Enhanced properties of graphene/fly ash geopolymeric composite cement
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TLDR
In this article, the incorporation of in-situ reduced graphene oxide (rGO) into geopolymers was reported for the first time, and the resulting rGO-geopolymeric composites are easy to manufacture and exhibit excellent mechanical properties.About:
This article is published in Cement and Concrete Research.The article was published on 2015-01-01 and is currently open access. It has received 191 citations till now. The article focuses on the topics: Flexural strength & Graphene.read more
Citations
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Graphene-based materials and their composites: A review on production, applications and product limitations
TL;DR: Graphene-based materials and their composites possess promising applications in wide range of fields such as, electronics, biomedical aids, membranes, flexible wearable sensors and actuators as mentioned in this paper.
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Characteristics and applications of fly ash as a sustainable construction material: A state-of-the-art review
Gang Xu,Xianming Shi +1 more
TL;DR: In this paper, a comprehensive review of relevant literature to evaluate the properties and performance of fly ash, with a particular focus on recent advances in characterization, compositional understanding, hydration mechanism, activation approaches, durability and sustainability, is presented.
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Graphene-based nanosheets for stronger and more durable concrete: A review
Ezzatollah Shamsaei,Felipe Basquiroto de Souza,Xupei Yao,Emad Benhelal,Abozar Akbari,Wenhui Duan +5 more
TL;DR: Graphene and graphene-based nanosheets (GNS) possess extraordinary mechanical, chemical, thermal and electrical properties, enabling attractive applications, ranging from structural strength/durability improvement, anti-corrosion, to self-cleaning surfaces and energy saving.
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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
TL;DR: 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.
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Graphene nanoplatelet-fly ash based geopolymer composites
TL;DR: In this paper, the effect of the addition of graphene nanoplatelets (GNPs) on the microstructure and mechanical properties of a fly ash based geopolymer was reported.
References
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Graphene and Graphene Oxide: Synthesis, Properties, and Applications
TL;DR: An overview of the synthesis, properties, and applications of graphene and related materials (primarily, graphite oxide and its colloidal suspensions and materials made from them), from a materials science perspective.
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Graphene/Polymer Nanocomposites
TL;DR: Graphene has emerged as a subject of enormous scientific interest due to its exceptional electron transport, mechanical properties, and high surface area, and when incorporated appropriately, these atomically thin carbon sheets can significantly improve physical properties of host polymers at extremely small loading.
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Enhanced mechanical properties of nanocomposites at low graphene content.
TL;DR: Graphene platelets significantly out-perform carbon nanotube additives in terms of mechanical properties enhancement, and may be related to their high specific surface area, enhanced nanofiller-matrix adhesion/interlocking arising from their wrinkled (rough) surface, as well as the two-dimensional geometry of graphene platelets.
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Synthesis and exfoliation of isocyanate-treated graphene oxide nanoplatelets
TL;DR: In this article, a number of functionalized graphite oxides were prepared by treatment of graphite oxide (GO) with organic isocyanates, which can then be exfoliated into functionalized graphene oxide nanoplatelets that can form a stable dispersion in polar aprotic solvents.
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Deoxygenation of Exfoliated Graphite Oxide under Alkaline Conditions: A Green Route to Graphene Preparation
TL;DR: In this article, a new green route for the synthesis of processable graphene on a large scale was reported by heating an exfoliated graphite oxide (GO) suspension under strongly alkaline conditions at moderate temperatures (50-90 8C).