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Electrical Percolation Effect on Electromechanical Behavior of CNT Nanocomposites

Author(s): Yves Ngabonziza | Jackie Li

Journal: Journal of Systemics, Cybernetics and Informatics
ISSN 1690-4532

Volume: 9;
Issue: 6;
Start page: 15;
Date: 2011;
Original page

Keywords: Percolation Threshold | Multi-Walled Carbon Nanotubes | Nanocomposites | Mechanical Loading | Electrical Conductivity

Electrical resistance responses of multi-walled carbon nanotubes (MWCNT) reinforced polypropylene (PP) nanocomposites under mechanical tensile loading are studied in this paper. A standard tensile test was conducted while the electrical resistance was measured using 2-probe method. From our previous works on the CNT/PP nanocomposites, the percolation threshold of electrical conductivity is around 3.8 wt% of CNT. The influence of this percolation threshold on the electrical resistance upon mechanical loading was investigated. The results will be discussed and compared.
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