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Solid Solution Behavior of FeOx and TiOx in Low-Alumina Mullite
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Xi YUE, Yong LI, Peng JIANG, Xiuhua ZHANG
Journal of the Chinese Ceramic Society | 2023, 51(3) : 669 - 676
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Journal of the Chinese Ceramic Society | 2023, 51(3): 669-676
• Review •
Solid Solution Behavior of FeOx and TiOx in Low-Alumina Mullite
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Xi YUE, Yong LI, Peng JIANG, Xiuhua ZHANG
Affiliations
  • School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

    • YUE Xi (1996-), female, Doctorial candidate. E-mail:

About Author:

YUE Xi (1996-), female, Doctorial candidate. E-mail:

Published: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220861
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Bauxite ores usually contain some iron and titanium oxides, which are difficult to remove simultaneously with conventional beneficiation processes. The oxides of iron and titanium will form low melting point phases during the preparation of mullite by sintering with bauxite, resulting in a reduction of the high-temperature properties of mullite. This review represented the solid solution behavior of iron oxides and titanium oxides in mullite based on the open spatial structure of mullite and its ability to accommodate different metal ions at different temperatures and atmospheres. The solubility of TiO2 in mullite is 1.36%-4.10% at 1 400-1 700 ℃. Fe2O3 of 10%-12% can make a solid solution in mullite microstructure at 1 300 ℃. Ti3+ and Fe2+ are poorly solidified in mullite. Moreover, the formation of solid solutions of iron and titanium with mullite provides a limited enhancement of mullite properties. In addition, the efficient use of mullite containing iron and titanium was also discussed.

low-alumina mullite  /  iron oxides  /  titanium oxides  /  solid solution behaviour
岳茜, 李勇, 蒋朋, 张秀华. 低铝莫来石中FeOx和TiOx固溶行为研究现状. 硅酸盐学报, 2023 , 51 (3) : 669 -676 . DOI: 10.14062/j.issn.0454-5648.20220861
Xi YUE, Yong LI, Peng JIANG, Xiuhua ZHANG. Solid Solution Behavior of FeOx and TiOx in Low-Alumina Mullite[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 669 -676 . DOI: 10.14062/j.issn.0454-5648.20220861
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Year 2023 volume 51 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20220861
  • Receive Date：2022-10-11
  • Online Date：2026-10-20
  • Published：2023-03-20
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History
  • Received：2022-10-11
  • Revised：2022-11-20
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Affiliations
    School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

Corresponding:

LI Yong (1964-), male, Ph. D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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