Influence of Cu2S precipitates dissolution on ferrite grain growth during heat treatment in the non-oriented electrical steel sheet
Wu, Y; Li, FJ; Wang, T; Zhao, D; Huang, HF; Li, HG; Zheng, SB
2017
发表期刊METALS AND MATERIALS INTERNATIONAL
ISSN1598-9623
卷号23期号:3页码:618-624
文章类型期刊论文
摘要The factor to deduce grain growth of non-oriented electrical steel sheet during heat treatment was researched in this paper. Scanning electron microscope equipped with electron backscatter diffraction (EBSD), X-ray diffraction and transmission electron microscope were used to characterize the microstructure, dislocation density and precipitate, respectively. The EBSD results indicated that the grain size increased from 18.7 mu m to 56 mu m after heat treatment. Meanwhile, the characterization of grain size distribution, dislocation density and precipitates revealed that the dissolution of Cu2S precipitates, which act as inhibitor, may lead to the grain growth. In addition, the pinning force of grain boundary and the driving force of grain growth were calculated. Based on experiments results and theoretical calculations, the Cu2S precipitates with diameter of less than 39 nm and volume fraction of 1.74 x 10(-4) would be sufficient to inhibit the ferrite grain growth. Heat treatment provides an efficient way to prompt the grain growth.
关键词Magnetic Materials Annealing Grain Growth Transmission Electron Microscopy (Tem) Cu2s Precipitate
DOI10.1007/s12540-017-6519-x
收录类别SCI
语种英语
WOS记录号WOS:000400577700025
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27350
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Wu, Y,Li, FJ,Wang, T,et al. Influence of Cu2S precipitates dissolution on ferrite grain growth during heat treatment in the non-oriented electrical steel sheet[J]. METALS AND MATERIALS INTERNATIONAL,2017,23(3):618-624.
APA Wu, Y.,Li, FJ.,Wang, T.,Zhao, D.,Huang, HF.,...&Zheng, SB.(2017).Influence of Cu2S precipitates dissolution on ferrite grain growth during heat treatment in the non-oriented electrical steel sheet.METALS AND MATERIALS INTERNATIONAL,23(3),618-624.
MLA Wu, Y,et al."Influence of Cu2S precipitates dissolution on ferrite grain growth during heat treatment in the non-oriented electrical steel sheet".METALS AND MATERIALS INTERNATIONAL 23.3(2017):618-624.
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