Effect of C/S Ratio on Morphology and Structure of Hydrothermally Synthesized Calcium Silicate Hydrate

The samples of the C-S-H series were synthesized by hydrothermal reaction of fumed silica, CaO and deionized water at initial C/S ratios between 1.0-1.7. Phase composition and structural and morphology characteristics of C-S-H samples were analyzed by XRD, IR and SEM. The experimental results showed...

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Veröffentlicht in:Journal of Wuhan University of Technology. Materials science edition 2011-08, Vol.26 (4), p.770-773
Hauptverfasser: He, Yongjia, Zhao, Xiaogang, Lu, Linnu, Struble, Leslie J., Hu, Shuguang
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container_title Journal of Wuhan University of Technology. Materials science edition
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creator He, Yongjia
Zhao, Xiaogang
Lu, Linnu
Struble, Leslie J.
Hu, Shuguang
description The samples of the C-S-H series were synthesized by hydrothermal reaction of fumed silica, CaO and deionized water at initial C/S ratios between 1.0-1.7. Phase composition and structural and morphology characteristics of C-S-H samples were analyzed by XRD, IR and SEM. The experimental results showed that the d-spacing of (002), (110) and (020) decreased, the d-spacing of (200) increased, and the d-spacing of (310) varied randomly, the polymerization of silica tetrahedra of C-S-H decreased, and morphology of C-S-H samples varied from sheet shapes to long reticular fibers as C/S ratio increased.
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Phase composition and structural and morphology characteristics of C-S-H samples were analyzed by XRD, IR and SEM. 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source Springer Nature - Complete Springer Journals; Alma/SFX Local Collection
subjects Calcium silicate hydrate
Chemistry and Materials Science
Deionization
Fumed silica
Infrared radiation
Materials Science
Morphology
Phase composition
Polymerization
Silicon dioxide
去离子水
形态特征
样品制备
气相二氧化硅
水化硅酸钙
水热反应
水热合成
结构
title Effect of C/S Ratio on Morphology and Structure of Hydrothermally Synthesized Calcium Silicate Hydrate
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