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

S. M. Clark*, G. R. Morrison, W. D. Shi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)1099-1102
Number of pages4
JournalCement and Concrete Research
Volume29
Issue number7
DOIs
Publication statusPublished - Jul 1999
Externally publishedYes

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