The authors have described several aeronautic applications of laser-ultrasonics, an advanced ultrasonic technique that uses for the detection and generation of ultrasound. The technique has been in particular developed for inspecting by pulse-echo polymer-matrix composite materials. Its effectiveness was demonstrated on numerous parts of various shapes, thicknesses and compositions. The technique was also demonstrated to be appropriate for service inspection by inspecting a CF-18 airplane in a maintenance hangar. The technology they have developed is now commercially available and efforts are currently pursued to introduce it further into industry. The application to the detection of corrosion in metallic airframes and the measurement of corrosion thinning in lap joints is now actively pursued and present encouraging perspectives. A third application of significant importance, which also appears to offer encouraging perspectives, is the monitoring of the deposition of thermal barrier coatings on engine blades.


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    Title :

    Laser-ultrasonics for inspection and characterization of aeronautic materials


    Additional title:

    Laser-Ultraschall zur Untersuchung und Charakterisierung von Luftfahrtwerkstoffen


    Contributors:
    Monchalin, J.P. (author) / Neron, C. (author) / Bouchard, P. (author) / Heon, R. (author)


    Publication date :

    1998


    Size :

    8 Seiten, 6 Bilder, 9 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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