NIMTE OpenIR  > 2018专题
Direct observation of magnetization reversal of hot-deformed Nd-Fe-B magnet
Zhu, Xiaoyun; Tang, Xu; Pei, Ke; Tian, Yue; Liu, Jinjun; Xia, Weixing; Zhang, Jian; Liu, J. Ping; Chen, Renjie; Yan, Aru
2018
Source PublicationAIP ADVANCES
Volume8Issue:1
AbstractThe dynamic magnetic domain structure in magnetization and demagnetization process of hot-deformed and NdCu-diffused Nd2Fe14B magnets were in-situ observed by Lorentz transmission electron microscopy (LTEM). The demagnetization process of hot-deformed sample is dominated by domain-wall pinning, while that of NdCu-diffused sample is mainly the magnetization reversal of single grains or grain aggregations. This firstly observed result gives an explicit evidence to understand the coercivity mechanism of magnetically segregated magnet. The effect of magnetic field of TEM on decrease in domain wall energy was theoretically analyzed, which helps to understand the in-situ observation process of magnetic materials. (c) 2018 Author(s).
KeywordCoercivity Diffusion Alloy Microstructure
Subject AreaMaterials Science
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16923
Collection2018专题
Recommended Citation
GB/T 7714
Zhu, Xiaoyun,Tang, Xu,Pei, Ke,et al. Direct observation of magnetization reversal of hot-deformed Nd-Fe-B magnet[J]. AIP ADVANCES,2018,8(1).
APA Zhu, Xiaoyun.,Tang, Xu.,Pei, Ke.,Tian, Yue.,Liu, Jinjun.,...&Yan, Aru.(2018).Direct observation of magnetization reversal of hot-deformed Nd-Fe-B magnet.AIP ADVANCES,8(1).
MLA Zhu, Xiaoyun,et al."Direct observation of magnetization reversal of hot-deformed Nd-Fe-B magnet".AIP ADVANCES 8.1(2018).
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