Analytic expression for the magnetization curve and hysteresis loop

Measurement of magnetically induced stress as a means of determining magnetization characteristics of mild steel The magnetic major hysteresis loop and the initial magnetization curve are obtained for mild steel from measurements of the attractive force between magnetized semi-rings. A check determination of the hysteresis loop using a standard method yields good agreement.

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Inverted Hysteresis Loops in the Fe73.5Cu1Nb3Si13.5B9 Alloy With Small Coercivity

Frontiers in Materials ◽

10.3389/fmats.2021.765427 ◽

2021 ◽

Vol 8 ◽

Author(s):

P. P. Shen ◽

Y. T. Wang ◽

B. A. Sun

Keyword(s):

Hysteresis Loop ◽

Magnetization Curve ◽

Room Temperature ◽

Hysteresis Loops ◽

Superconducting Magnet ◽

Structural Inhomogeneity ◽

Physical Origin ◽

Soft Magnetic ◽

Field Range ◽

The Past

The phenomenon of inverted hysteresis loop has been observed in many materials for the past decades. However, the physical origin of the inverted hysteresis loop has long been debated. Here, we report the completely inverted hysteresis loop with a clockwise cycle in the soft-magnetic nanocrystalline Fe73.5Cu1Nb3Si13.5B9 alloy and amorphous Fe73.5Cu1Nb3Si13.5B9 alloy at room temperature. The negative remanence and positive coercivity were observed in the descending branch of magnetization curve when the scan field range was above 1 KOe. By comparing the results with that of the standard Pd sample, we found that the net coercivities of the nanocrystalline Fe73.5Cu1Nb3Si13.5B9 alloy and standard Pd sample are almost equal for the different scanning field ranges. Therefore, it is confirmed that the phenomenon of completely inverted hysteresis loop is caused by the remanence of superconducting magnet rather than the structural inhomogeneity effects. Our results suggest that special care should be taken during the measurement of hysteresis loops using MPMS 3, especially for the materials with small coercivity.

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Identification of the Preisach Model parameters using only the major hysteresis loop and the initial magnetization curve

2016 IEEE Conference on Electromagnetic Field Computation (CEFC) ◽

10.1109/cefc.2016.7816148 ◽

2016 ◽

Cited By ~ 1

Author(s):

Maxime Tousignant ◽

Frederic Sirois ◽

Afef Kedous-Lebouc

Keyword(s):

Hysteresis Loop ◽

Magnetization Curve ◽

Model Parameters ◽

Preisach Model ◽

Initial Magnetization

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Analytical prediction of the magnetization curve and the ferromagnetic hysteresis loop

Journal of Applied Physics ◽

10.1063/1.331768 ◽

1983 ◽

Vol 54 (10) ◽

pp. 5935-5940 ◽

Cited By ~ 23

Author(s):

M. A. Escobar ◽

R. Valenzuela ◽

L. F. Magaña

Keyword(s):

Hysteresis Loop ◽

Magnetization Curve ◽

Analytical Prediction ◽

Ferromagnetic Hysteresis ◽

Ferromagnetic Hysteresis Loop

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Influence of the shape of the grain on the magnetization curve and the ferromagnetic hysteresis loop

Journal of Magnetism and Magnetic Materials ◽

10.1016/0304-8853(86)90742-0 ◽

1986 ◽

Vol 62 (1) ◽

pp. 108-114 ◽

Cited By ~ 4

Author(s):

L.F. Magaña ◽

M.A. Escobar ◽

J.L. Vázquez

Keyword(s):

Hysteresis Loop ◽

Magnetization Curve ◽

Ferromagnetic Hysteresis ◽

Ferromagnetic Hysteresis Loop

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Calculation of the Main Magnetization Curve of Structural Steels Based on Parameter Measurements of the Limit Hysteresis Loop

Measurement Techniques ◽

10.1007/s11018-017-1170-y ◽

2017 ◽

Vol 60 (2) ◽

pp. 177-182 ◽

Cited By ~ 1

Author(s):

S. G. Sandomirskii

Keyword(s):

Hysteresis Loop ◽

Magnetization Curve ◽

Structural Steels

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On the nominal transverse shear strain to characterize the severity of creasing

TAPPI Journal ◽

10.32964/tj17.04.231 ◽

2018 ◽

Vol 17 (04) ◽

pp. 231-240

Author(s):

Douglas Coffin ◽

Joel Panek

Keyword(s):

Shear Strain ◽

Transverse Shear ◽

Elastic Limit ◽

Experimental Results ◽

Transverse Shear Strain ◽

Maximum Strain ◽

Machine Direction ◽

Engineering Approach ◽

Wide Range ◽

Analytic Expression

A transverse shear strain was utilized to characterize the severity of creasing for a wide range of tooling configurations. An analytic expression of transverse shear strain, which accounts for tooling geometry, correlated well with relative crease strength and springback as determined from 90° fold tests. The experimental results show a minimum strain (elastic limit) that needs to be exceeded for the relative crease strength to be reduced. The theory predicts a maximum achievable transverse shear strain, which is further limited if the tooling clearance is negative. The elastic limit and maximum strain thus describe the range of interest for effective creasing. In this range, cross direction (CD)-creased samples were more sensitive to creasing than machine direction (MD)-creased samples, but the differences were reduced as the shear strain approached the maximum. The presented development provides the foundation for a quantitative engineering approach to creasing and folding operations.

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