Effect of nanoadditives on the kinetics of CaSO sub(4) . 2H sub(2)O formation and the mosaic structure of crystals

The effect of nanoadditives on the fine structure and formation kinetics of CaSO sub(4) . 2H sub(2)O crystals has been studied by X-ray diffraction and scanning electron microscopy. The results demonstrate that the formation of gypsum dihydrate occurred most actively in a material containing microad...

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Bibliographic Details
Published in:Inorganic materials 2015-01, Vol.51 (1), p.68-70
Main Authors: Tyumentsev, V A, Fazlitdinova, A G, Dozhdikova, D V, Krivtsov, I V
Format: Article
Language:English
Subjects:
Calcium sulfate
Crystal structure
Crystallites
Diffraction
Formations
Gypsum
Mosaics
Nanostructure
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Summary:The effect of nanoadditives on the fine structure and formation kinetics of CaSO sub(4) . 2H sub(2)O crystals has been studied by X-ray diffraction and scanning electron microscopy. The results demonstrate that the formation of gypsum dihydrate occurred most actively in a material containing microadditions of nanotubes. The calcium sulfate dihydrate crystals had a mosaic structure. The hydration of gypsum hemihydrate containing microsilica additions led to the formation of the smallest crystallites of a new phase.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168515010197