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Preparation and Microwave Absorption Properties of (Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)Fe2O4 High-Entropy Spinel Ceramics
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Qian WANG, Yuzhao MA, Xiaofeng YANG, Shengsheng ZHANG, Yilong ZHANG, Jiahui ZHANG
Journal of the Chinese Ceramic Society | 2023, 51(12) : 3102 - 3113
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Journal of the Chinese Ceramic Society | 2023, 51(12): 3102-3113
• Research Articles •
Preparation and Microwave Absorption Properties of (Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)Fe2O4 High-Entropy Spinel Ceramics
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Qian WANG, Yuzhao MA, Xiaofeng YANG, Shengsheng ZHANG, Yilong ZHANG, Jiahui ZHANG
Affiliations
  • Xi'an University of Architecture and Technology, school of Materials Science and Engineering, Xi'an 710055, China

    • WANG Qian (1998-), female, Master candidate. E-mail:

About Author:

WANG Qian (1998-), female, Master candidate. E-mail:

Published: 2023-09-11 doi: 10.14062/j.issn.0454-5648.20230348
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Single-phase bulk high-entropy spinel ceramics of (Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)Fe2O4 were prepared via solid-phase reaction. The phase composition, microstructure and element distribution were analyzed by X-ray diffraction, scanning electron microscopy and energy dispersive spectroscopy. The volume density of the ceramics increases and the porosity decreases with the increase of sintering temperature. The dense high-entropy spinel ceramic sintered at 1 200 ℃ presents a single-phase, uniform distribution of elements, and its bending strength and fracture toughness reach 43.00 MPa and 1.30 MPa·m1/2, respectively. The high-entropy spinel ceramic as a good load bearable broadband microwave absorbing ceramic has dielectric loss and magnetic loss to electromagnetic wave, and the maximum effective absorption bandwidth (EAB=12.37 GHz) maxi can be obtained at 3.0 mm.

ferrite  /  high entropy ceramics  /  spinel structure  /  electromagnetic absorption properties
王倩, 马昱昭, 杨晓凤, 张圣圣, 张翼龙, 张嘉慧. (Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)Fe2O4高熵陶瓷的制备与吸波性能. 硅酸盐学报, 2023 , 51 (12) : 3102 -3113 . DOI: 10.14062/j.issn.0454-5648.20230348
Qian WANG, Yuzhao MA, Xiaofeng YANG, Shengsheng ZHANG, Yilong ZHANG, Jiahui ZHANG. Preparation and Microwave Absorption Properties of (Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)Fe2O4 High-Entropy Spinel Ceramics[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (12) : 3102 -3113 . DOI: 10.14062/j.issn.0454-5648.20230348
Appendix
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Year 2023 volume 51 Issue 12
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Article Info
doi: 10.14062/j.issn.0454-5648.20230348
  • Receive Date：2023-05-19
  • Online Date：2026-10-19
  • Published：2023-09-11
Article Data
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History
  • Received：2023-05-19
  • Revised：2023-06-21
Funding
Affiliations
    Xi'an University of Architecture and Technology, school of Materials Science and Engineering, Xi'an 710055, China

Corresponding:

MAYuzhao (1988-), female, Master candidate, Lecturer. E-mail:
YANG Xiaofeng (1978-), female, Master candidate, Associate Professor.
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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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