Electromagnetic Shielding Effectiveness of Nylon-66 Nanofiber Interleaved Carbon Epoxy Composites

被引：22

作者：

Umashankar, M. ^{[1
]}

Renukappa, N. M. ^{[1
]}

Shivakumar, Kunigal ^{[2
]}

Rajan, J. Sundara ^{[3
]}

机构：

[1] Sri Jayachamarajendra Coll Engn, Dept Elect & Com Municat Engn, Mysuru 570006, India

[2] North Carolina A&T State Univ, Coll Engn, Dept Mech Engn, Ctr Composite Mat Res, Greensboro, NC 27411 USA

[3] Sri Siddhartha Inst Technol, Tumakuru 572105, India

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2019年 / 61卷 / 04期

关键词：

Electromagnetic interference; electromagnetic (EM) shielding effectiveness; interleaved composites; nylon-66; nanofiber; gamma-irradiation; CEMENT;

D O I：

10.1109/TEMC.2018.2845671

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Frequency dependence of the electromagnetic interference shielding effectiveness of carbon fiber epoxy composites have been investigated over the frequency range of 8-18 GHz. The effect of nylon-66 nanofiber interleaving on the shielding effectiveness of the multilayered quasi-isotropic composite has been examined for three different percentages of interleaving of nylon-66 nanofibers. Effect of gamma-irradiation on the electromagnetic shielding efficiency has also been investigated. Though attenuation due to absorption is dominant in carbon fiber epoxy composites, it is observed that gamma-irradiation helps in improving the attenuation due to reflection of the electromagnetic waves. The observed variations in the EM shielding of the composites are explained on the basis of the measured attenuation of EM radiations by absorption and reflection. The investigation has highlighted the usefulness of the carbon fiber epoxy composites, which are traditionally used in mechanical strength applications, for electromagnetic shielding in the range of microwave frequencies.

引用

页码：1025 / 1032

页数：8

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