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Time-resolved studies of the early hydration of cements using synchrotron energy-dispersive diffraction

Muhamad, Mohamed Noor and Paul B, Barnes and Clark, Simon Martin and Häusermann, Daniel and Fentiman, Charles H. and Henderson, Eric W. and Rashid, Shahwana (1992) Time-resolved studies of the early hydration of cements using synchrotron energy-dispersive diffraction. Phase transitions , 39 . pp. 117-128.

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Official URL: http://dx.doi.org/10.1080/01411599208203475

Abstract

We outline the need to study the early hydration of cements by dynamic diffraction methods, and demonstrate how this can be done using a “hydration cell” designed specifically for the parallel beam geometry of synchrotron energy-dispersive diffraction. The method has been applied to three systems: a model component of portland cement, a high-alumina cement and an ettringite-based cement. The results show how this technique might be used to gather information on the kinetics of the chemical processes involved. In the case of ettringite, we can follow dynamically the crystallisation process on an unprecedented 20 second time scale. © 1992, Taylor & Francis Group, LLC. All rights reserved.

Item Type:Article
Uncontrolled Keywords:Cement ; Hydration ; X ray diffraction ; Energy dispersion ; Synchrotrons ; Time resolution ; Portland cement ; Ettringite ; High alumina melted cement ;
Subjects:Q Science > Q Science (General)
Q Science > QD Chemistry
Q Science > QC Physics
Divisions:Science
ID Code:2501
Deposited By: Mohamed Noor Muhamad
Deposited On:07 Feb 2017 03:20
Last Modified:07 Feb 2017 03:30

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