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| Effect of Rare Earth Cerium on the Magnetic Properties of 2.9%Si Non-Oriented Electrical Steels |
| YUE Er-bin1， LI Na2 |
（1. National Engineering Research Center of Continuous Casting Technology, Central Iron and Steel Research Institute, Beijing 100081, China
2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China） |
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Abstract In order to obtain high grade non-oriented electrical steel with excellent magnetic properties, the effect of Ce on the formation of inclusions, microstructure, texture and magnetic properties of 2.9%Si non-oriented electrical steel was investigated in depth and systematically. The results show that the proper content of Ce (0.005 5%) could make the inclusions in steel aggregated and coarsened. Therefore, the recrystallized grain size increased together with {100} and {110} texture component, and {111} texture component decreased. Under this condition, the magnetic properties reached an optimal value. However, when an excessive amount of Ce (0.019%) was added, all the effects would become opposite.
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Received: 24 March 2014
Published: 02 December 2014
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2014, Vol. 49 
