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Glass and Ceramics
Erschienen in: Glass and Ceramics 3-4/2018

16.07.2018 | AT ENTERPRISES AND INSTITUTES

Effect of the Ratio SiO2/Al2O3 on the Structure, Properties, and Thermal Stability of Geopolymer Refractory Materials

verfasst von: L. Dembovska, I. Pundiene, D. Bajare, G. Bumanis

Erschienen in: Glass and Ceramics | Ausgabe 3-4/2018

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Abstract

The properties of lightweight geopolymer materials (GM) based on refractory technogenic aluminosilicate wastes were studied. The effect of the ratio of the oxides SiO2 and Al2O3 in the compositions of GM on the physical and mechanical properties of GM was investigated. It was found that SiO2/Al2O3 reduction in the GM composition results in higher density and strength and lower water absorption of the samples after a keeping period. After firing at temperatures 800 and 1000°C the strength of the samples becomes all the higher the lower the ratio SiO2/Al2O3 in the composition. The heat resistance of the samples comprises four thermal cycles for high and more than seven cycles low ratio SiO2/Al2O3.
Vorheriger Artikel Synthesis of Composite Heat-Insulating Material Based on Liquid Glass and Salt Wastes from Aluminum Production
Nächster Artikel Powders Synthesized from Calcium Acetate and Mixed-Anionic Solutions, Containing Orthophosphate and Carbonate Ions, for Obtaining Bioceramic

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Metadaten
Titel
Effect of the Ratio SiO2/Al2O3 on the Structure, Properties, and Thermal Stability of Geopolymer Refractory Materials
verfasst von
L. Dembovska
I. Pundiene
D. Bajare
G. Bumanis
Publikationsdatum
16.07.2018
Verlag
Springer US
Erschienen in
Glass and Ceramics / Ausgabe 3-4/2018
Print ISSN: 0361-7610
Elektronische ISSN: 1573-8515
DOI
https://doi.org/10.1007/s10717-018-0039-0

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