锡或锑在无取向电工钢中的研究进展

doi:10.13228/j.boyuan.issn1006-9356.20210820

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Abstract In recent years, due to the background of energy saving and emission reduction, numerous researchers all around the world have done a lot of investigations on the improvement of magnetic properties for non-oriented electrical steel. In order to explore the method of improving the magnetic properties of non-oriented electrical steel, the mechanism of tin or antimony on the magnetic properties (the control of grain size and crystallographic texture) of non-oriented electrical steel is illuminated. Based on this mechanism, the effect of tin or antimony addition on magnetic properties of non-oriented electrical steel is introduced. It is found that an appropriate amount of tin or antimony will not hinder the movement of grain boundary and reduce the grain size. Meanwhile, the segregation of tin or antimony at the grain boundary not only inhibits the nucleation and growth of {111} texture at the original grain boundary, but also lowers the (100) grain surface energy and promots the growth of (100) grain. Therefore, an appropriate amount of tin or antimony can reduce the core loss of non-oriented electrical steel and improve the magnetic induction. Finally, considering the production process, some suggestions on the research direction of non-oriented electrical steel are put forward, which are the effect of rare earth content on the size and quantity distribution of inclusions in high grade non-oriented silicon steels, and the effect of tin or antimony addition and normalization process parameters (normalization time, normalization temperature) on normalized band grain size.

Key words： tin or antimony non-oriented electrical steel magnetic property grain size crystallographic texture

Received: 13 December 2021

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	Articles by authors
	CHU Shao-yang
	GAN Yong
	QIU Sheng-tao
	XIANG Li
	TIAN Yu-shi
	LIU Bin

Cite this article:

CHU Shao-yang,GAN Yong,QIU Sheng-tao等. Research progress of tin or antimony in non-oriented electrical steel[J]. China Metallurgy, 2022, 32(5): 1-6.

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http://www.zgyj.ac.cn/EN/10.13228/j.boyuan.issn1006-9356.20210820 OR http://www.zgyj.ac.cn/EN/Y2022/V32/I5/1

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