All earth-orbiting spacecrafts are susceptible to impacts by meteorids and pieces of orbital debris. These impacts occur at extremely high speeds and can damage flight-critical systems, which can in turn lead to catastrophic spacecraft failure. With the advent of many new high-strength composite materials and their proliferation in aircraft applications, it is necessary to evaluate their potential for use in long-duration space and aerospace structural systems. Presented are the results of several experimental investigations in which several different composite materials were tested for their ability to prevent the perforation of the inner walls in multi-wall systems subjected to hypervelocity projectile impact. Damage to multi-wall systems that employ composite materials is compared to damage in traditional all-aluminium multi-wall structures of similar geometry and weight under similar impact conditions. The advantages and disadvantages of using composite materials in perforation-resistant multi-wall structures are presented and discussed. The analyses performed show that the effectiveness of multi-wall systems with composite materials varies significantly depending upon the location within the multi-wall system of the composite materials. The composite materials appear to be most effective when used as the middle wall of a triple-wall system.


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    Title :

    Protecting spacecraft against orbital debris impact damage using composite materials


    Additional title:

    Schutz von Raumfahrzeugen mit Verbundwerkstoffen gegen Einschlagschäden von Weltraumpartikeln


    Contributors:


    Publication date :

    2000


    Size :

    10 Seiten, 2 Bilder, 11 Tabellen, 31 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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