Laser-induced ultrasonic guided waves based corrosion diagnosis of rail foot

• Main Authors: Wang, Wensong, Sun, Quqin, Zhao, Zhenyu, Sun, Xin, Qin, Feng, Kho, Kevin, Zheng, Yuanjin
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Electrical and electronic engineering; Air-Coupled Ultrasonic Transducer; Detection Sensitivity
• Online Access: https://hdl.handle.net/10356/169203
• Institution: Nanyang Technological University

Rail foot corrosion is an important issue for the electrified railway system. It usually initiates at the bottom of rail foot edges covered by a rail clip and is hardly accessible to conventional online inspection systems. To address this problem, this study combines air-coupled ultrasonic transduce...