Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 74: Issue 2

Calorimetric studies of refractory corundum

Authors:
J. Sawków Institute of Refractory Materials ul. Toszecka 99 44-101 Gliwice Poland ul. Toszecka 99 44-101 Gliwice Poland

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and
Wiesława Nocuń-Wczelik University of Mining and Metallurgy Faculty of Material Science and Ceramics Mickiewicza 30 30-059 Cracow Poland Mickiewicza 30 30-059 Cracow Poland

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Pages:
451–458
Online Publication Date:
03 Nov 2004
Publication Date:
01 Nov 2003
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000005180.83880.1c
Keywords:
calcium aluminate cement; refractory concrete; heat of hydration
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Abstract  

Calorimetry has been used in the investigations of calcium aluminate materials produced as a binder for aluminate-corundum composites of high refractoriness. The kinetics and of hydration process was thus characterized and the optimum compositions of initial binders and cement-corundum refractory filler blends could be selected for further tests. The acceleration of heat evolution - the shortening of so-called induction period and relatively high heat output in the presence of corundum was observed. It means the acceleration of hydration process, that is early crystallisation of hydration products and subsequent further dissolution of initial anhydrous aluminate phases. In the presence of fine grained corundum particles these phenomena should be attributed to the nucleating effect of fine corundum particles.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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