The use of scanning transmission X-ray microscopy for the real-time study of cement hydration

被引：9
|
作者：
Clark, SM [1 ]
Morrison, GR
Shi, WD
机构：
[1] Daresbury Lab, CLRC, Warrington WA4 4AD, Cheshire, England
[2] Univ London Kings Coll, Dept Phys, London WC2R 2LS, England
来源：
CEMENT AND CONCRETE RESEARCH | 1999年 / 29卷 / 07期
关键词：
hydration; reaction; C-S-H; Ca3SiO5;
D O I：
10.1016/S0008-8846(99)00091-5
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The use of scanning transmission X-ray microscopy for the real-time study of cement hydration is presented. The technique is illustrated with a study of the hydration of tricalcium silicate. Tubules emerging from C3S grains were found to grow in a contorted fashion when the water-to-cement ratio was 3:1. This is in contrast to observations with larger water-to-cement ratios when the tubules were found to grow in a linear fashion. A scheme for the progression of the hydration reaction suggested by our observations is presented. The potential of chemical state imaging was also explored and promises exciting possibilities for the understanding of cement hydration. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1099 / 1102
页数：4
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