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Characterization of ceramic coatings with large-aperture low-frequency transducers

Pentti Kauppinen, Harri Jeskanen and Jorma Pitkänen
VTT Manufacturing Technology
FINLAND
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Abstract

Introduction

Measurement of elastic anisotropy

Results of experimental measurements

Low-frequency wide-aperture contact transducer

Conclusions

References

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  2. Chubachi, N., Kushibiki J., Sannomiya, T., Naruge, I, Saito, K. and Watanabe, S. 1991. Acoustical images observed by directional PFB microscope. In: Lee, H. & Wade, G. (eds.). Acoustical Imaging, Volume 18. New York, USA: Plenum Press. Pp. 255-260.
  3. Kauppinen, P. 1997. The evaluation of integrity and elasticity of thermally sprayed ceramic coatings by ultrasonics. VTT Publications 325. Espoo, Finland: Technical Research Centre of Finland (VTT). 130 p.
  4. Weglein, R. D. 1985. Acoustic Micro-Metrology. IEEE Transactions on Sonics and Ultrasonics, Vol. SU-32, No. 2, pp. 225-234.
  5. Briggs, A. 1992. Acoustic Microscopy. Oxford, UK: Clarendon Press. 325 p.
  6. Bergmann, L. 1954. Der Ultraschall. Zürich, Switzerland: S. Hirzel Verlag. 1114 p.

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