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

P. T. Dalla; P. Alafogianni; I. K. Tragazikis; D. A. Exarchos; K. Dassios; N.-M. Barkoula; T. E. Matikas

doi:10.1117/12.2085501

27 March 2015 The effect of different surfactants/plastisizers on the electrical behavior of CNT nano-modified cement mortars

P. T. Dalla, P. Alafogianni, I. K. Tragazikis, D. A. Exarchos, K. Dassios, N.-M. Barkoula, T. E. Matikas

Author Affiliations +

Proceedings Volume 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015; 94360W (2015) https://doi.org/10.1117/12.2085501
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

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.

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P. T. Dalla, P. Alafogianni, I. K. Tragazikis, D. A. Exarchos, K. Dassios, N.-M. Barkoula, and T. E. Matikas "The effect of different surfactants/plastisizers on the electrical behavior of CNT nano-modified cement mortars", Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 94360W (27 March 2015); https://doi.org/10.1117/12.2085501

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