Commingled CF/PEEK Hybrid Yarns for Use in Textile ...
2011-5-31 · The project “Hybrid Yarn Development” is focussed on commingled CF/PEEK hybrid yarnsparticularly for the production of failure tolerant high performance rotors for high temperatureapplicationsContinuous fiber reinforced composites with a thermoplastic matrix gains market importanceon the basis of numerous advantages regarding manufacturing and application. Compared tothermoset matrix composites they are characterized by higher toughness, failure tolerant ma-terial behavior, and the ability of being reshaped and repaired subsequent to manufacturing aswell as the unlimited storage time of the prepregs. Owing to a higher melt viscosity comparedto the thermoset plastics the impregnation of the textile reinforcement structure with the ther-moplastic matrix is significantly difficult. This can result in insufficient composite properties.It is extreme for the application of PEEK as a matrix material for example. In order to solvethis problem prior to consolidation, hybrid yarns …
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