Synthetic aperture focusing technique for the inspection of railway crossings (RailSAFT)

RailSAFT aims to develop an affordable and reliable Non-Destructive Testing (NDT), automated, ultrasonic, inspection technique for high manganese, wear-resistant steel rail crossover points (Frogs). These are commonly used on the GB and global rail networks and are susceptible to in-service cracking due to high impact loads from rolling stock. The...