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Sequential Characterization of the Hydration Products of Cements with Additions by a Combination of Destructive and Non-Destructive Techniques: Calorimetry, XRD, AFM and EIS

Published online by Cambridge University Press:  01 February 2011

E. Menéndez  and
J. De Frutos
E. Menéndez
Affiliation:
Institute “Eduardo Torroja” of Construction Science (CSIC). C/ Serrano Galvache, 4, 28033Madrid (Spain)
J. De Frutos
Affiliation:
POEMMA R&D Group. ETSIT (UPM). Ciudad Universitaria, s/n – 28040 Madrid (Spain) Email: emm@ietcc.csic.es.
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Abstract

In this paper a comparative study of the hydration process in a very early age, first 20 hours, between a conventional cement paste and its equivalent with a replacement of fly ash of about 7.9%, is done. The study was undertaken through semiadibatic calorimetry, electrical impedance spectroscopy and X-ray diffraction. It shows that using electrical impedance spectroscopy we can determine the state of crystallization of the material with and without additions, thereby determining the time at which the different processes are started in the hydration

Keywords

phase transformationdielectric propertiescalorimetryXRDcomposite
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1275: Structural and Chemical Characterization of Metals, Alloys and Compounds , 2010 , S3-P73
Copyright
Copyright © Materials Research Society 2010

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