Effect of CaO Content and Microstructure on Hydration Resistance of MgO-CaO Clinkers

Abstract:

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Hydration resistance of three commercially available high-purity MgO-CaO clinkers were investigated and compared in the present paper. The results show that, as well as CaO content, microstructural morphology of MgO–CaO clinker affects its hydration resistance. The microstructure in which CaO is present at the grain boundaries of MgO leads to poorer hydration resistance, whereas the one in which CaO and MgO are distributed alternately confers much improved hydration resistance on the clinker, especially when MgO level is high enough to cover most of the CaO crystals.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

1679-1682

DOI:

10.4028/www.scientific.net/KEM.280-283.1679

Citation:

H. Z. Gu et al., "Effect of CaO Content and Microstructure on Hydration Resistance of MgO-CaO Clinkers", Key Engineering Materials, Vols. 280-283, pp. 1679-1682, 2005

Online since:

February 2007

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Price:

$35.00

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