An effective insulator is needed to isolate the motor case from the hot combustion gases in such large solid rocket motors (SRMs) as those of the Space Shuttle, in order to preserve motor case integrity. An account is presently given of the ultrasonic NDE techniques employed to characterize the Space Shuttle's redesigned SRM. It is noted that current inspection procedures are sensitive to conditions that could result in anomalous ultrasonic indications; these conditions encompass (1) inner-outer surface nonparallelism, (2) sensor-surface nonparallelism, (3) contact pressure variation, (4) transducer coupling shoe wear, and (5) surface waviness. Both short-term and long-term NDE procedure recommendations are made.


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    Titel :

    Solid rocket motor case insulation bond nondestructive evaluation


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.01.1990


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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