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Preparation and Microwave Absorption Properties of (Fe, Co, Ni, Cu, Zn)CrxOy High-Entropy Multiphase Ceramics
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Depeng LI1, Zhikai YAN1, Biao ZHAO1, Li GUAN1, Bingbing FAN2, Hailong WANG2, Rui ZHANG1, 2, 3
Journal of the Chinese Ceramic Society | 2022, 50(6) : 1489 - 1498
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Journal of the Chinese Ceramic Society | 2022, 50(6): 1489-1498
• Research Articles •
Preparation and Microwave Absorption Properties of (Fe, Co, Ni, Cu, Zn)CrxOy High-Entropy Multiphase Ceramics
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Depeng LI1, Zhikai YAN1, Biao ZHAO1, Li GUAN1, Bingbing FAN2, Hailong WANG2, Rui ZHANG1, 2, 3
Affiliations
  • 1.School of Material, Zhengzhou University of Aeronautics, Zhengzhou 450046
  • 2.School of Material Science and Engineering, Zhengzhou University, Zhengzhou 450001
  • 3.Luoyang Institute of Science and Technology, Luoyang 471023 Henan

    • LI Depeng (1995-), male, Master candidate. E-mail:

About Author:

LI Depeng (1995-), male, Master candidate. E-mail:

Published: 2022-06-20 doi: 10.14062/j.issn.0454-5648.20211179
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Based on the in-depth study of high-entropy alloys, a concept of configuration entropy stable single phase is introduced into inorganic non-metallic materials, thus developing high-entropy ceramics. The advantage of high-entropy ceramics is the diversity of composition and structure, which makes them have an application potential as functional materials. In this paper, high-entropy multiphase ceramics with a spinel structure and a perovskite structure were synthesized by a simple solid-state sintering method. The phase composition, microstructure, element content and valence state, and electromagnetic wave absorption properties were investigated. The microwave absorption properties of high-entropy multiphase ceramics sintered at different temperatures were analyzed. The results show that the high-entropy multiphase ceramics can be prepared, and two crystal structures (i.e., spinel structure and perovskite structure) can be formed due to the high-entropy effect. At 1 300 ℃, there exists a maximum dielectric constant. The high-entropy multiphase ceramics prepared have the optimum electromagnetic wave absorption performance when the frequency range is 8.2-12.4 GHz.

high-entropy ceramics  /  spinel structure  /  perovskite structure  /  dielectric loss  /  electromagnetic wave absorption property
李德鹏, 严智楷, 赵彪, 关莉, 范冰冰, 王海龙, 张锐. (Fe，Co，Ni，Cu，Zn)CrxOy高熵复相陶瓷的制备及其吸波性能. 硅酸盐学报, 2022 , 50 (6) : 1489 -1498 . DOI: 10.14062/j.issn.0454-5648.20211179
Depeng LI, Zhikai YAN, Biao ZHAO, Li GUAN, Bingbing FAN, Hailong WANG, Rui ZHANG. Preparation and Microwave Absorption Properties of (Fe, Co, Ni, Cu, Zn)CrxOy High-Entropy Multiphase Ceramics[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (6) : 1489 -1498 . DOI: 10.14062/j.issn.0454-5648.20211179
Appendix
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Year 2022 volume 50 Issue 6
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Article Info
doi: 10.14062/j.issn.0454-5648.20211179
  • Receive Date：2021-12-31
  • Online Date：2026-10-22
  • Published：2022-06-20
Article Data
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History
  • Received：2021-12-31
  • Revised：2022-02-26
Funding
Affiliations
    1.School of Material, Zhengzhou University of Aeronautics, Zhengzhou 450046
    2.School of Material Science and Engineering, Zhengzhou University, Zhengzhou 450001
    3.Luoyang Institute of Science and Technology, Luoyang 471023 Henan

Corresponding:

ZHAO Biao (1988-), male, Ph.D., Associate 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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