Abstract

Strong interest in radar absorbing materials (RAMs) took place with years due to their extensive sectors of application. RAMs are coatings whose electric and magnetic properties allow the absorption of microwave energy over certain frequencies. In particular, RAMs are very effective means of Radar Cross Section (RCS) reduction in the context of stealth technology. RCS reduction requires absorbers with broad-band characteristics since surveillance radars often employ wide bandwidths. Carbon fiber reinforced plastic (CFRP) composites are made of short carbon fibers embedded in a polymer matrix. They allow broad-band radar absorbing materials (RAMs) characterized by low reflection coefficient against impinging electromagnetic fields, and high resistance against environmental hazards.

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