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Proceedings Paper

The effect of different surfactants/plastisizers on the electrical behavior of CNT nano-modified cement mortars
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Paper Abstract

Cement-based materials have in general low electrical conductivity. Electrical conductivity is the measure of the ability of the material to resist the passage of electrical current. The addition of a conductive admixture such as Multi-Walled Carbon Nanotubes (MWCNTs) in a cement-based material increases the conductivity of the structure. This research aims to characterize nano-modified cement mortars with MWCNT reinforcements. Such nano-composites would possess smartness and multi-functionality. Multifunctional properties include electrical, thermal and piezo-electric characteristics. One of these properties, the electrical conductivity, was measured using a custom made apparatus that allows application of known D.C. voltage on the nano-composite. In this study, the influence of different surfactants/plasticizers on CNT nano-modified cement mortar specimens with various concentrations of CNTs (0.2% wt. cement CNTs - 0.8% wt. cement CNTs) on the electrical conductivity is assessed.

Paper Details

Date Published: 27 March 2015
PDF: 8 pages
Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 94360W (27 March 2015); doi: 10.1117/12.2085501
Show Author Affiliations
P. T. Dalla, Univ. of Ioannina (Greece)
P. Alafogianni, Univ. of Ioannina (Greece)
I. K. Tragazikis, Univ. of Ioannina (Greece)
D. A. Exarchos, Univ. of Ioannina (Greece)
K. Dassios, Univ. of Ioannina (Greece)
N.-M. Barkoula, Univ. of Ioannina (Greece)
T. E. Matikas, Univ. of Ioannina (Greece)

Published in SPIE Proceedings Vol. 9436:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015
Kara J. Peters, Editor(s)

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