Microwave response properties of epoxy resin composites filled with graphitic fillers

被引：0
|
作者：
Bellucci, S. [1 ]
Bistarelli, S. [1 ]
Cataldo, A. [1 ]
Micciulla, F. [1 ]
Macutkevic, J. [2 ]
Kranauskaite, I. [2 ]
Banys, J. [2 ]
Kuzhir, P. [3 ]
Volynets, N. [3 ]
Paddubskaya, A. [3 ]
Bychanok, D. [3 ]
Maksimenko, S. [3 ]
Fierro, V. [4 ]
Celzard, A. [4 ]
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[2] Vilnius Univ, LT-00122 Vilnius, Lithuania
[3] Belarusian State Univ, Res Inst Nucl Problems, Minsk 220030, BELARUS
[4] Univ Lorraine, CNRS 7198, ENSTIB, IJL UMR, F-88026 Epinal, France
来源：
2014 INTERNATIONAL CONFERENCE ON NUMERICAL ELECTROMAGNETIC MODELING AND OPTIMIZATION FOR RF, MICROWAVE, AND TERAHERTZ APPLICATIONS (NEMO) | 2014年
关键词：
Composite materials; exfoliated graphite; dielectric permittivity; percolation threshold; microwaves; NANOCOMPOSITES; CONDUCTIVITY; TRANSPORT;
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：
Composite materials based on epoxy resin filled with various kinds of graphite particles: exfoliated graphite (EG), natural graphite, and coarse, medium and fine artificial graphites have been prepared. The dielectric permittivity strongly increases with graphite particle size. This effect is related to the distance of the investigated filler concentrations to the composites' percolation threshold. Microwave experiments show that exfoliated graphite is, out of investigated graphite particles, the only one being a really effective additive for producing electromagnetic (EM) interference (EMI) shielding: 2 wt.% epoxy/EG is absolutely opaque to electromagnetic radiation at 30 GHz.
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页数：4
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