Si含量对薄规格无取向硅钢再结晶行为的影响

doi:10.13251/j.issn.0254-6051.2026.01.001

金属热处理 ›› 2026, Vol. 51 ›› Issue (1): 1-11.DOI: 10.13251/j.issn.0254-6051.2026.01.001

• 材料研究 • 下一篇

Si含量对薄规格无取向硅钢再结晶行为的影响

裴晓格¹, 赵建翔², 顾祥宇³, 王士嘉¹, 王云飞⁴, 林媛^1,3, 张文康³, 王红霞¹

1.太原理工大学材料科学与工程学院, 山西太原 030024;
2.昌吉学院外国语学院, 新疆昌吉 831100;
3.山西太钢不锈钢股份有限公司, 山西太原 030003;
4.山西柴油机工业有限责任公司, 山西大同 037036

收稿日期:2025-08-18 修回日期:2025-11-10 出版日期:2026-01-25 发布日期:2026-01-27
通讯作者: 王红霞,教授,博士,E-mail:wanghxia1217@163.com
作者简介:裴晓格(1999—),女,硕士,主要研究方向为新能源汽车驱动电机用薄规格无取向硅钢,E-mail:peixg0309@163.com。
基金资助:
太原市关键核心技术攻关“揭榜挂帅”项目(20230224002);山西省科技重大专项(20191102004)

Effect of Si content on recrystallization behavior of thin-gauge non-oriented silicon steel

Pei Xiaoge¹, Zhao Jianxiang², Gu Xiangyu³, Wang Shijia¹, Wang Yunfei⁴, Lin Yuan^1,3, Zhang Wenkang³, Wang Hongxia¹

1. College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan Shanxi 030024, China;
2. School of Foreign Languages and Literature, Changji University, Changji Xinjiang 831100, China;
3. Shanxi Taigang Stainless Steel Co., Ltd., Taiyuan Shanxi 030003, China;
4. Shanxi Diesel Engine Industry Co., Ltd., Datong Shanxi 037036, China

Received:2025-08-18 Revised:2025-11-10 Online:2026-01-25 Published:2026-01-27

摘要/Abstract

摘要： 对相同厚度的1.60%Si和3.52%Si无取向硅钢热轧板在相同温度常化后进行一次冷轧制备薄规格(0.25 mm)无取向硅钢,并对冷轧板分别进行980 ℃×3 min成品退火和980 ℃×(3~21) s间断退火试验。采用OM、EBSD、XRD和磁性能试验研究了Si含量对无取向硅钢组织和织构演变、再结晶动力学及磁性能的影响。结果表明,1.60%Si无取向硅钢由于Si含量较低,对晶界迁移阻碍作用较弱,常化处理后的晶粒尺寸增大,冷轧后易形成剪切带,为再结晶提供形核位点,再结晶退火时形核更早。而3.52%Si无取向硅钢由于Si含量高,使得冷轧后的组织内部储能高,为再结晶提供驱动力,相对于1.60%Si无取向硅钢,其再结晶动力学在前期较快,在后期较慢,但整体再结晶速率更快,优先发生完全再结晶,导致其成品退火板的平均晶粒尺寸较小,结合其强度较低的Goss织构、强度较高的γ纤维织构及高Si含量对铁磁相的稀释作用,使得磁感应强度(B₅₀₀₀)略有降低,为1.622 T,但铁损得到了明显改善,P_1.5/50、P_1.0/400和P_1.0/1000分别降低了0.42、5.56和24.25 W/kg。

关键词: 无取向硅钢, Si含量, 再结晶行为, 织构, 磁性能

Abstract: 1.60%Si and 3.52%Si non-oriented silicon steel hot-rolled sheets with the same thickness were normalized at the same temperature, then cold rolled to prepare thin-gauge (0.25 mm) non-oriented silicon steel, and the cold-rolled sheet was subjected to finished annealing at 980 ℃ for 3 min and intermittent annealing at 980 ℃ for (3-21) s, respectively. The effect of Si content on microstructure and texture evolution, recrystallization kinetics and magnetic properties of the non-oriented silicon steel was investigated by OM, EBSD, XRD and magnetic properties tests. The results show that the 1.60%Si non-oriented silicon steel presents a diminished hindrance to grain boundary migration due to the low Si content, and the grain size increases after normalization treatment, which leads to the easy formation of shear bands after cold rolling, providing nucleation sites for recrystallization, and the recrystallization nucleation occurs earlier. The 3.52%Si non-oriented silicon steel exhibits high stored energy within the microstructure after cold rolling due to high Si content, providing the driving force for recrystallization, and the recrystallization kinetics are faster in the early stage and slower in the later stage compared to that of the 1.60%Si non-oriented silicon steel, but the overall recrystallization rate is faster and preferential completion of recrystallization, which leads to a smaller average grain size of the finished annealing sheet, combined with the weaker Goss texture, stronger γ-fiber texture and the dilution effect of high Si content on the ferromagnetic phase, causing that the magnetic induction (B₅₀₀₀) is slightly reduced to 1.622 T, however, the iron loss is significantly improved, with reductions of 0.42, 5.56 and 24.25 W/kg for P_1.5/50, P_1.0/400 and P_1.0/1000, respectively.

Key words: non-oriented silicon steel, Si content, recrystallization behavior, texture, magnetic properties

中图分类号:

裴晓格, 赵建翔, 顾祥宇, 王士嘉, 王云飞, 林媛, 张文康, 王红霞. Si含量对薄规格无取向硅钢再结晶行为的影响[J]. 金属热处理, 2026, 51(1): 1-11.

Pei Xiaoge, Zhao Jianxiang, Gu Xiangyu, Wang Shijia, Wang Yunfei, Lin Yuan, Zhang Wenkang, Wang Hongxia. Effect of Si content on recrystallization behavior of thin-gauge non-oriented silicon steel[J]. Heat Treatment of Metals, 2026, 51(1): 1-11.

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Si含量对薄规格无取向硅钢再结晶行为的影响

Effect of Si content on recrystallization behavior of thin-gauge non-oriented silicon steel

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