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The hydration processes in the ternary system fly ash/calcium aluminate cement/calcium sulphate (FA/CAC/C$) at 20 °C were investigated; six compositions from the ternary system FA/CAC/C$ were selected for this study. The nature of the reaction products in these pastes were analysed by X-ray diffraction (XRD) and infrared spectroscopy (FTIR). At four days reaction time, the main hydration reaction product in these pastes was ettringite and the samples with major initial CAC presented minor ettringite but calcium aluminates hydrates. The amount of ettringite developed in the systems has no direct relation with the initial components.
CitationFernandez-Carrasco, L.; Vazquez, E. Reactions of fly ash with calcium aluminate cement and calcium sulphate. "Fuel", Setembre 2009, vol. 88, núm. 9, p. 1533-1538.
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