The cause of PVC adhesive pipe leakage was analyzed.For the detection of debonding defects in PVC pipeline adhesive fittings,ultrasonic flexible phased array technology was used to establish an acoustic simulation model in CIVA software,and the interaction between flexible phased array and debonding defects was simulated.A detection process was developed.After applying ultrasonic flexible phased array to engineering inspection,two debonding defect signals were discovered.
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