Behavior of magnesium phosphate cement with addition of sulphoaluminate cement at elevated temperatures

Jincheng Yu,Jueshi Qian,Huaxin Chen, Yongan Ji,Dongliang Kuang,Xingwen Jia,Bowen Guan

CONSTRUCTION AND BUILDING MATERIALS（2023）

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摘要

•CSA was introduced into MPC to improve its thermal properties at elevated temperatures.•30% CSA was recommended to replace MgO in MPC pastes below 400 °C.•10% CSA was recommended to replace MgO above 1000 °C.•The amorphous phases formed in CSA-MPC may fill the paste structures and remain stable below 400 °C.

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关键词

Magnesium phosphate cement (MPC),Sulphoaluminate cement (CSA),Elevated temperatures,Residual compressive strength

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