Skip to main content
Log in

Measuring Geometric Parameters of Discontinuity Flaws in Ferromagnetic Plates by Minimizing Smoothing Functional. I. A Study of Parameters of Smoothing Functionals and Classifying Characteristics of Discontinuity Flaws

  • Published:
Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

A smoothing functional designed for derivation of discontinuity flaw parameters from measurements of magnetic field has been optimized, and attributes used in classifying discontinuity flaws have been considered.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

REFERENCES

  1. Ietake, I. and Ito, H., Lift-off Effect and Its Application to the Defect Size Estimation in the Magnetic Leakage Flux Method, Transactions of National Research Inst. for Metals, 1986, vol. 28, no. 2, pp. 177-187.

    Google Scholar 

  2. Sandovskii, V.A., Kukovenko, A.V., and Zagidulin, R.V., A Method for Measuring Flaw Depth in a Ferromagnetic Component and a Device for Its Implementation, RF Patent no. 2034235, April 30, 1995.

  3. Zagidulin, R.V., Some Features in Configurations of Magnetic Fields Due to Discontinuity Flaws, Defektoskopiya, 1995, no. 9, pp. 55-62.

  4. Mel'nik, R.S., Krotov, L.N., Shleenkov, A.S., and Shcherbinin, V.E., Measuring Depth of a Narrow Crack Using Its Magnetostatic Field, Defektoskopiya, 1991, no. 7, pp. 89-91.

  5. Zagidulin, R.V., Dudarev, M.S., and Shcherbinin, V.E., Measuring Parameters of Fabricated and Natural Surface Flaws in Ferromagnetic Structures, Defektoskopiya, 1994, no. 2, pp. 38-46.

  6. Zagidulin, R.V., Dudarev, M.S., Shcherbinin, V.E., and Vaulin, S.L., Measuring Parameters of Surface Flaws Tilted with Respect to Surfaces of Ferromagnetic Structures, Defektoskopiya, 1994, no. 3, pp. 42-49.

  7. Zagidulin, R.V. and Shcherbinin, V.E., Magnetic Field Due to a Surface Flaw in a Ferromagnetic Plate, Defektoskopiya, 1991, no. 8, pp. 33-39.

  8. Zagidulin, R.V., Selection of Smoothing Functional for Estimating Geometric Parameters of Discontinuity Flaws in Ferromagnetic Structures, Defektoskopiya, 1997, no. 3, pp. 14-25.

  9. For, A., Vospriyatie i raspoznavanie obrazov (Perception and Identification of Images), Moscow: Mashinostroenie, 1989.

    Google Scholar 

  10. Zagidulin, R.V., Igumnova, N.B., and Shcherbinin, V.E., Identification of Discontinuity Flaws in Magnetic Nondestructive Testing, Defektoskopiya, 1994, no. 5, pp. 68-79.

  11. Zagidulin, R.V. and Shcherbinin, V.E., Quality and Quantity of Information in Classifying Attributes of Discontinuity Flaws. Quantity of Information Concerning Flaw Parameters, Defektoskopiya, 1994, no. 12, pp. 56-70.

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Zagidulin, R.V., Muzhitskii, V.F. Measuring Geometric Parameters of Discontinuity Flaws in Ferromagnetic Plates by Minimizing Smoothing Functional. I. A Study of Parameters of Smoothing Functionals and Classifying Characteristics of Discontinuity Flaws. Russian Journal of Nondestructive Testing 37, 679–686 (2001). https://doi.org/10.1023/A:1015512617931

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1015512617931

Keywords

Navigation