27 March 2015 The effect of CNTs reinforcement on thermal and electrical properties of cement-based materials
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This research aims to investigate the influence of the nano-reinforcement on the thermal properties of cement mortar. Nano-modified cement mortar with carbon nanotubes (CNTs) leading to the development of innovative materials possessing multi-functionality and smartness. Such multifunctional properties include enhanced mechanical behavior, electrical and thermal conductivity, and piezo-electric characteristics. The assessment of the thermal behavior was evaluated using IR Thermography. Two different thermographic techniques are used to monitor the influence of the nano-reinforcement. To eliminate any extrinsic effects (e.g. humidity) the specimens were dried in an oven before testing. The electrical resistivity was measured with a contact test method using a custom made apparatus and applying a known D.C. voltage. This study indicate that the CNTs nano-reinforcement enhance the thermal and electrical properties and demonstrate them useful as sensors in a wide variety of applications.
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D. A. Exarchos, D. A. Exarchos, P. T. Dalla, P. T. Dalla, I. K. Tragazikis, I. K. Tragazikis, T. E. Matikas, T. E. Matikas, "The effect of CNTs reinforcement on thermal and electrical properties of cement-based materials", Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 94360E (27 March 2015); doi: 10.1117/12.2085491; https://doi.org/10.1117/12.2085491

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