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Phase Equilibrium in the System CrO 2 ‐Cr 2 O 3
Author(s) -
FUKUNAGA OSAMU,
SAITO SHINROKU
Publication year - 1968
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.1151-2916.1968.tb11893.x
Subject(s) - piston (optics) , phase boundary , phase equilibrium , phase (matter) , thermodynamics , materials science , cylinder , line (geometry) , analytical chemistry (journal) , mineralogy , chemistry , physics , mathematics , geometry , optics , organic chemistry , chromatography , wavefront
The CrO 2 ‐Cr, O 3 equilibrium curve has been determined up to 35 kbars and 1400° C with a piston‐cylinder apparatus. The phases were determined by magnetic, X‐ray, and microscopic examination. The phase boundary can be represented by a straight line log P versus 1/T plot, where log P = 5.3 ‐ 1400/ T. These results can be extrapolated to agree reasonably well with the results of previous investigations using gas pressure techniques.