Piezoresistive Effect of Multi-Wall Carbon Nanotube Reinforced Epoxy Resin Coating

Jian Lin Luo; Qiu Yi Li; Tie Jun Zhao; Sheng Wei Sun

doi:10.4028/www.scientific.net/AMR.266.196

Paper Titles

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Rapid Synthesis of Cyclomatrix Polyphosphazene Spheres and their Application for the Production of Microporous Carbon Spheres
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Seismic Performance of Corroded RC Circular Columns Strengthened with Hybrid Fiber Reinforced Polymers
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Piezoresistive Effect of Multi-Wall Carbon Nanotube Reinforced Epoxy Resin Coating
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Solid Phase Synthesis of Novel Fullerene Nucleotides Conjugates
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 266Piezoresistive Effect of Multi-Wall Carbon...

Piezoresistive Effect of Multi-Wall Carbon Nanotube Reinforced Epoxy Resin Coating

Abstract:

Some conductive MWNT with different loading was filled in epoxy resin through the dispersion technique of surfactant-decoration, high-intensive shear mixing, and bath sonication process. This kind of conductive functional resin coating was then simply brushed on a FRP sheet surface. The electrical conductivity of the cured nanocomposite coating was acquired by four-electrode method to explore the percolation threshold and piezoresistive effect. The change in its longitudinal strain of the coating and FRP sheet was simultaneously sampled under three-point bending. Results reveal that, at the onset percolation threshold (2.0%), the nanocomposite possesses superior piezoresistive effect with high strain-sensitivity (up to 27), which favors to health monitoring to FRP structure used as a novel self-sensing coating.

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Periodical:

Advanced Materials Research (Volume 266)

Pages:

196-199

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.266.196

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Online since:

June 2011

Authors:

Jian Lin Luo, Qiu Yi Li, Tie Jun Zhao, Sheng Wei Sun

Keywords:

Electrical Conductivity, Fiber Reinforced Polymer (FRP), Multi-Walled Carbon Nanotube (MWCNT), Piezoresistivity Property

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