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has been cited by the following article:

• TITLE: The Static Characteristic Loop and the External Demagnetizing Factor

  AUTHORS: J. Takacs, Gy. Kovacs, L. K. Varga

  KEYWORDS: Magnetism; Hysteresis; Modelling; Shearing

  JOURNAL NAME: Materials Sciences and Applications, Vol.3 No.10, October 19, 2012

  ABSTRACT: In this paper we demonstrate, that shearing is changing only one parameter of the static loop. By using the shearing factor Ns, linked to the widely used, demagnetization coefficient ND, we show the one parameter link between the static unsheared and that of the sheared saturation loop, obtained by a non-toroidal, open circuit hysteresis measurement. The paper illustrates the simple relation between open circuit loop data and measured real static saturation data. The proposed theory is illustrated by using the hyperbolic model. For experimental illustration, tests results are used, which were carried out on two closed and open toroidal samples, made of NO Fe-Si electrical steel sheet, mimicking the demagnetization effect of the open circuit VSM measurement. These are both theoretical and experimental demonstrations, that shearing only changes the inclination of the static hysteresis loop. These test results, presented here, agree very well with the calculated results, based on the proposed method.