氧化石墨烯调控水泥基材料形成大规模规整结构及其性能表征

doi:10.11896/j.issn.1005-023X.2017.024.003

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Abstract The cement composites was prepared by ultrasonic processing of prepared graphene oxide (GO) and polycarboxylate superplasticizer (PCs) in mixing water. The research results indicate that GO has been evenly dispersed in cement matrix and the cement hydration products became uniform polyhedron-shaped crystals and formed large-scale ordered and compact microstructure within the bulk cement. A 0.03% GO with size range of 30—190 nm resulted in compressive and flexural strengths increase rate of 78.8% and 112.7%, compared with the control sample. In constrast to GO with size range of 110—410 nm, the corresponding increase rate was 72.3% and 93.9%, respectively. Their durability has significantly improved compared to the control sample. Meanwhile, the forming mechanism of ordered crystals and structure was proposed.

Key words： graphene oxide cement composites microstructure forming mechanism properties

Published: 08 May 2018

CLC number:

TU528.572

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	Articles by authors
	LU Shenghua
	LUO Xiaoqian
	ZHANG Jia
	GAO Dangguo
	SUN Li
	HU Haoyan

Cite this article:

LU Shenghua,LUO Xiaoqian,ZHANG Jia, et al. Graphene Oxide Controlled Cement Materials Formation of Large-scale Ordered Structure and Its Properties Characterization[J]. Materials Reports, 2017, 31(24): 10-14.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.024.003 OR http://www.mater-rep.com/EN/Y2017/V31/I24/10

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