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High‐Temperature Stability of Ca 2 ZrSi 4 O 12
Author(s) -
Jacob K. Thomas,
Waseda Yoshio
Publication year - 1994
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.1151-2916.1994.tb04543.x
Subject(s) - monoclinic crystal system , orthorhombic crystal system , gibbs free energy , quartz , mineralogy , materials science , atmospheric temperature range , analytical chemistry (journal) , crystallography , chemistry , crystal structure , thermodynamics , metallurgy , physics , chromatography
The standard Gibbs free energy of formation of orthorhombic Ca 2 ZrSi 4 O 12 from component oxides ZrO 2 (monoclinic), CaO (rock salt), and SiO 2 (quartz) has been determined in the temperature range 973 to 1273 K using a solid‐state cell incorporating single‐crystal CaF 2 as the electrolyte:This is the only quantitative information now available on the stability Ca 2 ZrSi 4 O 12 .