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Automated Magnetic Field Evaluation for Magnetic Particle Inspection by Impulse

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Abstract

A new method of magnetic field evaluation for magnetic particle inspection is presented. Measurements show that a magnetic field value itself is not a sufficient predictor of detection ability. The evaluation method is based on a magnetic field measurement and the calculation of the impulse of magnetic force on a detection particle. Results are compared with commonly used gauges. Directions of sufficient field indicated by this novel method correspond with directions shown by standard gauges.

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Acknowledgements

This work was supported by CTU project SGS17/182/OHK3/3T/13.

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Authors and Affiliations

  1. Department of Electromagnetic Field, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 166 27, Prague 6, Czech Republic

    Pavel Staněk & Zbyněk Škvor

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  1. Pavel Staněk
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  2. Zbyněk Škvor
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Correspondence to Pavel Staněk.

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Staněk, P., Škvor, Z. Automated Magnetic Field Evaluation for Magnetic Particle Inspection by Impulse. J Nondestruct Eval 38, 75 (2019). https://doi.org/10.1007/s10921-019-0615-4

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  • DOI: https://doi.org/10.1007/s10921-019-0615-4

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