Defect Detection Using the Lamb Mode S0 by Pulsed Laser Laterally Illuminating on a Side of the Plate

  • Qingnan Xie
  • Shiling Yan
  • Jian Lu
  • Chenyin Ni
  • Xiaowu Ni
  • Zhonghua ShenEmail author


In recent years, Lamb waves have been widely used to inspect plate-like structures, where antisymmetric modes are usually applied due to their high out-of-plane displacement and long propagating distance under normal circumstances. However, their dispersive behavior and leakage character in liquid-loaded plates make them unable to distinguish defects in some cases. In this paper, the pure S0 mode with a high amplitude and small dispersion is generated, which is implemented by a pulsed laser laterally illuminating on a side of the plate symmetrically. Experiments are carried out in a 0.2 mm aluminum plate. The experimental result shows strong agreement with simulation, which indicates that this method can restrain the A0 mode and improve the S0 mode efficiently. Moreover, experimental measurements for defect detection in the plates fully immersed in water are carried out preliminarily. These results indicate that this optical method for generating the pure S0 mode could be useful for defect detection in air and underwater conditions.


Lamb wave Laser ultrasound NDE S0 mode 



This study was supported by the National Natural Science Foundation of China (Grant Nos. 11274175 and 61405093), Natural Science Foundation of Jiangsu Province (Grant No. BK20140771).


  1. 1.
    Y. Sohn, S. Krishnaswamy, Mass spring lattice modeling of the scanning laser source technique. Ultrasonics 39, 543 (2002)CrossRefGoogle Scholar
  2. 2.
    Y. Sohn, S. Krishnaswamy, Interaction of a scanning laser-generated ultrasonic line source with a surface-breaking flaw. J. Acoust. Soc. Am. 115, 172 (2004)ADSCrossRefGoogle Scholar
  3. 3.
    Y. Sohn, S. Krishnaswamy, A near-field scanning laser source technique and a microcantilever ultrasound receiver for detection of surface-breaking defects. Meas. Sci. Technol. 17, 809 (2006)ADSCrossRefGoogle Scholar
  4. 4.
    H. Kim, K. Jhang, M. Shin, J. Kim, A noncontact NDE method using a laser generated focused-Lamb wave with enhanced defect-detection ability and spatial resolution. NDT & E Int. 39, 312 (2006)CrossRefGoogle Scholar
  5. 5.
    P. Rizzo, E. Pistone, P. Werntges, J. Han, X. Ni, Inspection of Underwater Metallic Plates by Means of Laser Ultrasound Nondestructive Testing of Materials and Structures (Springer, Dordrecht, 2013)Google Scholar
  6. 6.
    S.E. Burrows, B. Dutton, S. Dixon, Laser generation of Lamb waves for defect detection: experimental methods and finite element modeling. IEEE. T. Ultrason. Ferr. 59, 82 (2012)CrossRefGoogle Scholar
  7. 7.
    K. Xu, D. Ta, Z. Su, W. Wang, Transmission analysis of ultrasonic Lamb mode conversion in a plate with partial-thickness notch. Ultrasonics 54, 395 (2014)CrossRefGoogle Scholar
  8. 8.
    A.R. Clough, R.S. Edwards, Scanning laser source Lamb wave enhancements for defect characterization. DT & E Int. 62, 99 (2014)Google Scholar
  9. 9.
    S.G. Pierce, B. Culshaw, W.R. Philp, F. Lecuyer, R. Farlow, Broadband Lamb wave measurements in aluminium and carbon/glass fibre reinforced composite materials using non-contacting laser generation and detection. Ultrasonics 35, 105 (1997)CrossRefGoogle Scholar
  10. 10.
    A.R. Clough, R.S. Edwards, Characterisation of hidden defects using the near-field ultrasonic enhancement of Lamb waves. Ultrasonics 59, 64 (2015)CrossRefGoogle Scholar
  11. 11.
    J. Cai, L. Shi, X.P. Qing, A time–distance domain transform method for Lamb wave dispersion compensation considering signal waveform correction. Smart Mater. Struct. 22, 105024 (2013)ADSCrossRefGoogle Scholar
  12. 12.
    L. De, A. Marchi, N. Marzani, E.Viola Speciale, A passive monitoring technique based on dispersion compensation to locate impacts in plate-like structures. Smart Mater. Struct. 20, 035021 (2011)ADSCrossRefGoogle Scholar
  13. 13.
    R. Sicard, J. Goyette, D. Zellouf, A numerical dispersion compensation technique for time recompression of Lamb wave signals. Ultrasonics 40, 727 (2002)CrossRefGoogle Scholar
  14. 14.
    Z. Su, L. Ye, Y. Lu, Guided Lamb waves for identification of damage in composite structures: a review. J. Sound Vib. 295, 753–780 (2006)ADSCrossRefGoogle Scholar
  15. 15.
    M.J.S. Lowe, O. Diligent, Low-frequency reflection characteristics of the S0 Lamb wave from a rectangular notch in a plate. J. Acoust. Soc. Am. 111, 64 (2002)ADSCrossRefGoogle Scholar
  16. 16.
    O. Diligent, T. Grahn, A. Boström, P. Cawley, M.J. Lowe, The low-frequency reflection and scattering of the S0 Lamb mode from a circular through-thickness hole in a plate: Finite Element, analytical and experimental studies. J. Acoust. Soc. Am. 112, 2589 (2002)ADSCrossRefGoogle Scholar
  17. 17.
    V. Giurgiutiu, Tuned Lamb wave excitation and detection with piezoelectric wafer active sensors for structural health monitoring. J. Intell. Mater. Syst. Struct. 16, 291 (2005)CrossRefGoogle Scholar
  18. 18.
    B. Xu, V. Giurgiutiu, Single mode tuning effects on Lamb wave time reversal with piezoelectric wafer active sensors for structural health monitoring. J. Nondestruct. Eval. 26, 123 (2007)CrossRefGoogle Scholar
  19. 19.
    F.L. Degertekin, B.T. Khuri-Yakub, Single mode Lamb wave excitation in thin plates by Hertzian contacts. Appl. Phys. Lett. 69, 146 (1996)ADSCrossRefGoogle Scholar
  20. 20.
    S.J. Mirahmadi, F. Honarvar, Application of signal processing techniques to ultrasonic testing of plates by S0 Lamb wave mode. NDT & E Int. 44, 131 (2011)CrossRefGoogle Scholar
  21. 21.
    L. Chen, Y. Dong, Q. Meng, W. Liang, FEM simulation for Lamb wave evaluate the defects of plates, in International Workshop on Microwave and Millimeter Wave Circuits and System Technology (MMWCST) (IEEE, 2012), pp. 1–4Google Scholar
  22. 22.
    A. Ghadami, M. Behzad, H.R. Mirdamadi, A mode conversion-based algorithm for detecting rectangular notch parameters in plates using Lamb waves. Arch. Appl. Mech. 85, 793 (2015)ADSCrossRefGoogle Scholar
  23. 23.
    D.N. Alleyne, M.J.S. Lowe, P. Cawley, The reflection of guided waves from circumferential notches in pipes. J. Appl. Mech. 65, 635 (1988)CrossRefGoogle Scholar
  24. 24.
    Y. Matsuda, C.J.K. Richardson, J.B. Spicer, Spectral compression of ultrafast acoustic transients in thin films for enhanced detectability. Appl. Phys. Lett. 79, 2288 (2011)ADSCrossRefGoogle Scholar
  25. 25.
    C.M. Hernandez, T.W. Murray, S. Krishnaswamy, Photoacoustic characterization of the mechanical properties of thin films. Appl. Phys. Lett. 80, 691 (2002)ADSCrossRefGoogle Scholar
  26. 26.
    O.M. Mukdadi, S.K. Datta, Transient ultrasonic guided waves in layered plates with rectangular cross section. J. Appl. Phys. 93, 9360 (2004)ADSCrossRefGoogle Scholar
  27. 27.
    A.R. Clough, R.S. Edwards, Lamb wave near field enhancements for surface breaking defects in plates. J. Appl. Phys. 111, 104906 (2012)ADSCrossRefGoogle Scholar
  28. 28.
    M. Castaings, E. Le Clezio, B. Hosten, Modal decomposition method for modeling the interaction of Lamb waves with cracks. J. Acoust. Soc. Am. 112, 2567 (2002)ADSCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Qingnan Xie
    • 1
  • Shiling Yan
    • 1
  • Jian Lu
    • 1
  • Chenyin Ni
    • 1
  • Xiaowu Ni
    • 1
  • Zhonghua Shen
    • 1
    Email author
  1. 1.School of ScienceNanjing University of Science and TechnologyNanjingChina

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