Transformation of the Phase Diagram of a Ternary System with Stoichiometric Compounds with Varying Its State Parameters

The laws of change in the form of the subsolidus phase diagram with varying temperature or pressure in a ternary system with stoichiometric compounds were studied using a topological approach. A notion of conjugate phase diagrams in the p – T space was introduced. Five types of phase reactions leadi...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2021-03, Vol.66 (3), p.401-404
Main Authors: Shestakov, V. A., Kosyakov, V. I.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Conjugates
Inorganic Chemistry
Materials science
Phase diagrams
Phase transitions
Physicochemical Analysis of Inorganic Systems
Ternary systems
Topology
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Summary:The laws of change in the form of the subsolidus phase diagram with varying temperature or pressure in a ternary system with stoichiometric compounds were studied using a topological approach. A notion of conjugate phase diagrams in the p – T space was introduced. Five types of phase reactions leading to such diagrams were determined. Topological singularities of conjugate diagrams were found. The determined laws can be used to enumerate conjugate phase diagrams in the subsolidus region, which is particularly significant for solving applied problems of materials science.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023621030165