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Materials 2017, 10(6), 662; doi:10.3390/ma10060662

Nanoscaled Mechanical Properties of Cement Composites Reinforced with Carbon Nanofibers

Department of Civil Engineering, Curtin University, Perth 6845, Australia
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Received: 6 May 2017 / Revised: 14 June 2017 / Accepted: 14 June 2017 / Published: 16 June 2017
(This article belongs to the Special Issue Improving Performance of Nanocomposite Materials)
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Abstract

This paper reports the effects of carbon nanofibers (CNFs) on nanoscaled mechanical properties of cement composites. CNFs were added to cement composites at the filler loading of 0.2 wt % (by wt. of cement). Micrographs based on scanning electron microscopy (SEM) show that CNFs are capable of forming strong interfacial bonding with cement matrices. Experimental results using nanoindentation reveal that the addition of CNFs in cement composites increases the proportions of high-density calcium-silicate-hydrate gel (HD-CSH) compared to low-density CSH gel. It was also found that the inclusion of CNFs increases the compressive strength of cement composites. View Full-Text
Keywords: CNF; nanoindentation; SEM; compressive strength; Young’s modulus CNF; nanoindentation; SEM; compressive strength; Young’s modulus
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Barbhuiya, S.; Chow, P. Nanoscaled Mechanical Properties of Cement Composites Reinforced with Carbon Nanofibers. Materials 2017, 10, 662.

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