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- Title
Relationship of Phase and Chemical Compositions with Durability of Ceramic Bricks Aged More Than 170 Years (Nativity Church, Samara Region).
- Authors
Abdrakhimova, E. S.; Abdrakhimov, V. Z.
- Abstract
The object of research is a ceramic brick taken from the wall of the Nativity Church (Rozhdestveno village, Samara region). The oxide chemical composition showed an increased content of Fe2O3 (3.45%) and alkalis (4.59%) in the material samples, which ensures the formation of a liquid phase already at 950°C. Element-by-element chemical analysis revealed an increased content of CaO (3.75%) in the samples, which contributes to the formation of anorthite that increases the products strength. The increased content of carbon in the samples (15.2%) indicates the introduction of fuel into the raw material, which ensures uniform sintering of the ceramic material inside the sample. The results of x-ray phase analysis and IR spectroscopic analysis of the samples composition confirmed that the increased content of calcium in them contributes to the formation of anorthite.
- Subjects
SAMARA (Russia); CERAMICS; RAW materials; DURABILITY; ANORTHITE; BRICKS; ANALYTICAL chemistry; CERAMIC materials
- Publication
Refractories & Industrial Ceramics, 2021, Vol 62, Issue 2, p185
- ISSN
1083-4877
- Publication type
Article
- DOI
10.1007/s11148-021-00580-x