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    Revisit to the Estimation of Percolation Thresholds in Electrical Conducting Nanocomposites

    Access Status
    Fulltext not available
    Authors
    Lu, Chunsheng
    Date
    2010
    Type
    Conference Paper
    
    Metadata
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    Citation
    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
    978-0-85825-941-6
    School
    Department of Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/28578
    Collection
    • Curtin Research Publications
    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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