A very simple model is proposed that can predict the minimum detectable unbond within a solid rocket motor bondline system. This model uses the measured X-ray sensitivity using standard penetrameter indicators as well as an experimental measurement of the dependance of contrast on object size. Both of these measurements can be directly measured on either a film or electronic based imaging system. When combined with the known absorption properties of the material being studied, a direct estimate of the minimum gap size results. The model can be extended to multi-component material sets and to other gap shapes and geometries. Experiments are continuing to test these ideas on a variety of rocket motors and motor simulants.


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    Title :

    Image quality indicators for large solid rocket motor bondline inspection


    Additional title:

    Bildgüteprüfkörper zur Untersuchung von großen Festkörperraketenmotorklebungen


    Contributors:
    Polichar, R. (author) / Shreve, D. (author) / Schirato, R. (author) / Carriveau, G. (author)


    Publication date :

    1991


    Size :

    8 Seiten, 5 Bilder



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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