ULTRASONIC NDT INSPECTION SYSTEM

摘要

A method and system for the ultrasonic non-destructive testing of joints in plastic pipesusing A-scans. Ahand-held ultrasonic transducer is used to perform an A-scan and a comparison made on a response from the interface region of the jointused to determine a quality of the joint. Levels of result can providea binary outputto give an indicationof whether or not a defect is present in thejoint. Comparison techniques are described. Tests for coupling efficiency and performance are described making the system useable by an unskilled technician.The system finds application in fault detection on electro-fusion welds in plastic pipe joints.