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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Influence of hybrid graphene oxide/carbon nanotubes on the mechanical properties and microstructure of magnesium potassium phosphate cement paste
Yuhang Du,Jian Yang,Blessen Skariah Thomas,Lihui Li,Huanyu Li,Wafaa Mohamed Shaban,Wai Tung Chong +6 more
TL;DR: In this paper, the effect of hybrid graphene oxide (GO)/carbon nanotubes (CNTs) on the mechanical and microstructural properties of the magnesium potassium phosphate cement (MKPC) paste was investigated.
Journal ArticleDOI
Reinforcing Mechanism of Graphene and Graphene Oxide Sheets on Cement-Based Materials
Jintao Liu,Qinghua Li,Shilang Xu +2 more
TL;DR: Graphene and graphene oxide (GO) sheets have great potential to improve the properties of traditional cement-based building materials as discussed by the authors, and the effects of graphene and GO on traditional building materials have been studied.
Journal ArticleDOI
Using graphene oxide to improve the properties of ultra-high-performance concrete with fine recycled aggregate
TL;DR: In this paper, the optimal amount of GO for recycling construction and demolition waste was found to be 0.06 wt, considering the mechanical properties, durability properties, and pore structure of the UHPC.
Journal ArticleDOI
Effects of carbon nanotubes on the early-age hydration kinetics of Portland cement using isothermal calorimetry
TL;DR: In this paper, the effects of carbon nanotubes (CNTs) on the hydration kinetics of CNT-cement nanocomposites have been investigated, and it was found that CNT content, not "good" or "poor" dispersion quality, had a greater effect upon the overall nanocomposition hydration and microstructural development.
Journal ArticleDOI
Investigating pore structure of nano-engineered concrete with low-field nuclear magnetic resonance
TL;DR: In this paper, the pore structure of reactive powder concrete (RPC) with nanofillers was analyzed using low-field nuclear magnetic resonance (LFMR) to characterize the porosity of RPC and comprehensively understand the effect of ndillers on the microscopic behavior of concrete.
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.