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Ultrasonic imaging of damage in plates in spectral ripple frequency domain

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Abstract
The ultrasonic C-scan method is a well-known non-destructive inspection method which typically analyzes ultrasound echoes in time domain. Although demonstrated for a variety of defects and materials, it has certain challenges in correctly assessing complex and distributed defects in multilayer heterogeneous materials, e.g. barely visible impact damage in composite laminates. This paper proposes a C-scan imaging technique in the spectral ripple frequency domain by exploiting interference phenomena between multiple ultrasonic echoes in the response signal. The spectral ripple frequency domain imaging method processes the full A-scan signal without having to define an evaluation time gate. As such, it is highly suited for inspection of curved or tilted parts, or parts having different thickness sections. The method is demonstrated on several 5.5 mm thick carbon fiber reinforced polymer laminates with barely visible impact damage, revealing its capability to resolve neighboring delaminations and small defect fragments over the entire depth of the sample. The spectral ripple frequency domain imaging method shows good performance on datasets with high noise levels and/or low sampling rates, and is computationally very efficient, allowing real-time defect imaging.
Keywords
Composite, Defect imaging, Barely Visible Impact Damage, Ultrasonic testing, Spectral ripple frequency, IMPACT, COMPRESSION, INSPECTION, CEPSTRUM

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MLA
Yang, Xiaoyu, and Mathias Kersemans. “Ultrasonic Imaging of Damage in Plates in Spectral Ripple Frequency Domain.” MECHANICAL SYSTEMS AND SIGNAL PROCESSING, vol. 195, 2023, doi:10.1016/j.ymssp.2023.110312.
APA
Yang, X., & Kersemans, M. (2023). Ultrasonic imaging of damage in plates in spectral ripple frequency domain. MECHANICAL SYSTEMS AND SIGNAL PROCESSING, 195. https://doi.org/10.1016/j.ymssp.2023.110312
Chicago author-date
Yang, Xiaoyu, and Mathias Kersemans. 2023. “Ultrasonic Imaging of Damage in Plates in Spectral Ripple Frequency Domain.” MECHANICAL SYSTEMS AND SIGNAL PROCESSING 195. https://doi.org/10.1016/j.ymssp.2023.110312.
Chicago author-date (all authors)
Yang, Xiaoyu, and Mathias Kersemans. 2023. “Ultrasonic Imaging of Damage in Plates in Spectral Ripple Frequency Domain.” MECHANICAL SYSTEMS AND SIGNAL PROCESSING 195. doi:10.1016/j.ymssp.2023.110312.
Vancouver
1.
Yang X, Kersemans M. Ultrasonic imaging of damage in plates in spectral ripple frequency domain. MECHANICAL SYSTEMS AND SIGNAL PROCESSING. 2023;195.
IEEE
[1]
X. Yang and M. Kersemans, “Ultrasonic imaging of damage in plates in spectral ripple frequency domain,” MECHANICAL SYSTEMS AND SIGNAL PROCESSING, vol. 195, 2023.
@article{01HGFXXX2QG7EMF5QMZZV96M0G,
  abstract     = {{The ultrasonic C-scan method is a well-known non-destructive inspection method which typically analyzes ultrasound echoes in time domain. Although demonstrated for a variety of defects and materials, it has certain challenges in correctly assessing complex and distributed defects in multilayer heterogeneous materials, e.g. barely visible impact damage in composite laminates. This paper proposes a C-scan imaging technique in the spectral ripple frequency domain by exploiting interference phenomena between multiple ultrasonic echoes in the response signal. The spectral ripple frequency domain imaging method processes the full A-scan signal without having to define an evaluation time gate. As such, it is highly suited for inspection of curved or tilted parts, or parts having different thickness sections. The method is demonstrated on several 5.5 mm thick carbon fiber reinforced polymer laminates with barely visible impact damage, revealing its capability to resolve neighboring delaminations and small defect fragments over the entire depth of the sample. The spectral ripple frequency domain imaging method shows good performance on datasets with high noise levels and/or low sampling rates, and is computationally very efficient, allowing real-time defect imaging.}},
  articleno    = {{110312}},
  author       = {{Yang, Xiaoyu and Kersemans, Mathias}},
  issn         = {{0888-3270}},
  journal      = {{MECHANICAL SYSTEMS AND SIGNAL PROCESSING}},
  keywords     = {{Composite,Defect imaging,Barely Visible Impact Damage,Ultrasonic testing,Spectral ripple frequency,IMPACT,COMPRESSION,INSPECTION,CEPSTRUM}},
  language     = {{eng}},
  pages        = {{15}},
  title        = {{Ultrasonic imaging of damage in plates in spectral ripple frequency domain}},
  url          = {{http://doi.org/10.1016/j.ymssp.2023.110312}},
  volume       = {{195}},
  year         = {{2023}},
}

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