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Aircraft component defect monitoring by the use of patch magnetostrictive EMAT

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Abstracts

Health monitoring of crack initiation and growth is a major concern of aircraft inspection. The important part of health monitoring of structure is transducer installation and data acquisition. Electromagnetic acoustic transducer can be manufactured as a patch-type device and can generate and receive ultrasonic waves without a liquid coupling. Magnetostrictive patch type transducer is designed and manufactured to generate shear horizontal wave in the structures. The aircraft components such as bleed air duct and aircraft wing panel is monitored by the use of ultrasonic guided wave which is generated by patch type transducer. The tomographic algorithm is employed to visualize the monitored signal into quantitative image. The presented technique can be applied for the real time imaging of aircraft component monitoring.

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Acknowledgements

This research was supported by INNOPOLIS Foundation funded by the Ministry of Science, ICT and Future Planning (2014BS001) and partially supported by a grant from R&D Program of the through Korea Railroad Research Institute, Republic of Korea. We are grateful to the Republic of Korea Air Force Logistics Command for providing the bleed-air duct specimen.

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Authors and Affiliations

  1. GS Engineering and Construction Corp, Seoul, 03159, Korea

    Kyoungsik Jeong

  2. Future Transportation Systems Research Center, Korea Railroad Research Institute, Uiwang, 16105, Korea

    Jaesun Lee

  3. School of Mechanical Engineering, Pusan National University, Busan, 46241, Korea

    Taekyoung Kim & Younho Cho

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  1. Kyoungsik Jeong
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  2. Jaesun Lee
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  3. Taekyoung Kim
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  4. Younho Cho
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Correspondence to Younho Cho.

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Jeong, K., Lee, J., Kim, T. et al. Aircraft component defect monitoring by the use of patch magnetostrictive EMAT. J Vis 20, 847–858 (2017). https://doi.org/10.1007/s12650-017-0427-5

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  • DOI: https://doi.org/10.1007/s12650-017-0427-5

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