Magnetic field stability of PrFeB magnets developed by GBD for cryogenic permanent magnet undulators
He, YZ; Bao, XQ; Zhou, QG
2018
发表期刊JOURNAL OF RARE EARTHS
ISSN1002-0721
卷号36期号:4页码:385-389
文章类型期刊论文
摘要The magnetic field stability of the PrFeB magnets is one of the key points which affect its application in such devices as cryogenic permanent magnet undulators. In this study, the magnetic properties and microstructure of PrFeB magnets, which were developed by the grain boundary diffusion, were examined. The demagnetizing field distribution of the cryogenic permanent magnet undulator made using the PrFeB magnets was simulated by Radia, and the change mechanism of the irreversible demagnetization following treatments at high temperatures was experimentally studied. The results show that the intrinsic coercivity of the PrFeB magnets can be increased by diffusion of Tb. Meanwhile, the remanence of the magnets displays almost no loss, and the increasing range is closely related to the orientation thickness of the PrFeB magnet. Therefore, the PrFeB magnets developed using grain boundary diffusion are found to have extremely high comprehensive magnetic properties. The irreversible demagnetization of the PrFeB magnets developed by grain boundary diffusion for the CPMU is determined to be significantly improved following high-temperature treatments. (C) 2018 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.
DOI10.1016/j.jre.2017.09.011
收录类别SCI
语种英语
WOS记录号WOS:000429309700010
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29065
专题中科院上海应用物理研究所2011-2018年
作者单位1.He, YZ
2.Bao, XQ
3.Zhou, QG
推荐引用方式
GB/T 7714
He, YZ,Bao, XQ,Zhou, QG. Magnetic field stability of PrFeB magnets developed by GBD for cryogenic permanent magnet undulators[J]. JOURNAL OF RARE EARTHS,2018,36(4):385-389.
APA He, YZ,Bao, XQ,&Zhou, QG.(2018).Magnetic field stability of PrFeB magnets developed by GBD for cryogenic permanent magnet undulators.JOURNAL OF RARE EARTHS,36(4),385-389.
MLA He, YZ,et al."Magnetic field stability of PrFeB magnets developed by GBD for cryogenic permanent magnet undulators".JOURNAL OF RARE EARTHS 36.4(2018):385-389.
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