Occurrence of Ti3+ and Fe2+ in Mullite |
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| Authors: | Hartmut Schneider Helmut Rager |
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| Affiliation: | Forschungsinstitut der Feuerfest-Industrie, An der Elisabethkirche 27, 5300 Bonn 1, FRG;Fachbereich Geowissenschaften der Universitat, Lahnberge, 3550 Marburg, FRG |
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| Abstract: | Electron paramagnetic studies showed that Ti3+ and Fe2+ 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 Ti3+ and Fe2+ to Ti4+ and Fe3+, respectively. |
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