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    The fabrication of carbon-fiber composites by aqueous suspension prepregging with larc-tpi and peek

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    LD5655.V855_1991.T395.pdf (19.57Mb)
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    Date
    1991
    Author
    Texier, Anne
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    Abstract
    A novel method of impregnation was used to make thermoplastic prepregs with aqueous suspension of polymer powder and AS-4 carbon fibers. The prepregging, consolidation, and laminate evaluation procedures are described in this report. The need and importance of a dispersing and binding agent and its interactions with the composite matrix are assessed. A time-temperature-pressure consolidation cycle was designed for PEEK prepreg. Two thermoplastic polymers were studied : LaRC-TPI, provided by Mitsui Toatsu Chemicals, and Poly(etheretherketone), synthesized in Virginia Tech Chemistry Department. Comparison of LaRC-TPI composites to those made at NASA-Langley Research Center demonstrated good reproducibility of the techniques used in this study. The last PEEK composites fabricated compared well to the ICI standards.
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    http://hdl.handle.net/10919/41718
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    • Masters Theses [20942]

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