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Review of Progress in Quantitative Nondestructive Evaluation

Volume 7B

  • Book
  • © 1988

Overview

Editors:
  1. Donald O. Thompson

    1. Ames Laboratory (USDOE), Iowa State University, Ames, USA

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    You can also search for this editor in PubMed   Google Scholar

  2. Dale E. Chimenti

    1. Materials Laboratory, Air Force Wright Aeronautical Laboratories, Wright-Patterson Air Force Base, Dayton, USA

    View editor publications

    You can also search for this editor in PubMed   Google Scholar

Part of the book series: Review of Progress in Quantitative Nondestructive Evaluation (RPQN, volume 7 B)

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Table of contents (112 chapters)

  1. Front Matter

    Pages i-iv
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  2. Interfaces: The Next NDE Challenge

    • H. N. G. Wadley
    Pages 881-892

  3. Ultrasonic Methods for Characterizing the Interface in Composites

    • J. A. Simmons, E. Drescher-Krasicka, H. N. G. Wadley, M. Rosen, T. M. Hsieh
    Pages 893-901

  4. Characterization of Film Adhesion by Acoustic Microscopy

    • A. K. Mal, R. D. Weglein
    Pages 903-910

  5. Application of SH and Lamb Wave Emat’s for Evaluation of Adhesive Joint in Thin Plate

    • F. He, S. I. Rokhlin, L. Adler
    Pages 911-918

  6. The Influence of Interfacial Conditions on the Ultrasonic Wave Interaction with Multilayered Media

    • Adnan H. Nayfeh, Timothy W. Taylor
    Pages 919-926

  7. The Influence of Material Dissipation and Imperfect Bonding on Acoustic Wave Reflection from Layered Solids

    • A. K. Mal, C.-C. Yin, Y. Bar-Cohen
    Pages 927-934

  8. Nondestructive Evaluation of Adhesive Bonds Using Leaky Lamb Waves

    • Cecil M. Teller, K. Jerome Diercks, Yoseph Bar-Cohen, Nick N. Shah
    Pages 935-942

  9. Determination of Delaminations in Adhesively Bonded Layers under Compression

    • N. K. Batra, H. H. Chaskelis
    Pages 943-951

  10. Quantitative Nondestructive Evaluation of Adhesive Bond Strength

    • Jonathan H. Gosse, Leroy R. Hause
    Pages 953-959

  11. Nondestructive Characterization of Ceramic Composite Whiskers with Neutron Diffraction and Ultrasonic Techniques

    • D. S. Kupperman, S. Majumdar, S. R. MacEwen, R. L. Hitterman, J. P. Singh, R. A. Roberts et al.
    Pages 961-969

  12. Ultrasonic Characterization of Ceramic-Ceramic Composites

    • J. B. Walter, L. A. Lott, K. L. Telschow
    Pages 971-978

  13. QNDE of a 3-D Carbon-Carbon Composite Using Photoacoustic Microscopy

    • Tasdiq Ahmed, Kenneth W. Johnson, Aldo Migione, John W. Monzyk, Gouliang Yang, Maqsood uz Zaman et al.
    Pages 979-985

  14. Elastic Wave Dispersion in Laminated Composite Plate

    • Subhendu K. Datta, Arvind H. Shah, Y. Al-Nassar, R. L. Bratton
    Pages 987-994

  15. Practical Application of State-of-the-Art NDE Techniques: Evaluation of Graphite-Epoxy Composite Wing Covers

    • Patrick H. Johnston, Doron Kishoni
    Pages 995-1001

  16. Inspecting Advanced Composite Materials at Ultrasonic Frequencies from 2 Megahertz to 2 Gigahertz

    • Graham Thomas, Ben C. Odegard
    Pages 1003-1010

  17. A Quantitative Nondestructive Evaluation Technique for Assessing the Compression-After-Impact Strength of Composites Plates

    • Jonathan H. Gosse, Leroy R. Hause
    Pages 1011-1020

  18. Eddy Current Probe Impedances Due to Interaction with Advanced Composites

    • John R. Bowler, Harold A. Sabbagh, L. David Sabbagh
    Pages 1021-1027

  19. Backscatter from Porosity in Cross-Ply Composites

    • J. Qu, J. D. Achenbach
    Pages 1029-1036

  20. A Relationship between Frequency Dependent Ultrasonic Attenuation and Porosity in Composite Laminates

    • M. S. Hughes, S. M. Handley, J. G. Miller, E. I. Madaras
    Pages 1037-1044
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Keywords

About this book

It has been shown both experimentally {2} and theoretically {2,3} that surface skimming SH waves propagating along symmetry axes of the texture have velocities that differ in proportion to the magnitude of any stress that lies along one of the symmetry axes. Specifically, the stress is directly proportional to the relative velocity difference through the equation -,--V ik=---V. -=ki) ( I) cr. = 2G (-V ~ ik where cr. is the stress in the direction i, G is the shear modulus and Vik is the ~elocity of an SH wave propagating in the i direction and polarized in the k direction. This rather simple relationship is particularly useful because the constant of proportionality involves only the well known shear modulus and the velocity term can be measured directly by observing the transit time shift when a transmitter-receiver pair of SH wave transducers are rotated through 90 degrees on the surface of the part. Experimentally, Equation (I) was tested on the web of railroad rails which had been loaded by a 200,000 pound mechanical testing machine {I}. The method of exciting and detecting the necessary surface skimming SH waves used electromagnetic acoustic transducers (EMATs) that operated through a magnetostrictive mechanism at high magnetic fields {4}. Wave velocities parallel and perpendicular to the axis of the rail on the web differed by the amount predicted by Equation (I) to an absolute accuracy of 30 percent in the worst case.

Editors and Affiliations

  • Ames Laboratory (USDOE), Iowa State University, Ames, USA

    Donald O. Thompson

  • Materials Laboratory, Air Force Wright Aeronautical Laboratories, Wright-Patterson Air Force Base, Dayton, USA

    Dale E. Chimenti

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