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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Effect of microlimestone on properties of self-consolidating concrete with manufactured sand and mineral admixture
TL;DR: In this article, the authors investigated the properties of self-consolidating concrete (SCC) with different microlimestone powder (MLS) replacements of retreated manufactured sand (TMsand) and found that the TMSCC with 12% MLS content exhibits the best workability.
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Effect of Delaminated MXene (Ti3C2) on the Performance of Cement Paste
TL;DR: In this paper, a delaminated MXene was incorporated into cement to improve the properties of cement composites, and its effects on the hydration process, microstructures, and mechanical properties were investigated, respectively.
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Enhanced dispersion of graphene oxide in cement matrix with isolated-dispersion strategy
TL;DR: The homogeneous dispersion of graphene oxide (GO) in cementitious materials is critical to achieve its unique properties as mentioned in this paper, based on the formation kinetic of GO aggregation and the pro...
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Effect of graphene oxide on early hydration and compressive strength of Portland cement-copper tailing powder composite binder
TL;DR: In this paper, the effect of graphene oxide (GO) on early hydration, compressive strength, hydration products and microstructure of Portland cement-copper tailing powder composite binder (CTB) was investigated by applying the isothermal calorimeter.
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Preparation of a three-dimensional modified graphene oxide via RAFT polymerization for reinforcing cement composites
TL;DR: In this article, the growth models of poly(poly(ethylene glycol) methyl ether methacrylate) (PPOE) and poly (poly(polyylene glycol), methyl ether methyl ether (MEM) -co- acrylic acid) (poly (POE-co-AA)) from GO surface were predicted by TEM and SEM.
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.