Electromagnetic interference shielding properties of carbon fiber cloth based composites with different layer orientation

被引：14

作者：

Hu, Tao ^{[1
]}

Wang, Jun ^{[1
]}

Wang, Julin ^{[1
]}

机构：

[1] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 158卷

基金：

中国国家自然科学基金;

关键词：

Electrical properties; Multilayer structure; Polymeric composites; Electromagnetic shielding; MECHANICAL-PROPERTIES; RESISTIVITY;

D O I：

10.1016/j.matlet.2015.05.152

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon fiber cloth/epoxy resin composites with different layer orientation angles were prepared to evaluate electromagnetic shielding properties in the X band. The results showed that the electrical conductivity, dielectric constant and shielding effectiveness of composites decreased with increase in layer angle. Absorbed power had the maximum value (0.577) at 49.60 degrees with sample thickness 4.00 mm. After using carbonyl iron powder as the radio wave absorber, both conductivity and shielding effectiveness improved when layer angle was beyond 10.06 degrees. Reflected power decreased while absorbed power increased with increase in layer angle and their variation rates decreased. Structure and function integrated shielding products made of these composites can be used to get the highest shielding effectiveness or highest absorbed power with designed layer angles. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：163 / 166

页数：4

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