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Cracks Detection by Electromagnetic and Acoustic Emission

J. Sikula, B. Koktavy, J. Pavelka, P. Koktavy , V. Sedlakova
Department of Physics, Technical University of Brno, Czech Republic
T. Lokajicek
Geophysical Institute, Academy of Science, Prague, Czech Republic
M. Tacano
Meisei University, Hino, Tokyo
S. Hashiguchi
Yamanashi University, Kofu, Japan

Contact

Abstract

Introduction

Experimental set-up

Experimental results

Crack position

Crack orientation

Crack length

Conclusion

Acknowledgement

References

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  3. T. Ogawa, K. Oike and T. Miura: Electromagnetic radiation from rocks, J. Geophys. Res., 90, 6245-6249, 1985.
  4. I. Zamada, K. Masuda, H. Mizutani: Electromagnetic and acoustic emission associated with rock fracture, Phys. Earth. Planet Int., 57, 157-168, 1989.
  5. T.Lokajícek and J. Šikula, Acoustic emission and electromagnetic effects in rocks, Progress in Acoustic Emission VIII, 1996, pp. 311-314
  6. Y. Mori, K. Saruhashi and K. Mogi, Acoustic emission from rock specimen under cyclic loading, Progress in Acoustic Emission VII, 1994, pp. 173-178
  7. Y. Mori, K. Sato, Y. Obata and K. Mogi, Acoustic emission and electric potential changes of rock samples under cyclic loading, Progress in Acoustic Emission IX, 1998
  8. J. Šikula, B. Koktavý, P. Vašina and T. Lokajícek, Cracks and quality testing by acoustic and electromagnetic emission, Proc. of the 23rd European Conference on Acoustic Emission Testing, TUV Austria, Wien 6-8, May, 1998, p. 130-133.

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