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Experimental research on the residual magnetization of a rare-earth permanent magnet for a cryogenic undulator
He Yong-Zhou(何永周)
2013
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume22Issue:7
AbstractThe magnetic properties of commercial polycrystalline Nd2Fe14B (N50M, N45H, N40SH, N35EH) and Sm2Co17 (XG30/20, XG26/25, XG22/20) magnets at cryogenic temperatures were tested by using a comprehensive physical properties measurement system (PPMS). The results show that the spin tilt temperature T-st of Nd2Fe14B magnets is closely related to intrinsic coercivity H-ci, N50M and N45H with smaller H-ci show a residual magnetization jump at 235 K and 225 K, respectively. For Sm2Co17 magnets, in 50-300 K, with temperature decreasing, residual magnetization M-rc shows a nearly linear increase, while in 10-50 K, M-rc has little change. The research results provide a reference for cryogenic undulators and other high-precision cryogenic devices.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000321898100025
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13744
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
He Yong-Zhou. Experimental research on the residual magnetization of a rare-earth permanent magnet for a cryogenic undulator[J]. CHINESE PHYSICS B,2013,22(7).
APA He Yong-Zhou.(2013).Experimental research on the residual magnetization of a rare-earth permanent magnet for a cryogenic undulator.CHINESE PHYSICS B,22(7).
MLA He Yong-Zhou."Experimental research on the residual magnetization of a rare-earth permanent magnet for a cryogenic undulator".CHINESE PHYSICS B 22.7(2013).
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