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Materials 2014, 7(3), 1640-1651; doi:10.3390/ma7031640

Mechanical Properties and Durability of CNT Cement Composites

Civil Engineering Department, Universidad de Alicante, Ctra San Vicente s/n, San Vicente del Raspeig 03690, Spain
* Author to whom correspondence should be addressed.
Received: 15 November 2013 / Revised: 20 February 2014 / Accepted: 24 February 2014 / Published: 28 February 2014
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In the present paper, changes in mechanical properties of Portland cement-based mortars due to the addition of carbon nanotubes (CNT) and corrosion of embedded steel rebars in CNT cement pastes are reported. Bending strength, compression strength, porosity and density of mortars were determined and related to the CNT dosages. CNT cement paste specimens were exposed to carbonation and chloride attacks, and results on steel corrosion rate tests were related to CNT dosages. The increase in CNT content implies no significant variations of mechanical properties but higher steel corrosion intensities were observed.
Keywords: CNT; multifunctional composites; cement; durability; mechanical properties CNT; multifunctional composites; cement; durability; mechanical properties
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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del Carmen Camacho, M.; Galao, O.; Baeza, F.J.; Zornoza, E.; Garcés, P. Mechanical Properties and Durability of CNT Cement Composites. Materials 2014, 7, 1640-1651.

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