Thermodynamic assessment of the Fe–V–O system
Source abstract
Abstract
Abstract The Fe–V–O system over the whole composition range was optimized according to the reliable phase equilibria and thermodynamic data. The modified quasichemical model was used to describe the liquid phase from metal alloy to oxide melt. Based upon the Compound Energy Formalism, the FeV2O4–Fe3O4 spinel solution was described by a sublattice model considering the cation distribution between tetrahedral and octahedral sites. Wustite, corundum and (VO2)s.s. were described using a simple Bragg-Williams model. A set of self-consistent model parameters was obtained and the available phase diagram and thermodynamic data were reproduced well within experimental error limits. The complex phase relations in the Fe–V–O system at various temperatures and oxygen partial pressures were elucidated.
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Research context
OpenAlex topics: Metallurgical Processes and Thermodynamics · Advanced materials and composites · High-Temperature Coating Behaviors
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