Assessment of dissociation rate of FeCr2O4 using the Bjerrum-Guggenheim coefficient

Assessment of dissociation rate of FeCr2O4 using the Bjerrum-Guggenheim coefficient

A calculation procedure of line positions of the monovariant phase equilibrium for the crystallization regions of a congruent compound using the osmotic coefficient of Bjerrum-Guggenheim (ɸ’ Am Bn) was developed. The relevant mathematical apparatus for an analytical description of lines and surfaces...

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Bibliographic Details
Published in:Metalurgija Vol. 60; no. 3-4; pp. 303 - 305
Main Authors: V. Tolokonnikova, S. Baisanov, G. Narikbayeva, I. Narikbayeva
Format: Journal Article
Language:English
Published: Croatian Metallurgical Society 01-07-2021
Subjects:
Bjerrum-Guggenheim coefficient
crystallization
dissociation rate
FeO-Cr2O3 system
phase diagrams
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Summary:A calculation procedure of line positions of the monovariant phase equilibrium for the crystallization regions of a congruent compound using the osmotic coefficient of Bjerrum-Guggenheim (ɸ’ Am Bn) was developed. The relevant mathematical apparatus for an analytical description of lines and surfaces of the phase crystallization was recommended. As an example of FeO-Cr2O3 oxide system, the assessment of dissociation rate of congruent compound of FeCr2O4 was performed. The demonstration material of behavior of the osmotic coefficient of Bjerrum-Guggenheim under boundary conditions as assessment criterion of melt structurewas presented.
ISSN:0543-5846
1334-2576