Analysis of Variables Affecting Reference Block Equivalency Process Using Ndt Ultrasonic Method

Non-destructive testing (NDT) aims to assess components without compromising their functionality by identifying internal defects.Ultrasonic testing, a key NDT method, uses sound waves (0.5-20 MHz) to detect imperfections and requires tool calibration with reference blocks for accuracy.This study focuses on ultrasonic techniques and the equivalence of tool calibration and parameter adjustments.It involves selecting a reference block for testing and comparing it to a standard reference.The ultrasonic instrument checks if the alternate block produces a signal equivalent to the standard.Results showed a full screen length (FSL) difference, highlighting factors affecting reference block equivalence.