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Characterisation of steel grades by Magnetoinductive method

D. Stegemann, W. Reimche, B. Heutling, A. Krys,
Institute of Nuclear Engineering and Non Destructive Testing (IKPH)
University of Hannover, Elbestrasse 38A, 30419 Hannover, Germany
J. Kroos, M. Stolzenberg, G. Westkämper
Salzgitter Stahl AG, Salzgitter, Germany
R. Angerer
Voest Alpine Stahl, Linz, Austria
Contact

Abstract

Introduction.

How we measure.

Measuring System.

What we measure.

Results

Compensation of disturbance variables

Integration of the measuring system into the inspection system

Conclusion

Acknowledgement

References

  1. Gruska, K.; Use of Harmonic analysis for inspection of ferromagnetic materials Soviet Journal NDT 19, 1983, p. 399
  2. Sablik M J., Burkhardt G L., Kwun H., Jiles D C. A model for the effect of stress on the low-frequency harmonic content of the magnetic induction in ferromagnetic materials. J. Appl. Phys. 63(8), 1988
  3. Stegemann D., Reimche W., Feiste K L., Heutling B. Determination of mechanical properties of sheet steel by electromagnetic techniques. Nondestructive Charaterization of Materials VIII, Plenum Press, 1998 p 269
  4. Stegemann D., Reimche W.,.Krys, A., Heutling B. Feiste K. L. Kroos, J., Stolzenberg, M., Westkämper, G., Angerer, R. Characterisation of Mechanical-Technological Steel Properties by Non Linear Harmonics Analysis within the Production Line Nondestructive Charaterization of Materials IX, AIP Conf. Proc. 497, 1999, p. 196-201.

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