CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
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
Source PublicationMETALS AND MATERIALS INTERNATIONAL
ISSN1598-9623
Volume23Issue:3Pages:618-624
Subtype期刊论文
AbstractThe 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.
KeywordMagnetic Materials Annealing Grain Growth Transmission Electron Microscopy (Tem) Cu2s Precipitate
DOI10.1007/s12540-017-6519-x
Indexed BySCI
Language英语
WOS IDWOS:000400577700025
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27350
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
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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