<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The work is focused on the refinement of the determination of the magnetic field intensity in a Charpy-shaped steel sample. When measuring on an open sample, the intensity of the magnetic field cannot be determined directly from the current by the magnetizing winding. The distribution of the magnetic field around the sample was determined by numerical simulation, the dependence of its intensity on the distance from the sample surface is fitted with sufficient accuracy by a polynomial of the 3rd degree. A system of sensors sensing the distribution of the field at selected points above the sample was designed; by extrapolation using said fitting function, the intensity of the magnetic field on the surface of the examined sample is determined.</p>
</abstract>

The work is focused on the refinement of the determination of the magnetic field intensity in a Charpy-shaped steel sample. When measuring on an open sample, the intensity of the magnetic field cannot be determined directly from the current by the magnetizing winding. The distribution of the magnetic field around the sample was determined by numerical simulation, the dependence of its intensity on the distance from the sample surface is fitted with sufficient accuracy by a polynomial of the 3rd degree. A system of sensors sensing the distribution of the field at selected points above the sample was designed; by extrapolation using said fitting function, the intensity of the magnetic field on the surface of the examined sample is determined.

Determination of magnetic field intensity on open sample

Slovak University of Technology, Faculty of Electrical Engineering and Information Technology

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Determination of magnetic field intensity on open sample"}

The work is focused on the refinement of the determination of the magnetic field intensity in a Charpy-shaped steel sample. When measuring on an open sample,...

Determination of magnetic field intensity on open sample

Published Online: Dec 22, 2021

Page range: 419 - 422

Received: Oct 07, 2021

DOI: https://doi.org/10.2478/jee-2021-0060

Keywords
magnetic field intensity, polynomial approximation, non-destructive defectoscopy, Barkhausen noise

© 2021 Karol Hilko et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Determination of magnetic field intensity on open sample

Published Online: Dec 22, 2021

Page range: 419 - 422

Received: Oct 07, 2021

DOI: https://doi.org/10.2478/jee-2021-0060

Keywordsmagnetic field intensity, polynomial approximation, non-destructive defectoscopy, Barkhausen noise

© 2021 Karol Hilko et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
magnetic field intensity, polynomial approximation, non-destructive defectoscopy, Barkhausen noise