Open AccessBook
Hysteresis in magnetism : for physicists, materials scientists, and engineers
Giorgio Bertotti
- 01 Jan 1998
640
TL;DR: The Magnetization Process: Coherent Rotation and Domain Wall Motion as discussed by the authors The Magnetic Hysteresis in Preisach Systems: Collections of Bistable Units and Vector Relations.
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Abstract: Introduction: Magnetic Hysteresis. Types of Hysteresis. Maxwells Equations and Thermodynamics: Maxwells Equations in Magnetic Media. Magnetic Work and Thermodynamics. Magnetic Free Energy: Exchange and Anisotropy. Micromagnetics. Magnetic Domains and Domain Walls. The Magnetization Process: Coherent Rotation. Domain Wall Motion. Magnetization Curves. Coercivity Mechanisms. Eddy Currents. Preisach Systems: Collections of Bistable Units. Hysteresis in Preisach Systems. Appendixes: Systems of Units. Vector Relations. Reciprocity Theorems. Micromagnetic Parameters. Stochastic Processes. Bibliography. Index.
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Citations
Unconventional dynamic hysteresis in a periodic assembly of paramagnetic colloids.
TL;DR: In contrast to the expected behavior for a bistable system, it is observed that the area of the hysteresis loop decreases by increasing the driving frequency and reduces to zero for frequencies higher than 5-7s(-1).
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Comprehensive Modeling of Automotive Ignition Systems
R. C. Stevenson,R. Palma,C. S. Yang,S. K. Park,Chris Mi +4 more
- 16 Apr 2007
TL;DR: A comprehensive approach to improve the analysis and design process of automotive ignition coils by modeling the non-linear magnetic and linear electrostatic interactions among the windings and laminations of the coil using electromagnetic finite element analysis (FEA).
Barkhausen noise hysteresis cycle: theoretical and experimental understanding
TL;DR: In this article , a theoretical analysis of the magnetic Barkhausen noise energy (MBNenergy) is presented, showing that in standard characterization conditions, the magnetization variations associated with the domain wall motions are proportional to the square of the envelope of the MBN signal instead of its absolute value.
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•Dissertation
Study of magnetic anisotropy in API 5L steels from crystallographic texture and barkhausen noise measurements
Tu Le Manh
- 09 Apr 2018
TL;DR: In this article, a stochastic physical model and a simulation mathematical framework were developed in order to explain the observed correlation between the MCE and BHN signals in the SR band.
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Spin and Ferroic Glasses
John S. McCloy
- 01 Jan 2019
TL;DR: Ferroic and spin glasses are a broad class of magnetic materials that exhibit varying degrees of disorder and magnetic frustration, resulting in characteristic glassy relaxation behavior including frequency-dependent susceptibility, aging, and memory as discussed by the authors.
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