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Range of Applicability of a Technique for Constructing Magnetic Induction Lines for Flaw Sizing in Extended Objects

  • ELECTROMAGNETIC METHODS
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Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

A technique for approximate solution of the inverse geometric problem of magnetostatics for a plate made of a high-permeability ferromagnet in a magnetic field is presented. The technique is presented both for the case of magnetic transducers located directly above a surface defect of loss of metal continuity and for the case where magnetic transducers are located above the defect-free surface of the plate. It is assumed that the plate is accessible from one side only. The sizes of defects in which the proposed technique works reliably are determined. It is shown that the proposed technique can be used in mobile devices to carry out flaw detection of drill pipes using the MFL (magnetic flux leakage) method directly at drilling sites.

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Funding

This work was carried out within the framework of the state order on topic “Diagnostics,” project no. 122021000030-1.

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Authors and Affiliations

  1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, 620108, Yekaterinburg, Russia

    A. V. Nikitin, A. V. Mikhaylov, L. V. Mikhaylov, Yu. L. Gobov, V. N. Kostin & Ya. G. Smorodinskiy

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  1. A. V. Nikitin
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  2. A. V. Mikhaylov
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  3. L. V. Mikhaylov
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  4. Yu. L. Gobov
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  5. V. N. Kostin
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  6. Ya. G. Smorodinskiy
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Corresponding authors

Correspondence to A. V. Nikitin, A. V. Mikhaylov, L. V. Mikhaylov, Yu. L. Gobov, V. N. Kostin or Ya. G. Smorodinskiy.

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Nikitin, A.V., Mikhaylov, A.V., Mikhaylov, L.V. et al. Range of Applicability of a Technique for Constructing Magnetic Induction Lines for Flaw Sizing in Extended Objects. Russ J Nondestruct Test 59, 1297–1305 (2023). https://doi.org/10.1134/S1061830923700596

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  • DOI: https://doi.org/10.1134/S1061830923700596

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