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    ULTRASONIC THICKNESS TESTING

    In the field of industrial ultrasonic testing, ultrasonic thickness measurement (UTM) is a method of performing non-destructive measurement (gauging) of the local thickness of a solid element (typically made of metal, if using ultrasound testing for industrial purposes) basing on the time taken by the ultrasound wave to return to the surface. This type of measurement is typically performed with an ultrasonic thickness gauge.


    1. Advantages :

    • Non-destructive technique.

    • Does not require access to both sides of the sample.

    • Can be engineered to cope with coatings, linings, etc.

    • Can be easily deployed, does not require laboratory conditions.

    • Relatively cheap equipment.

    • EMAT does not require the use of couplant.

    • EMAT can conduct thickness measurements through corrosion and other surface coatings on metals

    • No need to remove the coating of the metal.



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