Effects of Graphene Oxide On Early-age Hydration And Electrical Resistivity Of Portland Cement Paste
Wengui Li,Wengui Li,Xiangyu Li,Xiangyu Li,Shu Jian Chen,Yan Ming Liu,Wenhui Duan,Surendra P. Shah +7 more
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TLDR
In this article, the effects of graphene oxide (GO) on the early-age hydration process and mechanical properties of Portland cement paste were experimentally investigated in a study based on an isothermal calorimeter measurement, the hydration rate of cement was observed to increase with the increase of GO content by nucleation effect.About:
This article is published in Construction and Building Materials.The article was published on 2017-04-01 and is currently open access. It has received 208 citations till now. The article focuses on the topics: Portland cement & Cement.read more
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Experimental test and analytical modeling of mechanical properties of graphene-oxide cement composites
Zhongcheng Duan,Li Zhang,Zhiyuan Lin,Ding Fan,Mohamed Saafi,João Paulo de Castro Gomes,Shangtong Yang +6 more
TL;DR: In this article, a multi-scale analytical model for predicting the elastic modulus of graphene oxide-cement taking into account the graphene oxide/cement ratio, porosity and mechanical properties of different phases is presented.
Journal ArticleDOI
Graphene oxide as an additive to enhance the strength of cementitious composites
TL;DR: In this paper, the feasibility of using graphene oxide (GO) as an additive to improve the strength of cementitious composites was discussed, where 0.025% of the unit weight of cement was replaced by GO.
Journal ArticleDOI
Using graphene oxide to improve the mechanical and electrical properties of fiber-reinforced high-volume sugarcane bagasse ash cement mortar
R. Gopalakrishnan,Ravi Kaveri +1 more
TL;DR: In this article, a set of experiments was conducted for analyzing the implementation of graphene oxide on electrical properties, water absorption, ultrasonic pulse velocity analysis, and compressive strength of fiber-reinforced sugarcane bagasse ash mortars.
Journal ArticleDOI
Experimental investigation for the influence of graphene oxide on properties of the cement-waste concrete powder composite
TL;DR: In this article, the effects of Graphene oxide (GO) on properties and microstructure of cement-waste concrete powder (WCP) composite were investigated experimentally in detail, a nonmetallic ultrasound detection for compactness, X-ray diffraction (XRD) detection for mineral composition and scanning electron microscope (SEM) detection was put in use.
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Effect of graphene oxide on the deterioration of cement pastes exposed to citric and sulfuric acids
TL;DR: In this paper, the deterioration of graphene oxide-modified cement pastes exposed to 1M citric acid (C6H8O7) and 1M sulfuric acid (H2SO4) environments for two weeks was examined.
References
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Graphene oxide dispersions in organic solvents.
TL;DR: In all of these solvents, full exfoliation of the graphite oxide material into individual, single-layer graphene oxide sheets was achieved by sonication, and graphene oxide dispersions exhibited long-term stability and were made of sheets between a few hundred nanometers and a few micrometers large.
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Nanotechnology in concrete – A review
TL;DR: In this paper, the state of the field of nanotechnology in concrete is reviewed and the impact of recent advances in instrumentation and computational materials science and their use in concrete research is discussed.
PatentDOI
Highly dispersed carbon nanotube-reinforced cement-based materials
TL;DR: In this paper, a composite cement material is prepared from cement material and carbon nanotubes, wherein the carbon-nanotubes are present from about 002 wt % to about 1 0 % based on the weight of the cement material.
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Reinforcing effects of graphene oxide on portland cement paste
Kai Gong,Zhu Pan,Asghar Habibnejad Korayem,Ling Qiu,Dan Li,Francis Gerard Collins,Chien Ming Wang,Wenhui Duan +7 more
TL;DR: In this paper, the reinforcing effects of graphene oxide (GO) on portland cement paste are investigated, and it is discovered that the introduction of 0.03% by weight GO sheets into the cement paste can increase the compressive strength and tensile strength of the cement composite by more than 40%.
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Investigation of blended cement hydration by isothermal calorimetry and thermal analysis
Ivindra Pane,Will Hansen +1 more
TL;DR: In this paper, the authors used differential thermal analysis, thermogravimetric analysis (DTA/TGA) and isothermal calorimetry to determine the degree of hydration of blended cements and pozzolan reaction.