Standardization of anhysteretic magnetization curves

2005 ◽  
Vol 97 (10) ◽  
pp. 10E504
Author(s):  
Jozef Kwiczala ◽  
Bogusław Kasperczyk
Keyword(s):  
Magnetization Curves ◽  
Anhysteretic Magnetization

Anhysteretic magnetization processes in multidomain crystals and polycrystals

1969 ◽  
Vol 313 (1512) ◽  
pp. 97-116 ◽  
Keyword(s):  
Grain Boundaries ◽  
Minimum Energy ◽  
Polycrystalline Materials ◽  
Second Phase ◽  
Magnetization Curves ◽  
Plane Parallel ◽  
Domain Structures ◽  
Model Domain ◽  
Oriented Polycrystalline ◽  
Anhysteretic Magnetization

Theoretical anhysteretic magnetization curves are derived by searching for the minimum energy in an applied field of model domain structures. Magnetization curves are derived for: (1) Finite uniaxial crystals with 180° plane parallel walls. (2) Slightly misoriented polycrystals with (a) plane parallel walls, (b) walls allowed to bow. (3) Oriented polycrystalline materials with air gaps at the grain boundaries. The third model is found to be unrealistic, for a polycrystalline material without any second phase at the grain boundaries, and it is shown that the observed magnetization behaviour may be more generally accounted for in terms of the misorientation between grains. The calculations are precise, but the results are dependent on the initial choice of model domain structure and any limitations imposed on the way in which the walls move.

scholarly journals Suitability of the double Langevin function for description of anhysteretic magnetization curves in NO and GO electrical steel grades

AIP Advances ◽  
2017 ◽  
Vol 7 (5) ◽  
pp. 056013 ◽  
Author(s):  
Simon Steentjes ◽  
Martin Petrun ◽  
Gregor Glehn ◽  
Drago Dolinar ◽  
Kay Hameyer
Keyword(s):  
Electrical Steel ◽  
Magnetization Curves ◽  
Langevin Function ◽  
Steel Grades ◽  
Anhysteretic Magnetization

scholarly journals Higher order reversal curves in some hysteresis models

2012 ◽  
Vol 61 (4) ◽  
pp. 455-470 ◽  
Author(s):  
Krzysztof Chwastek
Keyword(s):  
Electrical Engineering ◽  
Higher Order ◽  
Effective Field ◽  
Phenomenological Description ◽  
The Other ◽  
Magnetization Curves ◽  
Hysteresis Model ◽  
Valuable Alternative ◽  
Other Hand ◽  
Anhysteretic Magnetization

Abstract Some physical concepts important for a hysteresis model (effective field, anhysteretic magnetization) are discussed on the example of Jiles-Atherton model. The Jiles-Atherton model reveals some drawbacks, which make this model more difficult to be applied in electrical engineering. In particular, it does not describe accurately the magnetization curves after a reversal, moreover complex magnetization cycles are poorly represented. On the other hand, the phenomenological description proposed by Takács seems to be a valuable alternative to the Jiles-Atherton formalism. The concept of effective field may be easily incorporated in the description.

The Influence of Isothermal Annealing and Structural Defects on Properties of Amorphous Fe78Si11B11 with High Magnetization Saturation

2017 ◽  
Vol 68 (3) ◽  
pp. 478-482 ◽  
Author(s):  
Katarzyna Bloch
Keyword(s):  
Numerical Analysis ◽  
Thermal Treatment ◽  
Saturation Magnetization ◽  
Isothermal Annealing ◽  
Diffusion Processes ◽  
Structural Defects ◽  
High Saturation Magnetization ◽  
Magnetization Curves ◽  
Magnetization Saturation ◽  
Very High

This paper presents the results of numerical analysis of the primary magnetization curves, which were obtained under the assumptions of the theory of approach to ferromagnetic saturation described in by H. Kronm�ller. Test samples of the Fe78Si11B11 alloy were tape-shaped materials, which were subjected to isothermal annealing, not causing their crystallization. The investigated ribbons (tapes) were characterized by a very high saturation magnetization value of approximately 2T, which the thermal treatment has increased by about 10%. It was found that reason for the change of saturation magnetization of the investigated samples was the local rearrangement of atoms due to diffusion processes leading to the release of free volumes to the surface and combining of them into larger unstable defects called pseudodislocational dipoles.

Irreversibility line and second peak in the magnetization curves of Pb2Sr2Y1−xCaxCu3O8 single crystals

1996 ◽  
Vol 263 (1-4) ◽  
pp. 442-445 ◽  
Author(s):  
T. Noji ◽  
T. Takabayashi ◽  
T. Nishizaki ◽  
N. Kobayashi ◽  
Y. Koike
Keyword(s):  
Single Crystals ◽  
Irreversibility Line ◽  
Magnetization Curves ◽  
Second Peak

Angular dependence of the magnetization curves and interlayer Josephson coupling in Bi2Sr2CaCu2O8

1993 ◽  
Vol 200 (1-4) ◽  
pp. 413-419 ◽  
Author(s):  
L. Klein ◽  
E.R. Yacoby ◽  
Y. Yeshurun ◽  
M. Konczykowski ◽  
K. Kishio
Keyword(s):  
Angular Dependence ◽  
Josephson Coupling ◽  
Magnetization Curves

Crystal Field Analysis of the Magnetization Curves of HoFe11Ti under High Pressure

2013 ◽  
Vol 818 ◽  
pp. 72-76 ◽  
Author(s):  
Gang Su
Keyword(s):  
High Pressure ◽  
Hydrogen Atom ◽  
Electric Field ◽  
Single Crystals ◽  
High Pressures ◽  
Field Analysis ◽  
Magnetization Curves ◽  
Crystalline Electric Field ◽  
Crystalline Anisotropy ◽  
Magneto Crystalline Anisotropy

The crystalline electric field parameters Anmfor HoFe11Ti under different pressures were evaluated by fitting calculations to the magnetization curves measured on the single crystals at several temperatures. It was found that magneto-crystalline anisotropy has been changed by high pressure and the Anmfor HoFe11Ti under high pressures are strikingly different from Anmfor the corresponding HoFe11Ti H with interstitial hydrogen atom.

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