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Journal article

The influence of SiO2 addition to 2MgO-Al2O3-3.3P2O5 glass

By Larsen, P.H.1; Poulsen, F.W.1; Berg, Rolf W.2

From

Risø National Laboratory1

Department of Chemistry, Technical University of Denmark2

2MgO-Al2O3-3.3P2O5 glasses with increasing amounts of SiO2 are considered for sealing applications in Solid Oxide Fuel Cells (SOFC). The change in chemical durability under SOFC anode conditions and the linear thermal expansion is measured as functions of the SiO2 concentration. Raman spectroscopy analysis of the glasses reveals no sign of important changes in the glass structure upon SiO2 addition.

Some increase in glass durability with SiO2 concentration is reported and its cause is discussed.

Language: English
Year: 1999
Pages: 16-24
ISSN: 00223093 and 18734812
Types: Journal article
DOI: 10.1016/S0022-3093(98)00848-5
ORCIDs: Berg, Rolf W.
Keywords

Industrielle materialer

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