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常化工艺对高牌号无取向硅钢组织和织构的影响
引用本文:王锋,朱志勇,郭海荣,李化龙.常化工艺对高牌号无取向硅钢组织和织构的影响[J].轧钢,2017,34(6):28-32.
作者姓名:王锋  朱志勇  郭海荣  李化龙
作者单位:沙钢钢铁研究院,江苏张家港215624
摘    要:以Si质量分数为3.3%的高牌号无取向硅钢为研究对象,研究了常化处理对试验钢厚度方向组织和织构的影响。结果表明:高牌号无取向硅钢热轧板沿厚度方向组织及织构不均匀导致常化板沿厚度方向出现织构梯度;常化处理可以明显改善热轧板组织和织构,促进晶粒粗大均匀,降低α纤维织构强度,增强λ纤维织构强度,减弱γ纤维织构强度。950 ℃常化时,常化板沿厚度方向晶粒粗大均匀,λ纤维织构强度最大。

关 键 词:常化  硅钢  织构  EBSD  
收稿时间:2016-07-14

Effects of normalizing on microstructure and texture of high grade non oriented silicon steel
WANG Feng,ZHU Zhi yong,GUO Hai rong,LI Hua long.Effects of normalizing on microstructure and texture of high grade non oriented silicon steel[J].Steel Rolling,2017,34(6):28-32.
Authors:WANG Feng  ZHU Zhi yong  GUO Hai rong  LI Hua long
Affiliation:Institute of Research of Iron and Steel,Shasteel Jiangsu Province,Zhangjiagang 215625,China
Abstract:Effects of normalizing process on microstructure and texture along the sheet thickness direction of high grade non oriented silicon steel with Si content of 3.3% had been studied.The results showed that the texture gradient through thickness in normalized sheet was caused by the uneven microstructure and texture through thickness distribution in hot rolled sheet.The microstructure and texture of hot rolled sheet was significantly improved by normalization treatment,which promoted grain growth,increased structure homogeneity,reduced α and γ fiber strength and increased λ fiber strength.When normalized at 950 ℃,homogeneous microstructure through thickness was obtained,and the strength of λ fiber reached maximum.
Keywords:normalizing  silicon steel  texture  EBSD  
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