INVESTIGATIONS ON THE INFLUENCE OF ALUMINA ON THE HYDRATION OF MONOCALCIUM ALUMINATE AT DIFFERENT TEMPERATURES

Authors
RETTEL A SEYDEL R GESSNER W BAYOUX JP CAPMAS A
Citation
A. Rettel et al., INVESTIGATIONS ON THE INFLUENCE OF ALUMINA ON THE HYDRATION OF MONOCALCIUM ALUMINATE AT DIFFERENT TEMPERATURES, Cement and concrete research, 23(5), 1993, pp. 1056-1064
Citations number
13
Categorie Soggetti
Construcion & Building Technology","Material Science
Journal title
Cement and concrete research → ACNP
ISSN journal
00088846
Volume
23
Issue
5
Year of publication
1993
Pages
1056 - 1064
Database
ISI
SICI code
0008-8846(1993)23:5<1056:IOTIOA>2.0.ZU;2-F
Abstract
The influence of alumina on the hydration of monocalcium aluminate (CA 1) has been studied at 15, 20 and 25-degrees-C using differential calo rimetric analysis and X-ray powder diffraction. The hydration of CA in the presence of alumina has been accelerated very strongly at all tem peratures in contrast to the hydration of pure CA where an anomalous s etting behaviour has been observed above 22-degrees-C. In the case of the mixtures C2AH8 is the main hydration product at 20 and 25-degrees- C, i.e. in the range of the anomalous hydration behaviour of pure CA. During the hydration of CA and CA/A mixtures considerable amounts of X -ray amorphous products have been formed.