磁-热耦合退火对CGO钢Goss晶粒取向度的影响

doi:10.13251/j.issn.0254-6051.2023.05.046

金属热处理 ›› 2023, Vol. 48 ›› Issue (5): 287-290.DOI: 10.13251/j.issn.0254-6051.2023.05.046

磁-热耦合退火对CGO钢Goss晶粒取向度的影响

董丽丽^1,2, 刘永珍¹, 麻永林¹, 刘宝志³

1.内蒙古科技大学材料与冶金学院(稀土学院), 内蒙古包头 014010;
2.内蒙古包钢钢联股份有限公司技术中心, 内蒙古包头 014010;
3.包头市威丰稀土电磁材料股份有限公司, 内蒙古包头 014010

收稿日期:2022-11-04 修回日期:2023-03-31 出版日期:2023-05-25 发布日期:2023-06-21
通讯作者: 麻永林,教授,E-mail: malin@imust.cn
作者简介:董丽丽(1987—),女,高级工程师,博士研究生,主要研究方向为取向硅钢磁-热耦合退火工艺,E-mail: donglilibest@126.com。
基金资助:
内蒙古自治区科技计划(2021GG0047)

Effect of magneto-thermal coupling annealing on Goss grain orientation of CGO steel

Dong Lili^1,2, Liu Yongzhen¹, Ma Yonglin¹, Liu Baozhi³

1. School of Materials and Metallurgy(Rare Earth Institute), Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China;
2. Technology Center of Inner MongoliaBaogang Steel Union Co., Ltd., Baotou Inner Mongolia 014010, China;
3. Baotou Weifeng Rare Earth Electromagnetic Materials Co., Ltd., Baotou Inner Mongolia 014010, China

Received:2022-11-04 Revised:2023-03-31 Online:2023-05-25 Published:2023-06-21

摘要/Abstract

摘要： 采用实验室自主研发的磁-热耦合处理装置,利用X射线衍射仪和磁性能测量仪对不同参数磁-热耦合拉伸平整退火后的CGO钢组织、Goss取向晶粒偏差角以及磁性能进行检测分析。结果表明,磁-热耦合退火能够促进CGO钢拉伸平整过程中晶粒长大,同时减小Goss取向晶粒偏差角最大值,从而改善其磁性能。在 750 ℃下施加12 mT磁场时,磁-热耦合退火作用效果最为显著,Goss取向晶粒偏差角最大值较未施加磁场时减小2.76°,铁损值降低,磁感应强度提高。

关键词: 取向硅钢, 磁-热耦合, 拉伸平整退火, 取向偏差角, 磁性能

Abstract: Microstructure, misorientation of Goss oriented grain and magnetic properties of the CGO steel after magneto-thermal coupling tensile leveling annealing under different parameters were investigated and analyzed by means of self-made magnetic-thermal coupling device, X-ray diffractometer and magnetic measuring instrument. The results show that the magneto-thermal coupling annealing can promote the grain growth in the CGO steel and reduce the maximum misorientation of Goss orientated grain, thus improving the magnetic properties. By employing magnetic field with intensity of 12 mT at 750 ℃, the effect of magneto-thermal coupling annealing is the most significant, the maximum misorientation of Goss orientated grain is reduced by 2.76° compared with that without magnetic field, the iron loss value is reduced and the magnetic induction intensity is increased.

Key words: oriented silicon steel, magneto-thermal coupling, tensile leveling annealing, misorientation, magnetic properties

中图分类号:

TG142

董丽丽, 刘永珍, 麻永林, 刘宝志. 磁-热耦合退火对CGO钢Goss晶粒取向度的影响[J]. 金属热处理, 2023, 48(5): 287-290.

Dong Lili, Liu Yongzhen, Ma Yonglin, Liu Baozhi. Effect of magneto-thermal coupling annealing on Goss grain orientation of CGO steel[J]. Heat Treatment of Metals, 2023, 48(5): 287-290.

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磁-热耦合退火对CGO钢Goss晶粒取向度的影响

Effect of magneto-thermal coupling annealing on Goss grain orientation of CGO steel

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