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Effect of High-Temperature Treatment on Electromagnetic Shielding Performance of Activated Carbon Fiber Felt
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Ning Yang1, Donghai DING1, Zipei LI1, Guoqing XIAO1, Xinmin YU2, Jiyuan LUO1, Bing BAI1
Journal of the Chinese Ceramic Society | 2021, 49(6) : 1143 - 1150
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Journal of the Chinese Ceramic Society | 2021, 49(6): 1143-1150
Effect of High-Temperature Treatment on Electromagnetic Shielding Performance of Activated Carbon Fiber Felt
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Ning Yang1, Donghai DING1, Zipei LI1, Guoqing XIAO1, Xinmin YU2, Jiyuan LUO1, Bing BAI1
Affiliations
  • 1.College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.Research Institute of Aerospace Special Materials and Processing Technology, Beijing 100074, China

    • YANG Ning (1996-), female, Master candidate. E-mail:

About Author:

YANG Ning (1996-), female, Master candidate. E-mail:

Published: 2021-06-20 doi: 10.14062/j.issn.0454-5648.20200573
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A flexible, lightweight and efficient electromagnetic shielding material was prepared with activated carbon fiber felt (ACF) with the density of 0.055 g/cm3. The phase compositions and micro-morphology were characterized by X-ray diffraction and scanning electron microscopy, respectively. The electromagnetic parameters of samples at 8.2-12.4 GHz were examined by a rectangular waveguide method. The results show that high-temperature treatment can improve the degree of carbon ordering in ACF. The conductivity and electromagnetic shielding efficiency of ACF are improved after high-temperature treatment. The total electromagnetic shielding effectiveness of ACF is 39 dB after high-temperature treatment at 1 400℃, which is 23 dB greater than that of the raw material of ACF (i.e., 16 dB). It is indicated that high-temperature treatment could improve the electromagnetic shielding performance of ACF.

high temperature treatment  /  activated carbon fiber felt  /  ordering  /  electromagnetic shielding
杨宁, 丁冬海, 李子沛, 肖国庆, 于新民, 骆吉源, 白冰. 高温处理对活性炭纤维毡电磁屏蔽性能的影响. 硅酸盐学报, 2021 , 49 (6) : 1143 -1150 . DOI: 10.14062/j.issn.0454-5648.20200573
Ning Yang, Donghai DING, Zipei LI, Guoqing XIAO, Xinmin YU, Jiyuan LUO, Bing BAI. Effect of High-Temperature Treatment on Electromagnetic Shielding Performance of Activated Carbon Fiber Felt[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (6) : 1143 -1150 . DOI: 10.14062/j.issn.0454-5648.20200573
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Article Info
doi: 10.14062/j.issn.0454-5648.20200573
  • Receive Date：2020-08-04
  • Online Date：2026-10-30
  • Published：2021-06-20
Article Data
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History
  • Received：2020-08-04
  • Revised：2020-10-26
Funding
Affiliations
    1.College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
    2.Research Institute of Aerospace Special Materials and Processing Technology, Beijing 100074, China

Corresponding:

DING Donghai(1983-), male, 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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