An ultrasonic inspection device has been developed to detect internal flaws just under the surface of marine propeller blades. An ultrasonic transducer automatically scans the blade area. If ultrasonic waves are reflected by internal flaws, echo signals are plotted on an X-Y-recorder, obtaining a C-scope display. The device also has a B-Scope display to show the depth of the flaws. Thie nondestructive testing device has been applied to numerous propeller blades since 1976, and has played an important role in quality assurance. (Wassmann)


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    Titel :

    Automatic ultrasonic flaw detection device for marine bronze propellers


    Weitere Titelangaben:

    Automatisches Ultraschallfehlererkennungsgeraet fuer Schiffspropeller aus Bronze


    Beteiligte:
    Iwasaki, M. (Autor:in) / Suzuki, N. (Autor:in) / Honda, T. (Autor:in) / Nishimoto, D. (Autor:in)


    Erscheinungsdatum :

    1980


    Format / Umfang :

    2 Seiten, 6 Bilder, 1 Quelle


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Japanisch




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    Repair of bronze propellers

    Webb, A.W. | Tema Archiv | 1981


    Scimitar bronze propellers for trawlers

    Engineering Index Backfile | 1940


    Bronze propellers for greatest liner

    Eyles, A. | Engineering Index Backfile | 1934


    Maintenance and repair of bronze propellers

    Callis, G.T. | Engineering Index Backfile | 1963