Performance of radar absorbing materials by waveguide measurements for X- and Ku-band frequencies

被引：126
|
作者：
Pinho, MS
Gregori, ML
Nunes, RCR
Soares, BG
机构：
[1] Fed Univ Rio De Janeiro, Inst Macromol, Ctr Tecnol, BR-21945970 Rio De Janeiro, Brazil
[2] Inst Pesquisas Marinha, BR-21931090 Rio De Janeiro, RJ, Brazil
来源：
EUROPEAN POLYMER JOURNAL | 2002年 / 38卷 / 11期
关键词：
microwave absorbing materials; elastomeric composites; carbonyl-iron; doped ferrite; waveguide;
D O I：
10.1016/S0014-3057(02)00118-0
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this work, samples consisting of an elastomeric matrix containing different kinds of active materials in particulate form were prepared for reflectivity measurements. The materials individually used in weight contents of 80% in polychloroprene matrix were: carbonyl-iron (CI) and doped ferrite powders. The microwave reflectivity levels were determined from the magnetic and dielectric properties of the elastomeric composites obtained from scattering data, by fitting the samples in a waveguide, for measurements in the frequency range from 8 to 16 GHz. Better microwave absorption for X-band was obtained for Cl while doped ferrite absorbed at higher frequencies (Ku-band). (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2321 / 2327
页数：7
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