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Checking heat treatment of ferromagnetic components by the eddy current method

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Conclusions

  1. 1.

    Equations were formulated for the field within a cylindrical ferromagnetic test-piece in a weak alternating field (Rayleigh region).

  2. 2.

    Solution of this equation formed the basis of formulae for calculating the amplitude and phase of the secondary emf first and third harmonics.

  3. 3.

    Analysis of the formulae shows that the third E2 harmonic is the most suitable for controlling heat treatment of ferrous metal components. This theoretical conclusion was confirmed by experiment.

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References

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Authors and Affiliations

  1. Institute of Physics, Siberian Division AS USSR, USSR

    R. E. Ershov

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  1. R. E. Ershov
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Additional information

In conclusion, I have pleasure in expressing my gratitude to Professor Yu. L. Rabinovich of Moscow State University for his valuable advice on mathematical points.

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Ershov, R.E. Checking heat treatment of ferromagnetic components by the eddy current method. Soviet Physics Journal 9, 30–35 (1966). https://doi.org/10.1007/BF01206488

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  • DOI: https://doi.org/10.1007/BF01206488

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