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杨平等:含铜取向硅钢磁性能波动成因分析 ·207· 变差;(3)含铜取向钢的晶粒尺寸波动范围,抑制剂 (夏兆所,康永林,倪献娟,等.板坯加热温度对低温技术取 分布均匀程度都比渗氮钢差,最终造成含铜取向钢 向电工钢抑制剂与磁性的影响.北京科技大学学报,2009,31 (4):439) 偏大的磁性能值分布. [2]Zhou Y J.Xia ZS,Wang QL,et al.Precipitating characteristics ■1#P2●2#P1?▲3#P7 of inhibitors in grain-oriented electrical steel produced by low slab 口1#B。02#B。43#B。 2.0 2.0 reheating temperature techniques during secondary recrystallization 合8日层●。金06g88含68 annealing.Heat Treat Met,2012,37(1):42 (周谊军,夏兆所,王全礼,等.取向硅钢低温板坯加热高温 二次再结品退火中抑制剂的析出特点.金属热处理,2012,37 .5 1.5 (1):42) [3]Liu GT.Yang P,Mao W M.Effect of final annealing atmosphere A on secondary recrystallization behavior in thin gauge medium tem- 合 perature grain oriented silicon steel.Acta Metall Sinica,2016,52 1.0 0 02 681012141618 (1):25 样品综号 (刘恭涛,杨平,毛卫民.高温退火气氛对薄规格中温取向硅 图93种不同组织的含铜CC0钢磁性能波动情况图 钢二次再结品行为的影响.金属学报,2016,52(1):25) Fig.9 Magnetic properties and fluctuation data of three types of final [4]Dang N,Zhang W K,Li ZC,et al.Influence of high temperature samples annealing process on Goss texture and magnetic property of CGO silicon steel.Heat Treat Met,2016,41(1):24 表2三种含铜取向钢单片样品内磁性能波动分析基本数据 (党宁,张文康,李志超,等.高温退火工艺对CG0硅钢Gss Table 2 Magnetic properties and fluctuation data of three types of final 织构及磁性能的影响.金属热处理,2016,41(1):24) samples [5]Dang N,Zhang WK,Li Z C,et al.Texture evolution of copper 品粒尺寸(品粒P?/ bearing CGO silicon steel during high temperature annealing.Heat 编号 Bs/T P1.,变异B变异 类型)/cm(Wkgl) 系数 系数 Treat Met,2016,41(2):88 1#2.06(等轴品) 1.07 1.91 0.079 0.013 (党宁,张文康,李志超,等.含铜CG0硅钢高温退火过程中 2# 3.3(等轴品) 1.111.890.103 0.017 的织构演变规律.金属热处理,2016,41(2):88) 3# 2.31(长条品) 1.11 1.90 0.086 0.012 [6]Dang N.Li Z C.Zhang W K,et al.Influence of secondary cold rolling reduction on Goss texture of a CGO silicon steel.Trans Ma- ter Heat Treat,2016,37(5):138 3结论 (党宁,李志超,张文康,等.二次冷轧压下率对CG0硅钢 G0s5织构形成规律的影响.材料热处理学报,2016,37(5): (1)根据成品板中不同的组织与磁性能关系归 138) 纳出各自的成因以及相互间的联系:分析认为,组织 [7]Liu G T,Li HJ,Yang P,et al.Deformation and recrystallization 的异常与抑制剂有明确的对应关系. texture features of medium temperature reheated grain oriented sili- (2)电子背散射衍射取向测定证实磁性高的样 con steel containing copper.Chin J Eng,2016,38(6):812 品中高斯品粒取向偏差一定小,但粗大等轴品粒高 (刘恭涛,李海蛟,杨平,等.中温含铜取向硅钢的形变和再 结品织构特征.工程科学学报,2016,38(6):812) 斯取向偏差并不是一定小:略微长条形晶粒和等轴 [8]Ling C.Xiang L.Qiu S T,et al.Behaviors of solution and pre- 品混合的二次品粒组织磁性能最好. eipitation of inhibitor bearing copper in grain-oriented silicon steel. (3)热轧过程更容易出现组织波动,热轧板表 Special Steel,2013,34(3):30 层与中心层晶粒尺寸差异、脱碳区的存在与否,表层 (凌晨,项利,仇圣桃,等.取向硅钢中含铜抑制剂的固溶析 区再结晶程度高低,它们影响了抑制剂的分布,从而 出行为.特殊钢,2013,34(3):30) [9]Dong A F.Zhang W K.Analysis on process and technology of 最终影响成品板组织和磁性能. grain oriented silicon steel and development trend.Special Steel, 参考文献 2013,34(5):20 (董爱锋,张文康.取向硅钢生产工艺技术分析和发展趋势 [1]Xia Z S,Kang Y L,Ni X J,et al.Influence of slab reheating 特殊钢,2013,34(5):20) temperature on inhibitors and magnetic properties of grain-oriented [10]Wang Y,Xu Y B,Zhang Y X,et al.On abnormal growth of electrical steel produced by low slab reheating temperature tech- 210(001)grain in grain-oriented silicon steel.Mater Res niques.J Unir Sci Technol Beijing,2009,31(4):439 Bull.2015,69:138杨 平等: 含铜取向硅钢磁性能波动成因分析 变差;(3)含铜取向钢的晶粒尺寸波动范围,抑制剂 分布均匀程度都比渗氮钢差,最终造成含铜取向钢 偏大的磁性能值分布. 图 9 3 种不同组织的含铜 CGO 钢磁性能波动情况图 Fig. 9 Magnetic properties and fluctuation data of three types of final samples 表 2 三种含铜取向钢单片样品内磁性能波动分析基本数据 Table 2 Magnetic properties and fluctuation data of three types of final samples 编号 晶粒尺寸(晶粒 类型) / cm P1郾 7 / (W·kg - 1 ) B8 / T P1郾 7变异 系数 B8变异 系数 1# 2郾 06(等轴晶) 1郾 07 1郾 91 0郾 079 0郾 013 2# 3郾 3(等轴晶) 1郾 11 1郾 89 0郾 103 0郾 017 3# 2郾 31(长条晶) 1郾 11 1郾 90 0郾 086 0郾 012 3 结论 (1)根据成品板中不同的组织与磁性能关系归 纳出各自的成因以及相互间的联系;分析认为,组织 的异常与抑制剂有明确的对应关系. (2)电子背散射衍射取向测定证实磁性高的样 品中高斯晶粒取向偏差一定小,但粗大等轴晶粒高 斯取向偏差并不是一定小;略微长条形晶粒和等轴 晶混合的二次晶粒组织磁性能最好. (3)热轧过程更容易出现组织波动,热轧板表 层与中心层晶粒尺寸差异、脱碳区的存在与否,表层 区再结晶程度高低,它们影响了抑制剂的分布,从而 最终影响成品板组织和磁性能. 参 考 文 献 [1] Xia Z S, Kang Y L, Ni X J, et al. Influence of slab reheating temperature on inhibitors and magnetic properties of grain鄄oriented electrical steel produced by low slab reheating temperature tech鄄 niques. J Univ Sci Technol Beijing, 2009, 31(4): 439 (夏兆所, 康永林, 倪献娟, 等. 板坯加热温度对低温技术取 向电工钢抑制剂与磁性的影响. 北京科技大学学报, 2009, 31 (4): 439) [2] Zhou Y J, Xia Z S, Wang Q L, et al. Precipitating characteristics of inhibitors in grain鄄oriented electrical steel produced by low slab reheating temperature techniques during secondary recrystallization annealing. Heat Treat Met, 2012, 37(1): 42 (周谊军, 夏兆所, 王全礼, 等. 取向硅钢低温板坯加热高温 二次再结晶退火中抑制剂的析出特点. 金属热处理, 2012, 37 (1): 42) [3] Liu G T, Yang P, Mao W M. Effect of final annealing atmosphere on secondary recrystallization behavior in thin gauge medium tem鄄 perature grain oriented silicon steel. Acta Metall Sinica, 2016, 52 (1): 25 (刘恭涛, 杨平, 毛卫民. 高温退火气氛对薄规格中温取向硅 钢二次再结晶行为的影响. 金属学报, 2016, 52(1): 25) [4] Dang N, Zhang W K, Li Z C, et al. Influence of high temperature annealing process on Goss texture and magnetic property of CGO silicon steel. Heat Treat Met, 2016, 41(1): 24 (党宁, 张文康, 李志超, 等. 高温退火工艺对 CGO 硅钢 Goss 织构及磁性能的影响. 金属热处理, 2016, 41(1): 24) [5] Dang N, Zhang W K, Li Z C, et al. Texture evolution of copper bearing CGO silicon steel during high temperature annealing. Heat Treat Met, 2016, 41(2): 88 (党宁, 张文康, 李志超, 等. 含铜 CGO 硅钢高温退火过程中 的织构演变规律. 金属热处理, 2016, 41(2): 88) [6] Dang N, Li Z C, Zhang W K, et al. Influence of secondary cold rolling reduction on Goss texture of a CGO silicon steel. Trans Ma鄄 ter Heat Treat, 2016, 37(5): 138 (党宁, 李志超, 张文康, 等. 二次冷轧压下率对 CGO 硅钢 Goss 织构形成规律的影响. 材料热处理学报, 2016, 37(5): 138) [7] Liu G T, Li H J, Yang P, et al. Deformation and recrystallization texture features of medium temperature reheated grain oriented sili鄄 con steel containing copper. Chin J Eng, 2016, 38(6): 812 (刘恭涛, 李海蛟, 杨平, 等. 中温含铜取向硅钢的形变和再 结晶织构特征. 工程科学学报, 2016, 38(6): 812) [8] Ling C, Xiang L, Qiu S T, et al. Behaviors of solution and pre鄄 cipitation of inhibitor bearing copper in grain鄄oriented silicon steel. Special Steel, 2013, 34(3): 30 (凌晨, 项利, 仇圣桃, 等. 取向硅钢中含铜抑制剂的固溶析 出行为. 特殊钢, 2013, 34(3): 30) [9] Dong A F, Zhang W K. Analysis on process and technology of grain oriented silicon steel and development trend. Special Steel, 2013, 34(5): 20 (董爱锋, 张文康. 取向硅钢生产工艺技术分析和发展趋势. 特殊钢, 2013, 34(5): 20) [10] Wang Y, Xu Y B, Zhang Y X, et al. On abnormal growth of {210 } 掖 001 业 grain in grain鄄oriented silicon steel. Mater Res Bull, 2015, 69: 138 ·207·
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