Modeling the Hysteresis Loop of Ultra-High Permeability Amorphous Alloy for Space Applications
Michał Nowicki1, Roman Szewczyk2, Tomasz Charubin3
1Institute of Metrology and Biomedical Engineering, Warsaw University of Technology, 02-495 Warsaw, Poland. nowicki@mchtr.pw.edu.pl.
Materials (Basel, Switzerland)
|October 26, 2018
Summary
This study models hysteresis loops in ultra-soft amorphous alloys using the Jiles-Atherton model. Both original and modified models accurately represent the material, though parameters differ significantly.
Area of Science:
- Materials Science
- Electromagnetism
- Computational Physics
Background:
- Ultra-high permeability amorphous alloys exhibit complex magnetic hysteresis.
- Accurate modeling of magnetic hysteresis is crucial for material characterization and application.
Purpose of the Study:
- To investigate Jiles-Atherton-based hysteresis loop modeling for MELTA® MM-5Co amorphous alloy.
- To evaluate the suitability of original and modified Jiles-Atherton models for this material.
Main Methods:
- Accurate measurement of minor and major hysteresis loops using a specialized stand.
- Parameter identification for Jiles-Atherton models via a two-step differential evolution optimization algorithm.
- Analysis of measurement errors, including Earth's magnetic field influence.
Main Results:
- Exemplary hysteresis loop measurement data for MELTA® MM-5Co.
- Successful application of both original and modified Jiles-Atherton models for hysteresis loop simulation.
- Significant variations observed in the identified model parameters across different model versions.
Conclusions:
- Jiles-Atherton models, both original and modified, are effective for modeling hysteresis in ultra-soft amorphous alloys.
- Model parameter values are sensitive to the specific model version used.
- Understanding parameter variations is key for precise magnetic material modeling.
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