Reinforcement and workability aspects of graphene-oxide-reinforced cement nanocomposites

We explored the mechanical and the rheological properties of cement reinforced with graphene oxide (GO, STANDARD GRAPHENE INC.) in the presence of a superplasticizer. The GO enhanced the compressive and flexural strengths of the cement matrix by 40% and 70%, respectively, at extremely low GO concent...

Full description

Saved in:

Bibliographic Details
Published in:	Composites. Part B, Engineering Vol. 161; pp. 68 - 76
Main Authors:	Birenboim, Matan, Nadiv, Roey, Alatawna, Amr, Buzaglo, Matat, Schahar, Gal, Lee, Jounghoon, Kim, Gunsoo, Peled, Alva, Regev, Oren
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 15-03-2019
Subjects:	Cement nanocomposites Mechanical properties Particle-reinforcement Plates Rheological properties Mechanical properties Cement nanocomposites Particle-reinforcement Plates Rheological properties
Online Access:	Get full text
Tags:	Add Tag No Tags, Be the first to tag this record!

Description
Summary:	We explored the mechanical and the rheological properties of cement reinforced with graphene oxide (GO, STANDARD GRAPHENE INC.) in the presence of a superplasticizer. The GO enhanced the compressive and flexural strengths of the cement matrix by 40% and 70%, respectively, at extremely low GO concentrations (<0.05 wt%). An optimal nanomaterial concentration (ONC) was observed, above which the properties deteriorate due to the formation of voids in the composite. In a comparison of different nanofiller-reinforced systems, the superiority of the cement + GO + superplasticizer system over other previously reported systems was shown by comparing the nanofiller reinforcement efficiency and a figure of merit that combines the nanocomposite's mechanical and rheological properties.
ISSN:	1359-8368 1879-1069
DOI:	10.1016/j.compositesb.2018.10.030