Synchrotron radiation X-ray powder diffraction has been used to monitor the evolution of hydrous phases during the first hours of the hydration process on synthetic clinker phases and on commercial cements. In order to collect data as soon as water is added to the system, the hydration of the paste was achieved using a remote controlled system. The data were quantitatively analysed via full-profile Rietveld method. The results of quantitative analysis (phase composition) and the lattice parameters determination are very useful to obtain detailed information on the structural evolution of the hydrous phases, in particular during the early stages of the hydration processes.

Synchrotron radiation XRPD study on the early hydration of cements / M. Merlini, C. Meneghini, G. Artioli, T. Cerulli (SUPPLEMENT ISSUES OF ZEITSCHRIFT FÜR KRISTALLOGRAPHIE). - In: Tenth European Powder Diffraction Conference[s.l] : Oldenbourg Wissenschaftsverlag, 2007 Nov. - pp. 411-416 (( Intervento presentato al 10. convegno European Powder Diffraction : September 1st - 4th tenutosi a Genova nel 2006.

Synchrotron radiation XRPD study on the early hydration of cements

M. Merlini
Primo
;
G. Artioli
Penultimo
;
2007

Abstract

Synchrotron radiation X-ray powder diffraction has been used to monitor the evolution of hydrous phases during the first hours of the hydration process on synthetic clinker phases and on commercial cements. In order to collect data as soon as water is added to the system, the hydration of the paste was achieved using a remote controlled system. The data were quantitatively analysed via full-profile Rietveld method. The results of quantitative analysis (phase composition) and the lattice parameters determination are very useful to obtain detailed information on the structural evolution of the hydrous phases, in particular during the early stages of the hydration processes.
Cement; Hydration; Powder diffraction; Synchrotron radiation
Settore GEO/06 - Mineralogia
nov-2007
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/145185
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