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材料工程  2020, Vol. 48 Issue (2): 94-99    DOI: 10.11868/j.issn.1001-4381.2018.000980
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
无反射层泡沫夹层结构设计及吸波性能研究
马向雨, 邢孟达, 张耀辉, 宫元勋, 陈冲, 赵宏杰
航天特种材料及工艺技术研究所, 北京 100074
Design and electromagnetic wave absorbing properties of foam sandwich structure without reflective layer
MA Xiang-yu, XING Meng-da, ZHANG Yao-hui, GONG Yuan-xun, CHEN Chong, ZHAO Hong-jie
Research Institute of Aerospace Special Materials and Processing Technology, Beijing 100074, China
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摘要 针对无反射层的电磁隐身需求,本工作对透波层/吸波泡沫/透波层的夹层结构的吸波性能进行仿真计算,据此制备不同电磁参数的吸波泡沫,对其进行电磁特性表征,并研究吸波泡沫夹层结构的雷达散射截面(RCS)性能。结果表明:在吸波泡沫介电常数为2.3~2.7,介电损耗为0.24~0.26时,无反射层的夹层结构在宽频范围内具有最优的吸波性能。加入炭黑吸收剂泡沫的介电常数和介电损耗具有明显的变化规律,吸波PMI泡沫的电磁特性与仿真计算最优吸波泡沫较接近。炭黑质量分数为8%时吸波PMI泡沫夹层结构在2~18 GHz频率范围内具有最优的隐身性能,与仿真计算结果相对应,其通过低频透波、高频吸波实现电磁波隐身。
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马向雨
邢孟达
张耀辉
宫元勋
陈冲
赵宏杰
关键词 吸波泡沫夹层结构无反射层介电常数RCS    
Abstract:For the purpose of electromagnetic requirement without reflective layer, the absorbing properties of sandwich structures were calculated. According to the calculated results, different kinds of absorbing foams were prepared and the electromagnetic properties of foams were characterized. The radar cross section (RCS) of wave absorbing foam sandwich structures was also investigated. The calculated results show that sandwich structure has the optimized broadband absorbing property, when dielectric constant is 2.3-2.7 and dielectric loss is 0.24-0.26. There is obvious change law for the dielectric constant of foam with carbon black absorber. The electromagnetic property of PMI foam is close to that of the optimized absorbing foam through calculation. The sandwich structure of wave absorbing PMI foam with 8%(mass fraction) carbon black absorber has the optimized broadband stealth performance, which is corresponding to the calculated result. The sandwich structure can achieve electromagnetic wave stealth through wave transmitting in low frequency band and wave absorbing in high frequency band.
Key wordswave absorbing foam    sandwich structure    non-reflective layer    dielectric constant    RCS
收稿日期: 2018-08-14      出版日期: 2020-03-03
中图分类号:  TM25  
通讯作者: 马向雨(1988-),男,工程师,博士,研究方向为结构吸波材料,联系地址:北京市7203信箱20分箱(100074),E-mail:hagong-damxy@126.com     E-mail: hagong-damxy@126.com
引用本文:   
马向雨, 邢孟达, 张耀辉, 宫元勋, 陈冲, 赵宏杰. 无反射层泡沫夹层结构设计及吸波性能研究[J]. 材料工程, 2020, 48(2): 94-99.
MA Xiang-yu, XING Meng-da, ZHANG Yao-hui, GONG Yuan-xun, CHEN Chong, ZHAO Hong-jie. Design and electromagnetic wave absorbing properties of foam sandwich structure without reflective layer. Journal of Materials Engineering, 2020, 48(2): 94-99.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2018.000980      或      http://jme.biam.ac.cn/CN/Y2020/V48/I2/94
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