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SOUND DEPERVATION IN ADVANCED COMPOSITE STRUCTURES

d reflectors for sandwich configurations for the Matra Marconi Space Scot radomes and for satellite communications frequency requirements that have been produced to support Type 23 Frigates and athena systems radome designed as 8 segmented panels that are constructed to meet the mechanical strength and electromagnetic transmissibility for US Navy ships radar.Radomes, located on the Type 23 mast, are constructed from pre-preg composites utilizing autoclave techniques normally employed in Aerospace component production.There is also the the Advanced Radome for Westlands Super Lynx helicopter which is produced in a kevlar and epoxy resin system with nomex core to satisfy microwave transmission characteristics in helicoptersRadar absorbent composite materials are structural composites with an integral radar absorption performance, which allow larger areas of ships super-structures to be manufactured with an inherent RAM capability.Phenolic fire safety materials are also an integral part of safety onboard vessels also and are designed to replace metallic paneling grills and jalousies to provide high performance fire safety composite products with low smoke and toxicity generation in the case of severe fire situations that may arise onboard a vessel or submarine Anti detecting materials such as PIFRAM electro magnetic radar absorbing material is used as microwave absorbers for stealth applications in the naval industry. Products include the PIFRAM (Polycrystalline Iron Fibre Radar Absorbing Material), and the latest electro-magnetic radar absorbing material for Radar Cross Section (RCS) management. PIRFAM is the only electro-magnetic radar absorbing material that may be retrofitted to existing material because of its very low weight and very low thickness. Pirfam provides extended life and enhanced survivability for platforms already in inventory. The robust system reduces RCS while maximizing payload and platform performance.PIRFAM is ...

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