期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 335, 期 3-4, 页码 421-429出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2003.12.002
关键词
polymer composites; short carbon fibers; polyaniline base; surface coating; electromagnetic shielding
The electromagnetic shielding properties of epoxy resin composites containing short carbon fibers coated with a layer of non-conducting polyaniline base have been studied. Below the percolation threshold the composites show a high AC conductivity at high frequencies (10-1300 MHz) and low DC conductivity at the same time. They can thus be used as a protective material transmitting high-frequency signals and shielding low-frequency ones which do not short circuit the surface of electronic systems. (C) 2003 Elsevier B.V. All rights reserved.
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