filler in polymer matrix are discussed.
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