Introduction to Composite Materials

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ME 423 Polymers & Polymer Composites 08/09 Composite Matrices Thermoset Resins • Polyester (GRP) – cheap and widest use • Epoxy – more expensive, better mech props • Phenolics – fire resistance • High temp. polyimides – v. expensive Thermoplastic Polymers • Polypropylene – cheapest, mainly with glass fibres • Nylons – industrial uses – some with carbon fibres • Polycarbonate, PET – more exotic • PEI, PES, PPS, PEEK – v. high props, v. high cost
ME 423 Polymers & Polymer Composites 08/09 Production of Composite – PreImpregnated Tape (Prepreg) Fibres are introduced into resin in continuous resin impregnation process – rolled up on paper backing – ready for component manufacturing
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Introduction to Composite Materials

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