D0L:10.13374.issn1001-053x.2013.08.018 第35卷第8期 北京科技大学学报 Vol.35 No.8 2013年8月 Journal of University of Science and Technology Beijing Aug.2013 铸坯热装温度对无取向硅钢中AIN和MnS析 出行为的影响 万勇1,2)☒，陈伟庆1,2)，吴绍杰1,2,3) 1)北京科技大学钢铁治金新技术国家重点实验室，北京1000832)北京科技大学治金与生态工程学院，北京100083 3)新余钢铁公司技术中心，新余338001 ☒通信作者，E-mail:wanyong0729@163.com 摘要通过固溶度积公式计算及热模拟实验，对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究。 在低于950℃热装时，铸坯中AlN的析出量和尺寸不再变化，但MS和AlN-MnS的数量及平均尺寸随着热装温度降 低而进一步增加，并在温度低于600℃时达到最大值后保持不变.与1200℃相比，1100℃加热的铸坯中A1N、MS的 总固溶量相对更少.相比850℃热装，600℃热装再加热到1100℃的铸坯中A1N和MS的总固溶量更少，且A1N和 MnS尺寸更大.合适的热装温度和加热温度分别为600℃和1100℃. 关键词硅钢：温度：析出：氮化铝：硫化锰 分类号TG142.77 Effect of the hot charging temperature of slabs on AlN and MnS precipitation behavior in non-oriented silicon steel WAN Yong 1.2),CHEN Wei-gqing 12),WU Shao-jie 1.2.3) 1)State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China 2)School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China 3)Technology Center of Xinyu Iron and Steel Co.Ltd.,Xinyu 338001,China Corresponding author,E-mail:wanyong0729@163.com ABSTRACT Based on solubility product calculation and thermal simulation experiments,precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures.When the hot charging temperature is below 950C,the content and size of AIN remain unchanged,but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases,reach maximum and remain unchanged when the hot charging temperature is below 600 C.The total content of AIN and MnS solid solution in the slab heated at 1100 C is less than that heated at 1200 C.Compared with the slab hot-charged at 850C and heated at 1100 C,the total content of AlN and MnS solid solution is less and the size of AIN and MnS is larger in the slab hot-charged at 600C and heated at 1100 C.The appropriate hot charging temperature and heating temperature are600℃and1100℃，respectively. KEY WORDS silicon steel;temperature;precipitation;aluminum nitride;manganese sulfide 无取向硅钢作为重要的磁性材料已广泛应用能的因素包括化学成分、洁净度、夹杂物、析出相、 于大中型电机、家用电机、镇流器、小型变压器等， 晶粒尺寸和织构等.AIN和MS是无取向硅钢 是电力、电子和军事工业中不可缺少的软磁合金， 中最常见的析出相.B6c等回的研究结果表明，小 其主要磁性能要求为低铁损、高磁感，而影响磁性 于某一临界磁畴的AlN、MS在晶界处弥散析出 收稿日期：2012-04-10第 35 卷 第 8 期 北 京 科 技 大 学 学 报 Vol. 35 No. 8 2013 年 8 月 Journal of University of Science and Technology Beijing Aug. 2013 铸坯热装温度对无取向硅钢中 AlN 和 MnS 析 出行为的影响 万 勇1,2) ，陈伟庆1,2)，吴绍杰1,2,3) 1) 北京科技大学钢铁冶金新技术国家重点实验室，北京 100083 2) 北京科技大学冶金与生态工程学院，北京 100083 3) 新余钢铁公司技术中心，新余 338001 通信作者，E-mail: wanyong0729@163.com 摘 要 通过固溶度积公式计算及热模拟实验，对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究. 在低于 950 ℃热装时，铸坯中 AlN 的析出量和尺寸不再变化，但 MnS 和 AlN-MnS 的数量及平均尺寸随着热装温度降 低而进一步增加，并在温度低于 600 ℃时达到最大值后保持不变. 与 1200 ℃相比，1100 ℃加热的铸坯中 AlN、MnS 的 总固溶量相对更少. 相比 850 ℃热装，600 ℃热装再加热到 1100 ℃的铸坯中 AlN 和 MnS 的总固溶量更少，且 AlN 和 MnS 尺寸更大. 合适的热装温度和加热温度分别为 600 ℃和 1100 ℃. 关键词 硅钢；温度；析出；氮化铝；硫化锰 分类号 TG142.77 Effect of the hot charging temperature of slabs on AlN and MnS precipitation behavior in non-oriented silicon steel WAN Yong 1,2) , CHEN Wei-qing 1,2), WU Shao-jie 1,2,3) 1) State Key Laboratory of Advanced Metallurgy，University of Science and Technology Beijing, Beijing 100083, China 2) School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China 3) Technology Center of Xinyu Iron and Steel Co. Ltd., Xinyu 338001, China Corresponding author, E-mail: wanyong0729@163.com ABSTRACT Based on solubility product calculation and thermal simulation experiments, precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures. When the hot charging temperature is below 950 ℃, the content and size of AlN remain unchanged, but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases, reach maximum and remain unchanged when the hot charging temperature is below 600 ℃. The total content of AlN and MnS solid solution in the slab heated at 1100 ℃ is less than that heated at 1200 ℃. Compared with the slab hot-charged at 850 ℃ and heated at 1100 ℃, the total content of AlN and MnS solid solution is less and the size of AlN and MnS is larger in the slab hot-charged at 600 ℃ and heated at 1100 ℃. The appropriate hot charging temperature and heating temperature are 600 ℃ and 1100 ℃, respectively. KEY WORDS silicon steel; temperature; precipitation; aluminum nitride; manganese sulfide 无取向硅钢作为重要的磁性材料已广泛应用 于大中型电机、家用电机、镇流器、小型变压器等， 是电力、电子和军事工业中不可缺少的软磁合金， 其主要磁性能要求为低铁损、高磁感，而影响磁性 能的因素包括化学成分、洁净度、夹杂物、析出相、 晶粒尺寸和织构等[1]. AlN 和 MnS 是无取向硅钢 中最常见的析出相. B´oc 等[2] 的研究结果表明，小 于某一临界磁畴的 AlN、MnS 在晶界处弥散析出 收稿日期：2012–04–10 DOI:10.13374/j.issn1001-053x.2013.08.018