Russian Journal of Nondestructive Testing

, Volume 39, Issue 8, pp 615–628 | Cite as

On Possibility of Nondestructive Testing of the Grain Size in the Intermediate Stages of Manufacturing Electrical Steel

  • M. L. Lobanov
  • I. P. Sysolyatina
  • V. K. Chistyakov
  • Yu. L. Gobov
  • E. S. Gorkunov
  • S. M. Zadvorkin
  • G. S. Korzunin
  • A. G. Lavrent'ev
  • D. V. Perov
  • A. B. Rinkevich
  • V. A. Sandovskii


The results of investigation of the relation between the grain size in the intermediate stages of manufacturing electrical steel and various physical characteristics are given. The investigations are carried out for the purpose of clarifying the possibility of using these characteristics for arranging nondestructive testing of the grain size in the process of steel manufacturing. The paper contains the results of tests performed with the use of the methods of measuring the leakage magnetic fields on the grain boundaries by means of yttrium iron garnet films employed for visualization of the magnetic fields, the Barkhausen effect, the ultrasonic and eddy-current methods, the electromagnetic-acoustic conversion (EMAC) method, and the use of the relation between the grain size and the value of the coercive force.


Iron Grain Size Magnetic Field Physical Characteristic Yttrium 
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Copyright information

© MAIK “Nauka/Interperiodica” 2004

Authors and Affiliations

  • M. L. Lobanov
    • 1
    • 2
  • I. P. Sysolyatina
    • 1
    • 2
  • V. K. Chistyakov
    • 1
    • 2
  • Yu. L. Gobov
    • 1
    • 2
  • E. S. Gorkunov
    • 1
    • 2
  • S. M. Zadvorkin
    • 1
    • 2
  • G. S. Korzunin
    • 1
    • 2
  • A. G. Lavrent'ev
    • 1
    • 2
  • D. V. Perov
    • 1
    • 2
  • A. B. Rinkevich
    • 1
    • 2
  • V. A. Sandovskii
    • 1
    • 2
  1. 1.OOO VIZ-STAL' Institute of Metal Physics, Ural DivisionRussian Academy of SciencesYekaterinburgRussia
  2. 2.Institute of Mechanical Engineering, Ural DivisionRussian Academy of SciencesYekaterinburgRussia

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