This paper provides rational for incorporating graphite/thermoplastic into future Strategic Defense Initiative space systems. Graphite/PEEK is compared with the best available graphite/epoxy materials, which today are graphite/1962 produced by Amoco and graphite/934 produced by Fiberite. A first-order comparison reveals similar performance between these classes of materials with respect to maximum stiffness, minimum gage, maximum damping, and threat hardness. There are significant differences in the behavior of graphite/polyether ether ketone and graphite/epoxy with respect to the following characteristics water absorption, condensible-volatile contents, space-environment effects, dimensional stability, weight-savings options, joining alternatives, and production costs. A comparison is also made between organic composites, such as graphite/PEEK, with other spacecraft structural materials, such as aluminum and beryllium (which are commonly used today). The differing requirements for each spacecraft component will determine which of these material options is best suited for the particular structural application.


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    Title :

    Potential for advanced thermoplastic composites in space systems


    Additional title:

    Aussichten und Möglichkeiten fortschrittlicher thermoplastischer Verbundwerkstoffe in Raumfahrtsystemen


    Contributors:


    Publication date :

    1990


    Size :

    14 Seiten, 8 Bilder, 2 Tabellen, 35 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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