NDT.net - February 2003, Vol. 8 No.2

DEFORMATION-MEASUREMENT WITH SPECKLE- INTERFEROMETRY BY ULTRASOUND EXCITATION

H.Gerhard, G.Busse
(University of Stuttgart, IKP-ZfP,Pfaffenwaldring 32,D-70569 Stuttgart, Germany)
( gerhard@ikp.uni-stuttgart.de)
Paper presented at the 8th ECNDT, Barcelona, June 2002

Abstract

Introduction

Principle of ultrasound excitation

Measuring principle and experimental set-up

Results

Inspection of a CFRP- plate

Investigation on GFRP

Crack-detection in ceramics

Conclusion

Acknowledgments

References

  1. Salerno, A.; Danesi, S.; Wu, D.; Ritter, S.; Busse, G.: Ultrasonic loss angle with speckle interferometry. 5th International Congress on Sound and Vibration. University of Adelaide,15.-18.12.1997
  2. Busse, G.: Zerstörungsfreie Prüfung, Lecture notes, University Stuttgart,1998
  3. Krohn, N.; Busse, G.: Nonlinear vibrometry for damage detection, 7thInternational Congress on Sound an Vibration, 4-7 July Garmisch-Patenkirchen, Proceedings, S. II-589-596
  4. Dillenz, A.; Zweschper, T.; Busse, G.: Elastic wave burst thermography for NDE of subsurface features. In: INSIGHT Vol 42 No 12 (2000) pp. 815-817
  5. Cloud, G.: Optical Methods of Engineering Analysis. Cambridge: University of Cambridge, 1995
  6. Ritter, S.; Busse, G.: 3D-electronic speckle-pattern-interferometer (ESPI) in der zerstörungsfreien Werkstoff- und Bauteilprüfung. Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V. (Jahrestagung 17.-19.05.93, Garmisch- Partenkirchen), pp. 491-498
  7. Stoessel, R.; Dillenz, A.; Krohn, N.; Busse, G.: Zerstörungsfreie Prüfung mit defekt-selektiven Abbildungsverfahren. Materialprüfung 42 (2000) 1/2 , pp. 38- 44
  8. Verband der Keramischen Industrie e.V.: Brevier Technische Keramik. Fahner Verlag (1998)

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