Electromagnetic Wave Absorption Properties of Cement filled with Carbon Black

被引：2
|
作者：
Zhang, Yuefang [1 ,2 ]
Hao, Wangjun [2 ]
Duan, Yuping [1 ]
Liu, Shunhua [1 ]
机构：
[1] Dalian Univ Technol, Coll Mat & Engn, Dalian 116085, Peoples R China
[2] Hainan Univ, Coll Mat & Chem Engn, Haikou, Peoples R China
来源：
FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE IV, PTS 1-5 | 2014年 / 496-500卷
关键词：
Carbon black; concrete; electromagnetic parameters; electromagnetic wave absorption; COMPLEX PERMITTIVITY; COMPOSITES;
D O I：
10.4028/www.scientific.net/AMM.496-500.2431
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using the dielectric loss property of carbon black, cement-based composites were prepared by introducing carbon black into cement. The reflection losses were studied using arched testing method in the frequency range of 2-18 GHz. The results showed that the absorption properties were improved in high frequency. The filling ratio of carbon black as well as the thickness of samples had influence on the absorption properties. The lowest reflection loss of -10.6 dB was obtained at 18 GHz of 5wt.% carbon black filled cement with thickness of 20mm. The new material can be used for building indoor electromagnetic radiation protection.
引用
收藏
页码：2431 / +
页数：2
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