Extensometer using ultrasonic pulse reflections to measure elongations in tightened belts and studs is much more accurate than conventional torque wrenches in application of specified preload to bolts and other threaded fasteners.


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    Title :

    Ultrasonic extensometer measures bolt preload


    Contributors:

    Published in:

    Publication date :

    1978-10-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :




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