刘开心,刘亚猛,李艳国,王志磊,赵帆,张志豪

• 1:北京科技大学新材料技术研究院
• 2:材料先进制备技术教育部重点实验室
• 3:燕山大学
• 4:亚稳材料制备技术与科学国家重点实验室

摘要(Abstract)：

退火是无取向硅钢热处理过程中的关键工序之一。针对冷轧变形量85%的Fe-2.3%Si无取向硅钢,采用相场模拟和实验分析相结合的方法,研究了硅钢在连续升温过程中的微观组织演化以及连续升温再结晶转变动力学曲线。结果表明:平均晶粒尺寸和再结晶特征温度的相场模拟结果与实验结果基本相同,表明本文相场模型参数设置较为合理。采用相场模拟,确定了连续退火的升温速率由10℃/s增大至35℃/s时,硅钢的再结晶开始温度由855℃提高至942℃,再结晶结束温度由1035℃提高至1157℃。获得了卷取速度对再结晶晶粒尺寸的影响规律和关系式,可为无取向硅钢连续退火工艺参数优化提供参考。

关键词(KeyWords)： 无取向硅钢;相场模拟;连续退火;再结晶

Abstract:

Keywords:

基金项目(Foundation): 河北省创新能力提升计划项目(23561002D)

作者(Author): 刘开心,刘亚猛,李艳国,王志磊,赵帆,张志豪

DOI: 10.13289/j.issn.1009-6264.2024-0114

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