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Effect of synthesis temperature and cooling conditions of beta-dicalcium silicate on its hydration rate

✍ Scribed by P. Fierens; J. Tirlocq

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 384 KB
Volume: 13
Category: Article
ISSN: 0008-8846
DOI: 10.1016/0008-8846(83)90126-6

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✦ Synopsis

Beta-dicalcium silicates are synthesized between 1050 and 1550°C and are characterized with respect to their structure defects by cathodoluminescence, thermoluminescence and E.S.R.. Paste hydration kinetics are followed, in the early stage, by electrical conductivity and microcalorimetry ; for longer durations, D.T.G. and quantitative X.R°D. are used. Experimental results show that synthesis temperature affects greatly the hydration rate from the beginning to extended periods, while cooling conditions seem to have no significant influence. Hydration rate evolution with firing temperature and samples characteristics are compared in the final discussion.

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