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Structural element formed of a fiber reinforced thermoplastic material and method of manufacture
Structural element formed of a fiber reinforced thermoplastic material and method of manufacture
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机译:由纤维增强的热塑性材料形成的结构元件及其制造方法
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摘要
A structural member of fiber reinforced composite material suitable for secondary processing and a method of processing is described. The structural member before secondary processing is typically a multi- ply tube, rod, or sheet formed with an outer sheath of fiber reinforced thermoplastic material having a melting temperature t.sub.m1 and an inner core material, also fiber reinforced thermoplastic, having a melting temperature, t.sub.m2 lower than t.sub.m1. The member, prior to secondary processing, is thermoplastic.PPIn a secondary process the member is heated to a temperature between t.sub.m1 and t.sub.m2, but sufficient to render the outer sheath malleable. The member is deformed to a desired geometry, such as a helix, and cooled to a hardened state.
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