limitation

  • Time of Flight Diffraction (ToFD)

    limitation

    Posted by sofia on 14/10/2021 at 12:53 pm

    limitation
    One of the limitations of TOFD is the “dead zone’ created by the lateral wave signal just below the inspection surface (or OD surface in case of the pipe).The dead zone is approximately 5 mm and there is no flaw detection in this zone. Calibration blocks with side drilled holes and ISO 10863 used to validate the “dead zone” and sizing accuracy.

    sofia replied 3 years, 1 month ago 1 Member · 0 Replies
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