Characterisation of Electromagnetic Properties of Carbon Fibre Composite Materials

被引：0

作者：

Doan, Tan ^{[1
]}

Walters, Andrew ^{[1
]}

Leat, Chris ^{[1
]}

机构：

[1] Def Sci & Technol Org, Air Operat Div, Edinburgh, SA 5111, Australia

来源：

ELECTROMAGNETIC COMPATIBILITY SYMPOSIUM 2009, SYMPOSIUM PROCEEDINGS | 2009年

关键词：

component; carbon fibre composite; computational electromagnetic modelling; electromagnetic properties; SHIELDING EFFECTIVENESS;

D O I：

暂无

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：

A method for characterising the electromagnetic properties of woven carbon fibre composite (CFC) materials at HF was investigated. The method made use of two loop antennas and a Vector Network Analyser (VNA) to measure the scattering parameters (S-21) of varying layers of carbon fibre. Computational Electromagnetic (CEM) modelling of the experimental setup together with a DC surface resistance approximation was then used to match the electromagnetic behaviour. This was achieved by calculating S-21 for a range of surface resistance values. A fit between the measured and modelled S-21 curves was used to identify the most representative DC surface resistance value for a particular CFC construction which could then be used in models of larger structures. The method showed utility for CFC samples of 2 and 4 layers. However, a 6 layer case demonstrated the technique's limitation at frequencies approaching 30 MHz.

引用

页码：87 / 91

页数：5

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