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Issue 87, 2017, Issue in Progress
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Revealing the dependence of the physiochemical and mechanical properties of cement composites on graphene oxide concentration

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Abstract

This paper presents a comprehensive study to evaluate the influence of graphene oxide (GO) concentration on the physiochemical and mechanical properties of cement mortar composites. Scanning electron micrographs (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR) characterizations were performed to understand the correlation between physicochemical and observed axial tension and compression properties of GO–cement mortar composites. The results show considerable concentration dependence, with the optimum concentration of 0.1% GO that increases the tensile and compressive strength of the composite by 37.5% and 77.7%, respectively. These results are explained by the stronger bonding of calcium silicate hydrate (C–S–H) components in the cement matrix in the presence of GO sheets and the dependence of their dispersions and possible aggregation.

Graphical abstract: Revealing the dependence of the physiochemical and mechanical properties of cement composites on graphene oxide concentration

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Supplementary files

Article information


Submitted
10 Sep 2017
Accepted
23 Nov 2017
First published
05 Dec 2017

This article is Open Access

RSC Adv., 2017,7, 55148-55156
Article type
Paper

Revealing the dependence of the physiochemical and mechanical properties of cement composites on graphene oxide concentration

A. Gholampour, M. V. Kiamahalleh, Diana N. H. Tran, T. Ozbakkaloglu and D. Losic, RSC Adv., 2017, 7, 55148
DOI: 10.1039/C7RA10066C

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