退火温度对6.5%Si极薄带织构及磁性能的影响

doi:10.13251/j.issn.0254-6051.2020.06.015

金属热处理 ›› 2020, Vol. 45 ›› Issue (6): 67-71.DOI: 10.13251/j.issn.0254-6051.2020.06.015

退火温度对6.5%Si极薄带织构及磁性能的影响

刘宝志¹, 刘鹏程¹, 张思雨², 张浩¹, 张磊¹, 邢淑清²

1. 包头市威丰稀土电磁材料股份有限公司, 内蒙古包头 014010;
2. 内蒙古科技大学材料与冶金学院, 内蒙古包头 014010

收稿日期:2019-11-24 出版日期:2020-06-25 发布日期:2020-09-02
通讯作者: 邢淑清,教授,E-mail:286338044@qq.com
作者简介:刘宝志(1982—),男,高级工程师,主要研究方向为高质量取向硅钢生产技术,E-mail:liubaozhi001@163.com。
基金资助:
内蒙古科技大学产学研培育基金(2016CXY01)

Effect of annealing temperature on texture and magnetic properties of 6.5%Si ultra-thin strip

Liu Baozhi¹, Liu Pengcheng¹, Zhang Siyu², Zhang Hao¹, Zhang Lei¹, Xing Shuqing²

1. Baotou Weifeng Rare Earth Electromagnetic Materials Co., Ltd., Baotou Inner Mongolia 014010, China;
2. School of Materials and Metallurgy, Inner Mongolia University of Science & Technology, Baotou Inner Mongolia 014010, China

Received:2019-11-24 Online:2020-06-25 Published:2020-09-02

摘要/Abstract

摘要： 采用单辊甩带法制备了厚度为0.03 mm的6.5%Si极薄带,并在真空炉中进行了880 ℃和920 ℃的退火处理。利用XRD和EBSD研究了其在退火后的宏观和微观织构演变规律。结果表明:经单辊甩带制得的6.5%Si极薄带织构主要由{001}<100>立方织构、{110}<001> Goss织构和{112}<111>织构组成。随着退火温度的升高,λ纤维仍占主导地位,且晶粒尺寸逐渐增大。特别是在920 ℃退火时,{001}<120>和{001}<100>晶粒的尺寸优势逐渐增大,不利织构{111}<110>和{111}<112>逐渐减弱,且最终的磁感应强度B₅₀=1.644 T,铁损耗P_10/400=5.896 W/kg。

关键词: 6.5%Si极薄带, 组织, 织构, 磁性能

Abstract: A 6.5%Si ultra-thin strip with thickness of 0.03 mm was fabricated by using of melt-spinning method, and subsequently annealed at 880 ℃ and 920 ℃ in vacuum furnace, respectively. The evolution of macro and micro texture under different annealing temperatures was investigated by means of X-ray diffraction and EBSD test. The results show that the 6.5%Si ultra-thin strip can be characterized by {001}<100> Cube, {110}<001> Goss and {112}<111> texture. The λ-fiber remains the dominant and the grain size increases gradually with the increase of annealing temperature. Especially, when annealed at 920 ℃, the size dominance of {001}<120> and {001}<100> grains increases gradually, and the unfavorable texture {111}<110> and {111}<112> decrease. Meanwhile, preeminent magnetic inductions of 1.644 T(B₅₀) and iron losses of 5.896 W/kg(P_10/400) are achieved.

Key words: 6.5%Si ultra-thin strip, microstructure, texture, magnetic properties

中图分类号:

刘宝志, 刘鹏程, 张思雨, 张浩, 张磊, 邢淑清. 退火温度对6.5%Si极薄带织构及磁性能的影响[J]. 金属热处理, 2020, 45(6): 67-71.

Liu Baozhi, Liu Pengcheng, Zhang Siyu, Zhang Hao, Zhang Lei, Xing Shuqing. Effect of annealing temperature on texture and magnetic properties of 6.5%Si ultra-thin strip[J]. Heat Treatment of Metals, 2020, 45(6): 67-71.

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退火温度对6.5%Si极薄带织构及磁性能的影响

Effect of annealing temperature on texture and magnetic properties of 6.5%Si ultra-thin strip

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