Interrelation of the Phase and Chemical Compositions with the Longevity of the Ceramic Material of the > 600 yr Old Barcelona Catholic Cathedral

The elemental chemical composition showed a heightened weight content of calcium (Ca = 5.9%) in the samples, which promotes formation of anorthite, which increases the strength of articles, and a heightened weight content of carbon (C = 14.79%) attests the introduction of fuel into the green part bo...

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Bibliographic Details
Published in:Glass and ceramics 2020-05, Vol.77 (1-2), p.33-36
Main Authors: Abdrakhimova, E. S., Abdrakhimov, V. Z.
Format: Article
Language:English
Subjects:
Analysis
Anorthite
Cathedrals
Ceramic materials
Ceramics
Characterization and Evaluation of Materials
Chemical composition
Chemistry and Materials Science
Composites
Fuels
Glass
Iron
Liquid phases
Materials Science
Natural Materials
Plagioclase
Sintering
Weight
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Summary:The elemental chemical composition showed a heightened weight content of calcium (Ca = 5.9%) in the samples, which promotes formation of anorthite, which increases the strength of articles, and a heightened weight content of carbon (C = 14.79%) attests the introduction of fuel into the green part body. The heightened weight content of fuel in the green body promotes uniform sintering of the ceramic inside the sample. A heightened weight content of iron (Fe = 2.98%) and alkali (R 2 O = Na 2 O + K 2 O = 2.57%) in the sample will promote formation of a liquid phase at 950°C. X-ray phase analysis was confirmed by elemental analysis indicating that the heightened calcium content promotes the formation of anorthite.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-020-00232-5