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Effect of Fe2O3 Addition on Phase Composition and Fabric and Densification Evolution of Ca2Mg2Al28O46
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Yun LIU, Hongfeng YIN, Yun TANG, Yalou XIN, Xiaohu REN, Hudie YUAN, Kewei SUN
Journal of the Chinese Ceramic Society | 2023, 51(6) : 1499 - 1509
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Journal of the Chinese Ceramic Society | 2023, 51(6): 1499-1509
• Research Articles •
Effect of Fe2O3 Addition on Phase Composition and Fabric and Densification Evolution of Ca2Mg2Al28O46
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Yun LIU, Hongfeng YIN, Yun TANG, Yalou XIN, Xiaohu REN, Hudie YUAN, Kewei SUN
Affiliations
  • College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

    • LIU Yun (1996-), female, Doctoral candidate. E-mail:

About Author:

LIU Yun (1996-), female, Doctoral candidate. E-mail:

Published: 2023-06-20 doi: 10.14062/j.issn.0454-5648.20230044
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Ca2Mg2Al28O46 (C2M2A14) refractory has a superior high-temperature performance for high-temperature kilns. In this paper, a ternary compounds-C2M2A14 was synthesized via high-temperature solid-state reaction sintering. Effects of firing temperature and Fe2O3 addition on the phase composition, fabric and densification evolution of the specimens were investigated. The results show that the C2M2A14 is generated by the reaction of CaAl12O19 (CA6) with spinel at 1 650 ℃, and is produced in large quantities at 1 750 ℃. The densification evolution is accelerated with the transformation from hexagonal lamellar CA6 to polyhedron C2M2A14 and the appearance of eutectic liquid. The hexagonal plate of (1,1,15) preferred orientation is changed to the rhombohedral of (119) preferred orientation after adding Fe2O3, and the densification evolution is promoted, and more dense synthetic products can be obtained at the same firing temperature due to the solid solution strengthening of Fe ions. The apparent porosity, water absorption, and bulk density of C2M2A14 (1% Fe2O3) specimen fired at 1 780 ℃ for 3 h are 12.5%, 3.9%, and 3.20 g·cm-3, respectively. A high-temperature refractory is obtained.

calcium magnesium aluminum oxide  /  phase composition  /  fabric  /  densification evolution
刘云, 尹洪峰, 汤云, 辛亚楼, 任小虎, 袁蝴蝶, 孙可为. Fe2O3对Ca2Mg2Al28O46相组成与组构及其致密化进程的影响. 硅酸盐学报, 2023 , 51 (6) : 1499 -1509 . DOI: 10.14062/j.issn.0454-5648.20230044
Yun LIU, Hongfeng YIN, Yun TANG, Yalou XIN, Xiaohu REN, Hudie YUAN, Kewei SUN. Effect of Fe2O3 Addition on Phase Composition and Fabric and Densification Evolution of Ca2Mg2Al28O46[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (6) : 1499 -1509 . DOI: 10.14062/j.issn.0454-5648.20230044
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Year 2023 volume 51 Issue 6
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Article Info
doi: 10.14062/j.issn.0454-5648.20230044
  • Receive Date：2023-02-02
  • Online Date：2026-10-20
  • Published：2023-06-20
Article Data
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History
  • Received：2023-02-02
  • Revised：2023-03-04
Funding
Affiliations
    College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

Corresponding:

YIN Hongfeng (1965-), 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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