CUED Publications database

A preliminary study into the effect of superplasticisers on the dispersion of graphene materials in cement

Papanikolaou, I and Litina, C and Al-Tabbaa, A (2018) A preliminary study into the effect of superplasticisers on the dispersion of graphene materials in cement. In: UNSPECIFIED pp. 123-130..

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Abstract

© 2018 Czech Technical University in Prague. All rights reserved. This research investigates an emerging material - graphene - that can be used to strengthen and increase the durability of the cement matrix. Graphene/cement composites are considered to improve the mechanical strength, rate of hydration, resistance to chloride attack and aggressive environments and to instigate a self-sensing mechanism. The key challenge addressed in this research, is the dispersion of two graphene materials - graphene oxide (GO) and graphene nanoplatelets (GNPs) - in the cement matrix. Superplasticisers, ultrasonication and magnetic stirring are all trialled as potential dispersion methods. The findings suggest that using a polycarboxylate superplasticiser is the most efficient dispersion method for both materials. This is confirmed through rheology testing, zeta potential, compressive strength tests and microidentation.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 09 Nov 2018 20:45
Last Modified: 25 Jul 2019 01:56
DOI: