Ultrasonic time-of-flight diffraction (TOFD) is a popular method widely used in petrochemical, energy and other industries for the in-service detection and characterisation of weld defects such as root corrosion, porosity, inclusions, and cracks.
A demonstration of the Ionix high-temperature TOFD transducers, with integrated wedges, for their suitability for weld inspection at elevated temperatures up to 240 °C is shown here. The wedges are mounted on to a modified EddyFi Lyncs scanner for high-temperature
encoding, with high-temperature couplant, connected to commercially available UT sets from EddyFi and
Olympus.
Ionix high-temperature TOFD transducers, with integrated wedges, are suitable for weld inspection at elevated temperatures up to 350 °C. Here, the transducers with integrated wedges are mounted on to a modified EddyFi Lyncs scanner for high-temperature encoding, with high-temperature couplant, connected to commercially
available Mantis UT set, and a carbon steel plate inspected at 240 °C for lack of side wall fusion and notches in the weld.