Advantages and Disadvantages of Ultrasonic Flaw Detection
Advantages of Ultrasonic Flaw Detection
=> Thickness and lengths up to 30 ft can be tested.
=> Position, size and type of defect can be determined.
=> Instant test results.
=> Extremely sensitive if required.
=> Capable of being fully automated.
=> Access to only one side necessary.
=> No consumables.
Disadvantages of Ultrasonic Flaw Detection
=> No permanent record available unless one of the more sophisticated test results and data collection systems is used.
=> The operator can decide whether the test piece is defective or not whilst the test is in progress.
=> Indications require interpretation (except for digital wall thickness gauges).
=> Considerable degree of skill necessary to obtain the fullest information from the test.
=> Very thin sections can prove difficult.