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Equilibrium Oxygen Fugacity in Titanium Ferrites
Author(s) -
Honig J. M.,
Aragón R.
Publication year - 1986
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19865400911
Subject(s) - mineral redox buffer , fugacity , oxygen , stoichiometry , titanium , thermodynamics , phase (matter) , metal , materials science , chemistry , mineralogy , metallurgy , physics , organic chemistry
The subsolidus equilibrium oxygen fugacities for the boundaries of the Fe 3 O 4 Fe 2 TiO 4 stability field above 1000°C have been calculated from available data. A Frenkel point defect equilibrium model is described, which uniquely determines the single phase intrinsic oxygen fugacity, as a function of temperature, Ti content, and metal‐oxygen stoichiometry.