This report describes the work accomplished under a 12-month program conducted for the purpose of developing a reliable and practical inspection and data recording capability for service induced, or propagated flaws in composite aircraft structure. The basis of the developmental work was a portable C-scan recording system developed by General Dynamics to be used in handscan ultrasonic inspection on F-16 production line. In that system, a unique sonic microphone digitizing system was used to receive low-frequency ultrasound generated by a cursor attached to the ultrasonic transducer for position indication. In this program, a laboratory mock-up system was assembled to detect and record implanted flaws and impact damages in fabricated specimens, using modified and improved ultrasonic techniques. Preliminary design of a prototype system incorporating improvements from the laboratory mock-up system was completed. A cost analysis was conducted to allow an evaluation of the performance of the prototype system in the preliminary design against its cost.


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    Title :

    In-service inspection of advanced composite aircraft structure


    Additional title:

    Inspektion indienststehender Flugzeugteile aus Verbundwerkstoffen


    Contributors:
    Chang, F.H. (author) / Bele, J.R. (author) / Gardner, A.H. (author) / Handley, G.P. (author) / Fisher, C.P. (author)

    Published in:

    Publication date :

    1979


    Size :

    118 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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