Paper Title:
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.

  Info
Periodical
Edited by
Deliang Chen
Pages
196-199
DOI
10.4028/www.scientific.net/AMR.266.196
Citation
J. L. Luo, Q. Y. Li, T. J. Zhao, S. W. Sun, "Piezoresistive Effect of Multi-Wall Carbon Nanotube Reinforced Epoxy Resin Coating", Advanced Materials Research, Vol. 266, pp. 196-199, 2011
Online since
June 2011
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