退火工艺参数对冷轧无取向电工钢薄板显微组织和磁性能的影响
Effect of Annealing Process Parameter on Microstructure and Magnetic Properties of Cold Rolled Non-Oriented Electrical Steel Sheet
摘 要
采用光学显微镜、扫描电镜、透射电镜、爱泼斯坦方圈等仪器系统研究了退火温度、退火时间及升温速率对冷轧无取向电工钢薄板组织及性能的影响。结果表明: 可通过控制退火工艺参数使薄板发生回复和再结晶, 获得一定临界尺寸的均匀粗晶从而提高电工钢的磁性能; 在相同的试验条件下, 升高退火温度和延长退火时间可提高电工钢的磁性能; 退火温度对磁性能的影响大于退火时间的影响, 并且随着升温速率的提高, 电工钢的磁性能更加优异。
退火工艺
磁性能
non-oriented electrical steel
annealing process
magnetic property
Abstract
The effects of annealing temperature, annealing time and heating rate on microstructure and magnetic properties of cold rolled non-orientation electrical steel sheet were studied by optical microscopy, scanning electron microscopy, transmission electron microscopy and Epstein frame. The results show that the uniform coarse grains in critical sizes could be obtained after recovery and recrystallization by controlling the annealing parameters, and thus improve the magnetic properties of the electrical steel sheet. Under the same test condition, increasing annealing temperature and prolonging annealing time could increase the magnetic properties of the electrical steel. The effect of annealing temperature on magnetic properties was more significantly than that of annealing time, and with the increase of heating rate, the magnetic properties of the electrical steel was more excellent.
中图分类号 TG156.2 TG142.77
所属栏目 试验研究
基金项目 宁波市机电模具应用型人才培养基地建设项目(Jd080417)
收稿日期 2011/7/14
修改稿日期 2012/3/20
网络出版日期
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备注董彦(1971－), 男, 安徽马鞍山人, 副教授, 硕士。
引用该论文: DONG Yan,GONG Zhi-xiang,XIAO Guo-hua. Effect of Annealing Process Parameter on Microstructure and Magnetic Properties of Cold Rolled Non-Oriented Electrical Steel Sheet[J]. Materials for mechancial engineering, 2012, 36(8): 22～25
董彦,龚志翔,肖国华. 退火工艺参数对冷轧无取向电工钢薄板显微组织和磁性能的影响[J]. 机械工程材料, 2012, 36(8): 22～25
被引情况:
【1】刘 焕,顾剑锋, "退火工艺对DT4E纯铁磁性能和抗拉强度的影响",机械工程材料 40, 99-102(2016)
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参考文献
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【3】徐向棋, 李耀辉, 罗来辉.退火工艺对冷轧无取向硅钢组织与织构的影响[J].机械工程材料, 2007, 31(8):22-25.
【4】HUANG B Y, YAMAMOTO K, KAIDO C, YAMASHIRO Y. Effect of cold-rolling on magnetic properties of non-oriented silicon steel sheets[J].Journal of Magnetism and Magnetic Materials, 2002, 209(1/3):197-200.
【5】张文康, 毛卫民, 白志浩.退火温度对冷轧无取向硅钢组织结构和磁性能的影响[J].特殊钢, 2006, 27(1):15-17.
【6】何忠治. 电工钢[M].北京: 冶金工业出版社, 1996.
【7】田民波.磁性材料[M].北京: 清华大学出版社, 2001.
【8】何炬坤, 刘庆锁, 陆翠敏, 等.含硅钢短时等温下贝氏体的亚结构形状及生长特征[J].机械工程材料, 2009, 33(12):33-35.
【9】IWANAGA J, MASUI H, HARASE J, et al. Effect of initial texture on secondary recrystallization of grain-oriented electrical steel[J].Journal of Materials Engineering and Performance, 1994, 3:223-227.
【10】PARDAL J M, TAVARES S S M, CINDRA M P, et al. Influence of temperature and aging time on hardness and magnetic properties of the maraging steel grade 300 [C]//The 4th Brazilian MRS Meeting. Brazil: Journal of Materials Science, 2007, 42(7):2276-2281.
【11】DUAN X, HUNEUS H, KOCHMANN T, et al. Effect of annealing temperature and heating rate on the magnetic and mechanical properties of electrical steel [J].Journal of Magnetism and Magnetic Materials, 1996, 160:133-135.
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