Effects of graphene oxide on microstructure and mechanical properties of graphene oxide-geopolymer composites

Xinhao Liu,Yueyue Wu,Maosen Li,Jinping Jiang,Liang Guo,Wenqiang Wang,Wensheng Zhang,Zuhua Zhang,Ping Duan

Construction and Building Materials（2020）

引用 52|浏览11

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摘要

•28-day flexural strength of geopolymer increases by 25% with 0.30 wt% GO.•GO/rGO accelerates the dissolution of fly ash microspheres and promotes the growth of geopolymer chain.•Electron binding energy of O1s, Si2p and Al2p confirms the change in geopolymerization degree.•The interfacial bonding mode of GO/rGO-geopolymer and reaction mechanism are proposed.

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关键词

Geopolymer,Fly ash,Graphene oxide,Microstructure,Mechanical properties

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