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| Recrystallization texture development in rare-earth (RE)-doped non-oriented silicon steel |
| Zheng-hua He1, Yu-hui Sha1, Yong-kuang Gao1, Song-tao Chang1, Fang Zhang1, Liang Zuo1 |
| 1 Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang 110819, Liaoning, China |
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Abstract High-grade non-oriented silicon steel with higher permeability and lower core loss has become the pursed target with the rapid development of electrical machines. The effects of rare-earth (RE) element on recrystallization texture in RE-doped Fe-3.1 wt.% Si-1.2 wt.% Al non-oriented silicon steel were investigated by macro- and micro-texture analyses. Nonlinear variation of recrystallization texture with RE element content was observed. In the competition among main recrystallization texture components, favorable {113} <361> and λ fiber (<001>//ND) are strengthened and unfavorable γ fiber is evidently decreased by the addition of RE element, whereas the effect of RE element is reversed by excess RE element. The recrystallization texture development is determined by RE-affected nucleation and grain growth in terms of grain boundary migration related to segregation and inclusion. The properly inhibited grain boundary mobility can promote favorable recrystallization texture by the improved nucleation and efficient grain growth.
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Received: 30 August 2019
Published: 25 November 2020
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| Cite this article: |
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Zheng-hua He,Yu-hui Sha,Yong-kuang Gao, et al. Recrystallization texture development in rare-earth (RE)-doped non-oriented silicon steel[J]. Journal of Iron and Steel Research International, 2020, 27(11): 1339-1346.
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2020, Vol. 27 
