Microstructure,texture and magnetic properties of strip casting Fe–6.2 wt%Si steel sheet |
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| Authors: | Hai-Tao Liu Zhen-Yu Liu Yi-Qing Qiu Yu Sun Guo-Dong Wang |
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| Affiliation: | 1. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China;2. State Key Lab for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;1. Technical Research Center, Hyundai Steel Company, Dangjin, 343-711, Korea;2. Department of Metallurgy and Material Science, Hanyang University, Ansan, 426-791, Korea;1. State Key Laboratory of Rolling Technology and Automation, Northeastern University, Shenyang 110819, China;2. Laboratory for Excellence in Advanced Steel Research, Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, EL Paso, TX 79968, USA |
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| Abstract: | An Fe–6.2 wt%Si strip with equiaxed grains and mild {0 0 1}〈0 v w〉 fiber texture was produced by twin-roll strip casting process. Then the as-cast strip was treated with or without the hot rolling prior to the warm rolling and annealing. When the hot rolling was not introduced, a fine and heterogeneous warm-rolled microstructure was produced and led to a fine recrystallization microstructure and very weak {0 0 1}〈0 v w〉 fiber texture in the annealed sheets. When the hot rolling was introduced, a coarse and homogeneous warm-rolled microstructure was produced and led to a very coarse recrystallization microstructure and much stronger {0 0 1}〈0 v w〉 fiber texture in the annealed sheets. The annealed sheets with hot rolling showed a higher magnetic induction and a higher core loss than those without hot rolling. |
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