Expanded Polystyrene as an Admixture in Cement-Based Composites for Electromagnetic Absorbing

被引：0
|
作者：
Hongtao Guan
Shunhua Liu
Yuping Duan
机构：
[1] Dalian University of Technology,School of Materials Science and Engineering
来源：
Journal of Materials Engineering and Performance | 2007年 / 16卷
关键词：
cement-based composite; electromagnetic absorbing property; EPS;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The electromagnetic characteristics of expanded polystyrene (EPS) filling cement-based composites were studied using arched reflecting method. The findings show that EPS filling ratio and EPS grain size as well as the sample thickness are important to absorbing properties of cement-based composites. The least reflectivity in 8∼18 GHz is −15.27 dB and the bandwidth lower than −10 dB is 6.2 GHz, when the EPS filling ratio and thickness of sample are 60 vol.% and 20 mm, respectively, with the EPS diameter of 1 mm. It also indicates that the attenuation of electromagnetic wave can be mainly attributed to the multiple reflection and scattering inside the composite material.
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页码：68 / 72
页数：4
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