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Effect of Niobium on Precipitates and Texture Evolution of Fe-3% Si Grain-oriented Electrical Steel Annealed Hot Band

机译:铌对Fe-3%Si晶粒取向电工钢退火热带析出相和组织演变的影响

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摘要

Precipitation behavior of inhibitors, microstructure and texture evolution in annealed hot band of grain-oriented Fe-3%Si electrical steel with niobium addition were analyzed, and compared with that of common grain-oriented electrical steel. Stoichiometric ratio of C and N in Nb(C, N) was determined by their lattice parameters. Inhibitors precipitated in the hot rolled band with niobium addition are mainly Nb(C, N). Their average size was 34.1 nm and number density was 3.80×10~7/mm~2, with stronger inhibition effect than inhibitors in common grain oriented electrical steel. Stoichiometric ratio of C and N in Nb(C, N) changed from Nb(C_(0.85). N_(0.15)) to Nb(C_(0.71), N_(0.29)) which means NbC is dominant in Nb(C, N) of current study. After niobium addition, recrystallization of annealed hot band was incomplete while more Goss texture is preserved. Addition of niobium is proved helpful to obtain precipitates with higher inhibition effect during hot rolling, instead of adopting hot band annealing.
机译:分析了添加铌的取向Fe-3%Si电工钢在退火热带中缓蚀剂的析出行为,组织和织构演变,并与普通取向电工钢进行了比较。 Nb(C,N)中C和N的化学计量比由晶格参数确定。添加铌在热轧带中析出的抑制剂主要为Nb(C,N)。其平均尺寸为34.1nm,数密度为3.80×10〜7 / mm〜2,其抑制作用强于普通晶粒取向电工钢中的抑制剂。 Nb(C,N)中C和N的化学计量比从Nb(C_(0.85)。N_(0.15))变为Nb(C_(0.71),N_(0.29)),这意味着NbC在Nb(C, N)当前研究。加入铌后,退火的热轧带的重结晶不完全,同时保留了更多的高斯织构。事实证明,添加铌有助于在热轧过程中获得具有更高抑制效果的沉淀,而不是采用热轧带退火。

著录项

  • 来源
    《ISIJ international》 |2017年第12期|2245-2254|共10页
  • 作者单位

    The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, 430081 China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081 China;

    The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, 430081 China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081 China;

    The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, 430081 China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081 China,Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing, 100083 China;

    The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, 430081 China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081 China;

    The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, 430081 China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    grain-oriented electrical steel; niobium; precipitates; texture;

    机译:取向电工钢;铌;沉淀质地;
  • 入库时间 2022-08-17 23:58:01

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