Scattering of SH Waves by Cracks and Delaminations in a Cladded Plate

  • R. L. Bratton
  • S. K. Datta
  • A. H. Shah


Recent investigations of space construction have explored the use of Al cladded graphite/epoxy materials for space platforms. Characterization of potential flaws and joints in the cladded material by non-destructive evaluation (NDE) methods ensures the reliability of the structure. One possible NDE method is to use anti-plane shear (SH) waves generated and detected by electromagnetic-acoustic transducers (EMATs). There have been some investigations on the interactions of SH waves with delamination defects in a bimaterial plate. References to some of these can be found in Kundu[l,2]. Scattering of SH waves by cracks in a homogeneous plate was studied by Abduljabbar, et al. [3–5].


Scattered Field Incident Field Nodal Force Exterior Region Vertical Boundary 
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  1. 1.
    T. Kundu and T. Hassan, Int. J. Fract., 35 55 (1987).Google Scholar
  2. 2.
    T. Kundu, J. Appl. Mech., 53 579 (1986).CrossRefGoogle Scholar
  3. 3.
    Z. Abduljabbar, S. K. Datta and A. H. Shah, J. Appl. Phys. 20, 461 (1983).CrossRefGoogle Scholar
  4. 4.
    Z. Abduljabbar and S. K. Datta, in Numerical Methods for Transient and Coupled Problems, R. W. Lewis, E. Hinton, P. Betess, and B. A. Schreffer, eds., Pineridge Press, Swansia (1984).Google Scholar
  5. 5.
    S. K. Datta, R. E. Schramm, and Z. Abduljabbar, in Review of Progess in Qunatitative Nondestructive Evaluation, vol. 6A, D. O. Thompson and D.E. Chimenti, eds., Plenum Press, New York (1987).Google Scholar
  6. 6.
    S. K. Datta, A. H. Shah, R. L. Bratton and T. Chakarborty, J. Acoust. Soc. Am. 83, 2020 (1988).CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • R. L. Bratton
    • 1
  • S. K. Datta
    • 1
  • A. H. Shah
    • 2
  1. 1.Department of Mechanical Engineering and CIRESUniversity of ColoradoBoulderUSA
  2. 2.Department of Civil EngineeringUniversity of ManitobaWinnipegCanada

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