What Can Go Wrong With Reference Piece Calibration in Aerospace Forged Disks-

https://ultrasonic-testing-compass.keystonescope.com/posts/what-to-check-about-immersion-system-costs-for-bearing-parts

What Can Go Wrong With Reference Piece Calibration in Aerospace Forged Disks? Forged disks may need mapped checks across defined zones and depths. A known reference piece helps confirm that the inspection setup can respond as planned