Guided wave ultrasoud offers the potential to monitor long sections of structures such as pipes and rails from a single transducer location and is used in a system for monitoring continuouosly welded rail track which was developed in South Africa
Reference:
Loveday, P.W., Dhuness, K. and Long, C.S. 2018. Experimental development of electromagnetic acoustic transducers for measuring ultraguided waves. Eleventh South African Conference on Computational and Applied Mechanics (SACAM 2018), Vanderbijlpark, South Africa, 17-19 September 2018, pp. 693-702
Loveday, P. W., Dhuness, K., & Long, C. S. (2018). Experimental development of electromagnetic acoustic transducers for measuring ultraguided waves. SACAM. http://hdl.handle.net/10204/10904
Loveday, Philip W, Kahesh Dhuness, and Craig S Long. "Experimental development of electromagnetic acoustic transducers for measuring ultraguided waves." (2018): http://hdl.handle.net/10204/10904
Loveday PW, Dhuness K, Long CS, Experimental development of electromagnetic acoustic transducers for measuring ultraguided waves; SACAM; 2018. http://hdl.handle.net/10204/10904 .
Paper presented at the Eleventh South African Conference on Computational and Applied Mechanics (SACAM 2018), Vanderbijlpark, South Africa, 17-19 September 2018