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A decrease in the error of the statistical method for estimating the parameters of flaws in magnetic flaw detection

  • Magnetic Methods
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Abstract

A method for increasing the accuracy of evaluating the dimensions of flaws during magnetic flaw detection in steel sheets and pipes, which is based on the division of a set of flaws into subclasses using a certain generalized parameter in accordance with the criterion of minimization of an appropriate estimate, is described. The results of applicability of this method to the evaluation of the depths of flaws of the metal loss type are presented.

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References

  1. Moiad Abdula, The Latest Achievements in Technology of High-Resolution Magnetic Inspection, Diagnostika-90 (Diagnostics-99), Sochi, 1999.

  2. Slesarev, D.A., Vasin, E.S., Stepanov, N.O., Barat, V.A., and Shipyakov, M.N., Identification and Evaluation of the Parameters of Flaws in Magnetic In-tube Diagnostics with an MDScan Flaw Detector, Materialy XVII rossiiskoi nauchno-tekhnicheskoi konferentsii “Nerazrushayushchii kontrol’ i diagnostika” (Proc. of XVII Russian Scientific and Engineering Conf. “Nondestructive Testing and Diagnostics”), Yekaterinburg, 2005, p. 327.

  3. Barat, V., Lunin, V., Seidel, H.-U., and Bock, A., Signal Processing of Magnetic Flux Leakage Data Obtained from Pipeline Inspection, 48th Int. Scientific Colloquium: Proc. Ilmenau, Germany, 2003, pp. 131–132.

  4. Slesarev, D. and Barart, V., Statistical Diagnostic Model for Defect Parameters Reconstruction in MFL Nondestructive Testing, Materialy 10-oi evropeiskoi konferentsii po nerazrushayushchemu kontrolyu (Proc. of 10th European Conf. on Nondestructive Testing), Moscow, 2010, p. 50.

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Authors and Affiliations

  1. OOO INTRON PLUS, Moscow, Russia

    D. A. Slesarev, V. A. Barat & O. M. Chobanu

Authors
  1. D. A. Slesarev
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  2. V. A. Barat
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  3. O. M. Chobanu
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Corresponding author

Correspondence to D. A. Slesarev.

Additional information

Original Russian Text © D.A. Slesarev, V.A. Barat, O.M Chobanu, 2012, published in Defektoskopiya, 2012, Vol. 48, No. 1, pp. 82–87.

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Slesarev, D.A., Barat, V.A. & Chobanu, O.M. A decrease in the error of the statistical method for estimating the parameters of flaws in magnetic flaw detection. Russ J Nondestruct Test 48, 55–58 (2012). https://doi.org/10.1134/S1061830912010111

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  • DOI: https://doi.org/10.1134/S1061830912010111

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