Nondestructive Inspection of Underwater Coating Layers Using Ultrasonic Lamb Waves
Source abstract
Abstract
Coatings play a crucial role in protecting ships and marine structures from corrosion and extending their service life. The reliability of these coatings depends on their proper maintenance, which in turn, relies on the application of reliable diagnostic techniques. Non-destructive testing (NDT) techniques are useful in material diagnostics, such as detecting debonded zone in water. However, the challenging access environment in the ocean, and the high attenuation characteristics of the material itself add too many technical challenges. In this paper, we propose a guided wave-based technique for characterizing the bonded zone state of coatings, which uses FFT analysis in different bonded zone states. The proposed technique has been demonstrated to be effective in characterizing the bonded zone state of water coatings through numerical and experimental results.
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Research context
OpenAlex topics: Ultrasonics and Acoustic Wave Propagation · Non-Destructive Testing Techniques · Geophysical Methods and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Graduate School of Mechanical System Design, Pusan National University, Busan 46241, Republic of Korea
School of Mechanical Engineering, Pusan National University, Busan 46241, Republic of Korea
Institute of Nuclear Safety and Management, Pusan National University, Busan 46241, Republic of Korea
Ocean Space Development and Energy Research Department, Korea Institute of Ocean Science & Technology, Busan 49111, Republic of Korea
Funding
National Research Foundation of Korea (NRF)
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