Journal ArticleDOI
Reactive molecular dynamics and experimental study of graphene-cement composites: Structure, dynamics and reinforcement mechanisms
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TLDR
In this article, the effects of graphene and graphene oxide on the hydration, microstructures and mechanical properties of cement paste were investigated by using reactive force field molecular dynamics (MD), revealing that functional hydroxyl groups in GO provide non-bridging oxygen (NBO) sites that accept hydrogen-bonds of interlayer water molecules in the calcium silicate hydrate (CSH).About:
This article is published in Carbon.The article was published on 2017-05-01. It has received 278 citations till now. The article focuses on the topics: Calcium silicate hydrate & Graphene.read more
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Combine ingress of chloride and carbonation in marine-exposed concrete under unsaturated environment: A numerical study
Xiao-han Shen,Qing-feng Liu,Qing-feng Liu,Zhi Hu,Wen-qiang Jiang,Xiaoshan Lin,Dongshuai Hou,Peng Hao +7 more
TL;DR: In this paper, the effects of crucial environmental parameters, the temperature, the relative humidity and the carbon dioxide concentration, on the interaction of carbonation and chloride transport process, are also scrutinized.
Journal ArticleDOI
Optimized design of steel fibres reinforced ultra-high performance concrete (UHPC) composites: Towards to dense structure and efficient fibre application
Fan Dingqiang,Fan Dingqiang,Rui Yu,Liu Kangning,Liu Kangning,Tan Junhui,Tan Junhui,Shui Zhonghe,Shui Zhonghe,Wu Chunfeng,Wang Shuo,Wang Shuo,Guan Zhenfeng,Guan Zhenfeng,Hu Zhengdong,Hu Zhengdong,Su Qiqi,Su Qiqi +17 more
TL;DR: In this paper, a method for designing steel fiber reinforced Ultra-High Performance Concrete (UHPC) composites with dense micro/meso structure and efficient fiber application is presented.
Journal ArticleDOI
Effect of carbon fibers grafted with carbon nanotubes on mechanical properties of cement-based composites
Hongzhi Cui,Zhiyang Jin,Dapeng Zheng,Waiching Tang,Yubo Li,Yanchun Yun,Tommy Y. Lo,Feng Xing +7 more
TL;DR: In this paper, a novel chemical method was developed for grafting carbon nanotubes (CNTs) onto the surface of carbon fibers (CF) using (3-Aminopropyl) triethoxysilane (KH550).
Journal ArticleDOI
High-Performance Graphene-Based Cementitious Composites.
Małgorzata Krystek,Małgorzata Krystek,Dawid Pakulski,Dawid Pakulski,Violetta Patroniak,Marcin Górski,Leszek Szojda,Artur Ciesielski,Artur Ciesielski,Paolo Samorì +9 more
TL;DR: A cementitious composite incorporating electrochemically exfoliated graphene (EEG) outperforms previously reported cementitious composites containing graphene derivatives and represents a major step forward toward the practical application of nanomaterials in civil engineering.
Journal ArticleDOI
Hybrid graphene oxide/carbon nanotubes reinforced cement paste: An investigation on hybrid ratio
TL;DR: In this article, the improved properties of hybrid graphene oxide (GO)/carbon nanotubes (CNTs) reinforced cement paste with various ratios between GO and CNTs were analyzed by comparing the resulting fluidity, compressive and flexural strengths.
References
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Journal ArticleDOI
Fast parallel algorithms for short-range molecular dynamics
TL;DR: In this article, three parallel algorithms for classical molecular dynamics are presented, which can be implemented on any distributed-memory parallel machine which allows for message-passing of data between independently executing processors.
Fast parallel algorithms for short-range molecular dynamics
TL;DR: Comparing the results to the fastest reported vectorized Cray Y-MP and C90 algorithm shows that the current generation of parallel machines is competitive with conventional vector supercomputers even for small problems.
Journal ArticleDOI
Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
TL;DR: Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.
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Processable aqueous dispersions of graphene nanosheets
TL;DR: It is reported that chemically converted graphene sheets obtained from graphite can readily form stable aqueous colloids through electrostatic stabilization, making it possible to process graphene materials using low-cost solution processing techniques, opening up enormous opportunities to use this unique carbon nanostructure for many technological applications.
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A second-generation reactive empirical bond order (REBO) potential energy expression for hydrocarbons
Donald W. Brenner,Olga Shenderova,Judith A. Harrison,Steven J. Stuart,Boris Ni,Susan B. Sinnott +5 more
TL;DR: Brenner as mentioned in this paper presented a second generation potential energy function for solid carbon and hydrocarbon molecules that is based on an empirical bond order formalism, allowing for covalent bond breaking and forming with associated changes in atomic hybridization within a classical potential, producing a powerful method for modelling complex chemistry in large many-atom systems.