Dominic Giguere, Zetec, Canada, examines developments in ultrasonic testing designed to aid both critical and non-critical inspections. Improvements in non-destructive testing technology, and particularly the software and processing power of off-the-shelf, portable phased array ultrasonic testing (UT) instruments, mean that internal pipeline corrosion, while serious, does not have to be the hidden threat that it was even just a few years ago.
展开▼
