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题名:
Influence of Cu2S precipitates dissolution on ferrite grain growth during heat treatment in the non-oriented electrical steel sheet
作者: Wu, Y; Li, FJ; Wang, T; Zhao, D; Huang, HF; Li, HG; Zheng, SB
刊名: METALS AND MATERIALS INTERNATIONAL
出版日期: 2017
卷号: 23, 期号:3, 页码:618-624
关键词: magnetic materials ; annealing ; grain growth ; transmission electron microscopy (TEM) ; Cu2S precipitate
DOI: 10.1007/s12540-017-6519-x
文章类型: 期刊论文
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000400577700025
ISSN号: 1598-9623
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27350
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
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,2017-01-01,23(3):618-624.
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