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Ultrasonic NDT of Engine Valves with Surface Acoustic Waves

I. Solodov,
Permanent address: Department of Physics, Moscow State University, 119899 Moscow, Russia
N. Krohn, R. Stoessel, G. Busse
(University of Stuttgart Institute of Polymer Testing and Polymer Science (IKP) Department of Non-Destructive Testing Pfaffenwaldring 32 D-70569 Stuttgart, Germany.
Email : busse@ikp.uni-stuttgart.de),
A. Brozeit, Ju. Weber (Polytec GmBH, Polytec-Platz 1-7, D-76337 Walbronn),
H. Riechter (CeramTec AG, Fabrikstr. 23-29, D-73207 Plochingen)
Contact

Introduction

SAW generation on a cylindrical surface

SAW propagation along a cylindrical surface

Acousto-optical B-scanning

SAW scattering by surface cracks

SAW NDT of defective and cracked ceramic valves

Main results and conclusions

Acknowledgement

References

  1. I.A.Victorov, "Rayleigh and Lamb Waves", New York: Plenum Press, 1967.
  2. S.V.Biryukov, Yu.V.Gulyaev, V.V.Krylov, and V.P.Plessky, "urface Acoustic Waves in Inhomogeneous Media", Berlin Heidelberg: Springer-Verlag, 1995, p. 205.
  3. A.J.Slobodnik, Jr., "Materials and Their Influence on Performance", in: "Acoustic Surface Waves", ed. A.A.Oliner, Berlin Heidelberg: Springer-Verlag, 1978, p. 251.
  4. B.A.Auld, "General Electromechanical Reciprocity Relations Applied to the Calculation of Elastic Wave Scattering Coefficients", Wave Motion, 1979, v. 1, N 1, pp. 3-10.
  5. G.Kino, "The Application of Reciprocity Theory to Scattering of Acoustic Waves by Flaws", J. Appl. Phys., 1978, v. 49, N 6, pp. 3190-3199.
  6. A.S.Kobayashi, "Crack Opening Displacement in a Surface Flawed Plate Subjected to Tension or Plate Bending", Proc. Sec. Int. Conf. On Mech. Behavior Mater., 1976, pp. 1073-1077
  7. J.J.Tien, B.T.Khuri-Yakub, G.Kino, A.G.Evans, and D.Marshall, "Long Wavelength Measurements of Surface Cracks in Silicon Nitride", in: Review of Progress in Quantitative Nondestructive Evaluation, eds. D.O.Thompson and D.E.Chimenti, 1982, v. 1, pp. 569-571.

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