Solid rocket propellant and rocket motor components were aged in a vented container on the interior of the LDEF. This paper will present the results of aging the Improved Performance Space Motor-II/Payload Assist Module-Delta II (IPSM-II/PAM-DII) space motor components. Ballistic and mechanical properties of the space aged main propellant, igniter propellant, and ignition system were compared with similar data from preflight and ground aged samples. Mechanical properties of the composite materials and bonded joints used in the motor case, insulation, liner, nozzle, exit cone, and skirt were similarly evaluated. The space aging results will be compared to data collected in a ground based vacuum aging program on similar components. The operation of the vacuum actuated venting valve and pressure actuated resealing of the container will also be addressed. The materials tested showed no significant changes due to space aging. These results indicate that properly designed solid rocket motors can be expected to perform reliably after extended periods of exposure to a space environment.


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    Titel :

    Space Aging of Solid Rocket Materials


    Beteiligte:
    Dean M Lester (Autor:in) / Leon L Jones (Autor:in) / R B Smalley, Jr (Autor:in) / R Neil Ord (Autor:in)

    Kongress:

    1st Long Duration Exposure Facility (LDEF) Post-Retrieval Symposium ; 1991 ; Kissimmee, FL, US



    Erscheinungsdatum :

    1992-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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