退火工艺对平面流铸高硅钢薄带组织与磁性能的影响

doi:10.13251/j.issn.0254-6051.2025.09.019

金属热处理 ›› 2025, Vol. 50 ›› Issue (9): 125-131.DOI: 10.13251/j.issn.0254-6051.2025.09.019

退火工艺对平面流铸高硅钢薄带组织与磁性能的影响

朱作鑫¹, 孙飞龙², 王中辉³, 王明慧³, 刘茹霞², 吴桂林²

1.日照市科技创新服务中心, 山东日照 276800;
2.北京科技大学碳中和研究院, 北京 100083;
3.日照市创新创业共同体管理服务有限公司, 山东日照 276800

收稿日期:2025-04-09 修回日期:2025-07-12 出版日期:2025-09-25 发布日期:2025-10-13
通讯作者: 吴桂林,教授,博士,E-mail:guilinwu@ustb.edu.cn
作者简介:朱作鑫(1985—),男,博士研究生,主要研究方向为钢铁材料生产工艺、高性能钢铁材料及制备等,E-mail:zhuzuoxin2004@163.com。
基金资助:
国家重点研发计划(2021YFB3800502);山东省特钢材料与装备创新创业共同体重点研发项目(SDHH2023001)

Effect of annealing process on microstructure and magnetic properties of high silicon steel ribbons fabricated by planner flow casting

Zhu Zuoxin¹, Sun Feilong², Wang Zhonghui³, Wang Minghui³, Liu Ruxia², Wu Guilin²

1. Rizhao Science and Technology Innovation Service Center, Rizhao Shandong 276800, China;
2. Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China;
3. Rizhao Innovation and Entrepreneurship Community Management Service Co., Ltd., Rizhao Shandong 276800, China

Received:2025-04-09 Revised:2025-07-12 Online:2025-09-25 Published:2025-10-13

摘要/Abstract

摘要： 采用平面流铸(PFC)工艺制备出厚度为0.03 mm,宽度为15 mm的Fe-6.5Si高硅钢薄带,研究了Ar保护下退火工艺(800~1100 ℃×1 h、1100 ℃×1~4 h)对PFC薄带组织、织构与磁性能的影响,并与相同工艺下10%H₂和90%N₂混合气氛退火后PFC薄带的磁性能进行对比。结果表明,随着退火温度的升高,PFC薄带贴辊面和自由面的晶粒尺寸逐渐增大,铁损在磁滞损耗P_h和涡流损耗P_e综合作用下先降低后升高。磁感应强度受贴辊面和自由面织构的共同影响,当退火温度为1100 ℃时,随着退火时间的延长,贴辊面和自由面的{001}织构弱化,磁感应强度逐渐降低。考虑PFC薄带退火后的综合磁性能,最佳退火工艺为1100 ℃×1 h,此时铁损P_10/400和P_2/5000分别为18.7 W/kg和14.4 W/kg,磁感应强度B₈和B₂₅分别为1.15 T和1.27 T。由Ar气氛与10%H₂和90%N₂混合气氛下退火样品磁性能的对比可知,氮氢混合气氛对PFC薄带的退火磁性能有益。

关键词: 高硅钢, 平面流铸(PFC), 退火工艺, 织构, 磁性能

Abstract: Fe-6.5Si high silicon steel ribbons with a thickness of 0.03 mm and a width of 15 mm were prepared by planner flow casting (PFC). The effect of annealing (800-1100 ℃ for 1 h, 1100 ℃ for 1-4 h) under Ar protection on the microstructure, texture, and magnetic properties of PFC ribbons was studied. These results were compared with the magnetic properties of the PFC ribbons annealed in a mixed atmosphere of 10%H₂ and 90%N₂ under the same condition. The results show that grain sizes on both the wheel surface and free surface of the PFC ribbons gradually increase with increasing annealing temperature. The iron loss, influenced by the combined effects of hysteresis loss P_h and eddy current loss P_e, initially decreases and then increases. Magnetic induction is jointly influenced by the wheel and the free surface textures. When annealing at 1100 ℃, as the time is extended, the {001} texture on the wheel surface and free surface weakens, leading to the decrease in magnetic induction. Considering the comprehensive magnetic properties, the optimal annealing process is determined to be 1100 ℃ for 1 h, resulting in the iron losses P_10/400 =18.7 W/kg and P_2/5000=14.4 W/kg, and the magnetic induction B₈=1.15 T and B₂₅=1.27 T. Annealing in the nitrogen-hydrogen mixed atmosphere is beneficial for the magnetic properties of the PFC thin ribbons.

Key words: high silicon steel, planar flow casting (PFC), annealing process, texture, magnetic properties

中图分类号:

TG142.1

朱作鑫, 孙飞龙, 王中辉, 王明慧, 刘茹霞, 吴桂林. 退火工艺对平面流铸高硅钢薄带组织与磁性能的影响[J]. 金属热处理, 2025, 50(9): 125-131.

Zhu Zuoxin, Sun Feilong, Wang Zhonghui, Wang Minghui, Liu Ruxia, Wu Guilin. Effect of annealing process on microstructure and magnetic properties of high silicon steel ribbons fabricated by planner flow casting[J]. Heat Treatment of Metals, 2025, 50(9): 125-131.

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退火工艺对平面流铸高硅钢薄带组织与磁性能的影响

Effect of annealing process on microstructure and magnetic properties of high silicon steel ribbons fabricated by planner flow casting

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