首页|Development of Technology for Producing High-Alloyed EIS with Low Specific Magnetic Losses and High Adhesion of Electrical Insulating Coating
Development of Technology for Producing High-Alloyed EIS with Low Specific Magnetic Losses and High Adhesion of Electrical Insulating Coating
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Abstract In the paper, we study the complex effect of the normalization annealing modes of hot-rolled steel on the texture of high-alloy electrical isotropic steel with a high aluminum content and metal microalloying with tin and antimony while developing a technology for the production of high-alloy (Si content is > 2.9%) cold-rolled electrical isotropic steel with a low level of specific magnetic losses (P1.5/50 ≤ 2.50 W/kg for strips with a nominal thickness of 0.50 mm and P1.5/50 ≤ 2.35 W/kg for strips with a nominal thickness of 0.35 mm). Alloying of steel with aluminum (Al > 1.0%) and tin (Sn > 0.025%) improves the texture of the finished steel, significantly reducing the level of specific magnetic losses. The effect of heat treatment modes of cold-rolled steel on the formation of the microstructure of the annealed metal and the adhesion of the electrical insulating coating is considered.
high-alloyed cold-rolled electrical isotropic steelspecific magnetic lossessteel alloyingnormalizationheat treatmenttexturestructureadhesion of electrical insulating coating
Morozov A. V.、Lavrov V. A.、Cheglov A. E.、Degtev S. S.、Barybin V. A.、Chernikov O. V.、Saitgaraev A. A.、Yusupov V. S.、Komolova O. A.、Semin A. E.、Kosyrev K. L.
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PJSC Novolipetsk Iron and Steel Works
Lipetsk State Technical University
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Ugarov Starooskol Institute of Technology, National University of Science and Technology MISIS
Research and Production Association “Central Research Institute of Engineering Technology”
NSTL
