Forecast of Crystallizing Phases and Modeling of Chemical Interaction in the System CaO–MgO–SiO2

The phase tree of the previously studied СаO–MgO–SiO 2 system was constructed. The phase tree includes three cycles. The phase tree is represented by fifteen simplices separated by fifteen stable secants. The formation of six double and four ternary compounds of congruent and incongruent melting was...

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Bibliographic Details
Published in:Glass physics and chemistry 2023-04, Vol.49 (2), p.121-128
Main Authors: Garkushin, I. K., Lavrent’eva, O. V., Shterenberg, A. M.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemical synthesis
Chemistry and Materials Science
Composites
Glass
Magnesium oxide
Materials Science
Natural Materials
Physical Chemistry
Silicon dioxide
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Summary:The phase tree of the previously studied СаO–MgO–SiO 2 system was constructed. The phase tree includes three cycles. The phase tree is represented by fifteen simplices separated by fifteen stable secants. The formation of six double and four ternary compounds of congruent and incongruent melting was noted in the system. On the basis of the phase tree, taking into account the data on faceting elements, a forecast of crystallizing phases in stable secants and in phase secondary triangles was carried out. For the figurative points of the composition, corresponding to the intersections of stable and unstable secants, the chemical interaction is described on the basis of thermodynamic data. It has been shown that ternary compounds can be synthesized by several reactions.
ISSN:1087-6596
1608-313X
DOI:10.1134/S1087659622601058