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Formation and Function of Ettringite in Cement Hyd…
Author:QIAN Jueshi  YU Jincheng  SUN Huaqiang  MA Ying 
Unit:College of Materials Science and Engineering  Chongqing University  Chongqing 400045  China 
Keyword:ettringite  cement  tricalcium aluminate  gypsum  
Year,volume(Issue):page number:2017,45(11):0-0

 Ettringite is one of the important hydration products of Portland cement and sulphoaluminate cement. This paper reviewed

the advances in ettringite researches with regard to the foundational characteristics, formation conditions, stability and function. The
further hot topics and difficulties in ettringite research were also discussed. It is suggested that the formation, stability and function of
ettringite could be related to the equilibrium between supplies of several components. Despite there is no exchange of component with
the external environment, it is still difficult to control the formation or keep the stability of ettringite all the time. For Portland cement,
it would decrease the negative effect of ettringite when controlling the sulphate supply, while keeping the supply of sulphate would
favor sulphoaluminate cement.
Foundation item:
国家重点研发计划(2017YFB0310003)和国家自然科学基金 重点项目(51132010)资助
About The Author:
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