Effect of Annealing Stress on the Magnetic Properties of High-Grade Non-oriented Electrical Steel

Effect of annealing stresses on the magnetic properties of non-oriented electrical steel has been studied. When the annealing stress increases from 2.5 to 4.5 MPa, the iron loss P 1.0/400 of non-oriented electrical steel increases from 14.28 to 15.29 W/kg, the anisotropy index T raises from 17.0 to...

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2024-08, Vol.55 (8), p.2602-2608
Main Authors: Wu, Shengjie, Wang, Wanlin, Yue, Chongxiang, Qian, Hongwei, Li, Hualong
Format: Article
Language:English
Subjects:
Anisotropy
Annealing
Brief Communication
Characterization and Evaluation of Materials
Chemistry and Materials Science
Core loss
Electrical steels
Grain boundaries
Grain growth
Grain size
Magnetic induction
Magnetic properties
Materials Science
Metallic Materials
Metallurgy
Nanotechnology
Precipitates
Structural Materials
Surfaces and Interfaces
Thin Films
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Summary:Effect of annealing stresses on the magnetic properties of non-oriented electrical steel has been studied. When the annealing stress increases from 2.5 to 4.5 MPa, the iron loss P 1.0/400 of non-oriented electrical steel increases from 14.28 to 15.29 W/kg, the anisotropy index T raises from 17.0 to 22.0 pct, the magnetic induction B 5000 decreases from 1.656 to 1.646 T. This is mainly due to the amount of MnS-containing precipitates increases with the increasing of the annealing stress.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-024-07446-0