Thermal behaviour of gypsum based composites

DTA/TG and X-ray investigations were carried out on different building composites in order to examine their relative hydration processes. The presence of lime, hemihydrate gypsum, ferosilicate, and some other wastes as leaner and hydrophobic additive in different proportions into composites provokes...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2007-04, Vol.88 (1), p.99-102
Main Authors: ZDRAVKOV, B, PELOVSKI, Y
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Materials
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Summary:DTA/TG and X-ray investigations were carried out on different building composites in order to examine their relative hydration processes. The presence of lime, hemihydrate gypsum, ferosilicate, and some other wastes as leaner and hydrophobic additive in different proportions into composites provokes hydration reactions, leading to calcium silicate hydrate (CSH), ettringite and an intermediate phase formation with varying chemical composition of calcium, aluminum, silicon and sulfur.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-006-8096-y