Guided wave testing: past, present, and future

David N. Alleyne

doi:10.1117/12.2666177

25 April 2023 Guided wave testing: past, present, and future

David N. Alleyne

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Proceedings Volume 12488, Health Monitoring of Structural and Biological Systems XVII; 1248802 (2023) https://doi.org/10.1117/12.2666177
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Abstract

Guided wave testing (GWT) and monitoring are evolving inspection and asset assessment methods that enable indirect measurement of thickness changes. This is a relatively new NDE method that has seen widespread industrial expansion in its use over the last two decades, primarily as an inspection solution for corrosion in pipes and pipelines. Corrosion represents a significant challenge in industrial pipelines and its presence and rate of growth is highly unpredictable and conditional on process and operating environments. This talk will chart the development of the enabling research at Imperial College into Lamb wave testing of pates from 1987 and its outcomes. The development of field useable equipment during the 1990’s allowed for the rapid development of the practical understanding of the complications that result from testing in-service piping. The talk will follow the evolution of the testing methodologies, international codes, standards and training schemes to support the global growth of this new NDE method. Over the last decade a short range quantitative guided wave scanning technique has been patented and recent advances using machine learning to automate the data analysis will also be introduced and discussed.

Conference Presentation

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David N. Alleyne "Guided wave testing: past, present, and future", Proc. SPIE 12488, Health Monitoring of Structural and Biological Systems XVII, 1248802 (25 April 2023); https://doi.org/10.1117/12.2666177

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