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A New Eddy Current Surface Probe without Lift-off Noise

Hiroshi HOSHIKAWA and Kiyoshi KOYAMA
Nihon University
Izumicho Narashino Chiba 275-8575, Japan.
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ABSTRACT

INTRODUCTION

CONVENTIONAL PANCAKE COIL PROBE

A NEW EDDY CURRENT PROBE

EXPERIMENTAL SETUP

EXPERIMENTAL RESULTS

CONCLUSION

REFERENCES

  1. Wincheski, B., Fulton, J.P., Nath, S., Namukung, M., Simpson, J.W. "Self-nulling Eddy Current Probe for Surface and Subsurface Flaw Detection," Materials Evaluation, Vol.52,No.1, pp.22-26 (1994)
  2. Krzywosz, K. "Latest Eddy Current Application in the Nuclear Industry," 13th International Conf. Nuclear & Pressure Vessel Industries, Kyoto, Japan, pp.61-65 (1995)
  3. Dodd, C. V. and Deed, W. E., "Analytical Solution to Eddy Current Probe-Coil Problems,"Journal of Applied Physics, Vol.39, No.6, pp2829-2838 (1968)
  4. Onoe, M., "An Analysis of a Finite Solenoid Coil Near a Conductor," (in Japanese) Journal of IEE of Japan, Vol.88-10, No.961, pp1894-1902 (1968)
  5. Hoshikawa, H. and Koyama, K., "A New Eddy Current Probe Using Uniform Rotating Eddy Current," Materials Evaluation, Vol.56, No.1, pp85-89 (1998)

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