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Thermodynamic Assessment of the System CoO‐MnO
Author(s) -
BERGMAN BILL,
ÅGREN JOHN
Publication year - 1986
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1986.tb07387.x
Subject(s) - phase diagram , thermodynamics , spinodal decomposition , gibbs free energy , calphad , homogeneous , materials science , thermodynamic databases for pure substances , solid solution , phase (matter) , material properties , thermodynamic process , chemistry , metallurgy , physics , organic chemistry
The thermodynamic properties of pure CoO and CoO‐MnO solutions have been analyzed in terms of thermodynamic models applying various experimental data. Expressions for the Gibbs energy of the individual phases have been obtained and the phase diagram is calculated. It reveals a homogeneous solid solution at temperatures above room temperature but a miscibility gap at very low temperatures.