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Occurrence of Ti 3+ and Fe 2+ in Mullite
Author(s) -
Schneider Hartmut,
Rager Helmut
Publication year - 1984
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.1151-2916.1984.tb19500.x
Subject(s) - mullite , materials science , paramagnetism , atmosphere (unit) , reducing atmosphere , electron paramagnetic resonance , metallurgy , nuclear chemistry , analytical chemistry (journal) , radiochemistry , mineralogy , chemistry , ceramic , nuclear magnetic resonance , physics , condensed matter physics , chromatography , thermodynamics
Electron paramagnetic studies showed that Ti 3+ and Fe 2+ occur in mullites taken from a refractory material which was fused‐cast under a reducing atmosphere. Exposure of the mullite samples to temperatures >1600°C caused oxidation of Ti 3+ and Fe 2+ to Ti 4+ and Fe 3+ , respectively.