1987-02-01

Multilayer Composite Materials Manufactured by Continuous Coil Coating/Laminating Process 870178

Multilayer Composite Materials, discussed in this paper, are defined as laminated structures consisting of two “Skins” of metal separated by a layer of polymeric material, applied as a coating, film or prepreg and adhesively bonded together. Such structures can be successfully manufactured in a continuous manner and this paper describes such composite materials utilized for sound and vibration damping over a wide range of frequencies and temperatures. With high damping properties [loss factor −ƺ (nu) ≥ .05] these materials can be formed and fastened by using existing equipment and technology, (including welding).
This presentation is a result of a continuous 5 year effort to develop composite materials. Part of this development involving metal/polypropylene/metal structural composites was presented by H. H. Levine at the 1981 SAE Passenger Car Meeting. [1].

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