杨礼林,韩强,谢东西,张年迪,李涛

• 1:内蒙古科技大学材料与冶金学院

摘要(Abstract)：

利用光学显微镜(OM)和扫描电镜(SEM)研究了不同稀土Ce含量的50W470无取向硅钢的铸坯、热轧板和冷轧退火板的宏观和微观组织，并采用磁性能测试仪测定其磁性能。结果表明：当稀土Ce的加入量从0增加到66×10~(-6)(质量分数)时，铸坯的柱状晶平均宽度从3.82 mm减小到3.24 mm,等轴晶率从43.1%增加到51.3%;热轧板的平均晶粒尺寸逐渐增加，从26.2μm增加到33.3μm,再结晶百分数从24%增加到37%;退火板的平均晶粒尺寸从36.2μm增加到39.3μm;磁性能测试表明，微观组织的变化有利于50W470无取向硅钢铁损降低和磁感提高。

关键词(KeyWords)： 无取向硅钢;显微组织;稀土Ce;磁性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51761033);; 内蒙古自然科学基金(2021LHMS5028);; 内蒙古科技大学创新基金(2019QDL-B05);; 包钢股份技开合字(2019)第01号

作者(Author): 杨礼林,韩强,谢东西,张年迪,李涛

DOI: 10.13289/j.issn.1009-6264.2021-0422

参考文献(References)：

• [1] 夏兆所，康永林.低铁损高磁感冷轧无取向电工钢的研制[J].钢铁研究学报，2008(10):44-48.XIA Zhao-suo,KANG Yong-lin.Development of high magnetic induction low iron loss cold rolled non-oriented electrical steel[J].Journal of Iron and Steel Research,2008(10):44-48.
• [2] 陆佳栋，吴圣杰，李慧，等.卷取温度对0.5%Si无取向硅钢组织和磁性能的影响[J].电工钢，2021,3(2):16-20.LU Jia-dong,WU Sheng-jie,LI Hui,et al.Effect of coiling temperature on microstructure and magnetic properties of 0.5% Si non-oriented silicon steel[J].Electrical Steel,2021,3(2):16-20.
• [3] 张欣，金自力，任慧平，等.稀土Ce对含Cu低温取向硅钢铸态析出物的影响[J].金属热处理，2020,45(10):135-139.ZHANG Xin,JIN Zi-li,REN Hui-ping,et al.Effect of rare earth Ce on as-cast precipitates of Cu-containing low-temperature grain-oriented silicon steel[J].Heat Treatment of Metals,2020,45(10):135-139.
• [4] 陆佳栋，吴圣杰，岳重祥，等.二次退火温度对无取向硅钢组织和磁性能的影响[J].金属热处理，2021,46(3):67-71.LU Jia-dong,WU Sheng-jie,YUE Chong-xiang,et al.Effect of secondary annealing temperature on microstructure and magnetic properties of non-oriented silicon steel[J].Heat Treatment of Metals,2021,46(3):67-71.
• [5] 刘云霞，李跃，程林，等.无取向硅钢在全工艺流程中的组织和织构变化[J].理化检验：物理分册，2021,57(4):29-33.LIU Yun-xia,LI Yue,CHENG Lin,et al.Microstructure and texture changes of non-oriented silicon steel in the whole process[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2021,57(4):29-33.
• [6] 常正昇，张乔英，杨克枝，等.板坯连铸工艺参数对取向硅钢铸坯中心等轴晶率的影响[J].中国冶金，2020,30(1):61-65.CHANG Zheng-sheng,ZHANG Qiao-ying,YANG Ke-zhi,et al.Effects of continuous casting process parameters on central equiaxed crystal ratio of oriented silicon steel slab[J].China Metallurgy,2020,30(1):61-65.
• [7] 万勇，吴绍杰，陈伟庆，等.卷曲温度对无取向硅钢组织结构及其变化的影响[J].过程工程学报，2014,14(6):1047-1052.WAN Yong,WU Shao-jie,CHEN Wei-qing,et al.Effect of coiling temperature on the microstructure and texture evolution of non-oriented silicon steel[J].The Chinese Journal of Process Engineering,2014,14(6):1047-1052.
• [8] Liu H T,Li H L,Wang H,et al.Effects of initial microstructure and texture on microstructure,texture evolution and magnetic properties of non-oriented electrical steel[J].Journal of Magnetism and Magnetic Materials,2016,406(1):149-158.
• [9] Ye T,Lu Z H,Ma C H.Evolution of microstructure and texture with the low-silicon in non-oriented silicon steel[J].IOP Conference Series Earth and Environmental Science,2018,170(4):651-658.
• [10] 光红兵，林媛，张文康.高牌号无取向硅钢热变形条件下动态再结晶组织特征[J].特殊钢，2019,40(2):57-62.GUANG Hong-bing,LIN Yuan,ZHANG Wen-kang.Dynamic crystal structure characteristics of high grade non-oriented silicon steel under hot deformation condition[J].Special Steel,2019,40(2):57-62.
• [11] Shi C J,Jin Z L,Ren H P,et al.Effect of lanthanum on recrystallization behavior of non-oriented silicon steel[J].Journal of Rare Earths,2017,35(3):309-314.
• [12] 李娜，陆勤阳，王永强，等.Ce对2.9%Si-0.8%Al无取向硅钢夹杂物变质的影响[J].钢铁研究学报，2017,29(7):570-576.LI Na,LU Qin-yang,WANG Yang-qiang,et al.Effect of Ce on inclusions modification in 2.9%Si-0.8%Al non-oriented electrical steel[J].Journal of Iron and Steel Research,2017,29(7):570-576.
• [13] 菅瑞雄，张文康，杜振民，等.热轧板常化温度对冷轧无取向电工钢退火组织和磁性能的影响[J].特殊钢，2006,27(4):31-33.JIAN Rui-xiong,ZHANG Wen-kang,DU Zhen-min,et al.Effect of normalizing temperature on structure and magnetic properties of annealed non-oriented electric steel[J].Special Steel,2006,27(4):31-33.
• [14] 王昭东，郭艳辉，孙大庆，等.IF钢铁素体区热轧和退火过程中织构的演变[J].材料研究学报，2006,20(4):399-402.WANG Zhao-dong,GUO Yan-hui,SUN Da-qing,et al.Texture evolution of a IF steel during ferritic rolling and direct annealing[J].Chinese Journal of Materials Research,2006,20(4):399-402.
• [15] 杨换平，沙玉辉，张芳，等.大压下率冷轧无取向硅钢再结晶织构演变[J].东北大学学报(自然科学版),2013,34(5):658-662.YANG Huan-ping,SHA Yu-hui,ZHANG Fang,et al.Recrystallization texture development in heavily rolled non-oriented silicon steel[J].Journal of Northeastern University (Natural Science),2013,34(5):658-662.
• [16] Jiao H T,Qiu W Z,Xiong W,et al.Effect of recrystallization annealing temperature on microstructure,texture and magnetic properties of non-oriented silicon steel produced by strip casting[J].Procedia Engineering,2017,207:2078-2082.
• [17] He Y L,Mehdi M,Erik H,et al.Shear banding in rotated Goss grains and its effect on the formation of cube texture in non-oriented electrical steel[J].Materials Science Forum,2021,1016:528-533.

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