Composite sandwich constructions for absorbing the electromagnetic waves

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RAS (radar absorbing structures) is a key component for weapon systems such as aircrafts, warships, and missiles to achieve both the stealth performance by absorbing EM (Electromagnetic) waves incident on and load bearing capability. In this work, the RAS was fabricated as sandwich constructions composed of nanocomposite, carbon fabric/epoxy composite, and PVC foam. The nanocomposite composed of E-glass fabric, epoxy resin, and CNT (carbon nanotube) was adhesively bonded to the outside of the sandwich construction in order to absorb EM waves. The carbon fabric/epoxy composite had the dual roles as the reflection layer of incident EM waves and load bearing face material of sandwich constructions. Using the fabricated sandwich constructions, the EM absorbing characteristics were measured by the free space measurement system and the bonding characteristics between nanocomposites and carbon fabric/epoxy composites also were investigated. (C) 2008 Elsevier Ltd. All rights reserved.
Publisher
ELSEVIER SCI LTD
Issue Date
2009-01
Language
English
Article Type
Article; Proceedings Paper
Citation

COMPOSITE STRUCTURES, v.87, no.2, pp.161 - 167

ISSN
0263-8223
DOI
10.1016/j.compstruct.2008.05.015
URI
http://hdl.handle.net/10203/100178
Appears in Collection
ME-Journal Papers(저널논문)
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