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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Research progress on the effect of graphene oxide on the properties of cement-based composites
TL;DR: Graphene oxide has significant strengthening and toughening effects on cement-based composites as a nano-reinforcement filler, and research progress on these materials is presented in this article.
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Improved Interfacial Bonding Strength and Reliability of Functionalized Graphene Oxide for Cement Reinforcement Applications
Nan Wang,Shuping Wang,Luping Tang,Lilei Ye,Björn Cullbrand,Abdelhafid Zehri,Behabitu Ergette Tebikachew,Johan Liu,Johan Liu +8 more
TL;DR: A novel functionalization method for the fabrication of functionalized GO (FGO) which is capable of forming highly reliable covalent bonds with cement hydration products and thereby can be used as an efficient reinforcing agent for cement composites.
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Effect of admixing graphene oxide on abrasion resistance of ordinary portland cement concrete
TL;DR: In this paper, the authors have shown that the addition of graphene oxide (GO) can increase the compressive strength at the macro level and scratch depth at the micro level, both of which could be related to the abrasion resistance of OPC concrete.
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Investigation of the hydration properties of cement with EDTA by alternative current impedance spectroscopy
TL;DR: In this article, the influence of EDTA on the hydration of hardening concrete has been investigated using alternative current impedance spectroscopy (ACIS) and the results indicate a wider prospect of ACIS in monitoring the microstructure evolution and macro properties of cementitious materials.
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Effective strategies to realize high-performance graphene-reinforced cement composites
Felipe Basquiroto de Souza,Xupei Yao,Junlin Lin,Zunaira Naseem,Zhaolin Tang,Yaoxin Hu,Wenchao Gao,Kwesi Sagoe-Crentsil,Wenhui Duan +8 more
TL;DR: In this paper , a review of recent advances in GNS-reinforced cementitious composites, focused on the novel strategies (i.e., dispersion, hybridization, coating, and dry mixing approaches) to effectively incorporate GNS into cement/concrete mixes.
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.