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Application of high-temperature permanent magnets Sm(Co, Fe, Cu, Zr)Z in PPM focusing system彭龙,杨青慧,刘颖力,宋远强,张怀武摘 要:Rare earth permanent magnets Sm(Co, Fe...;1300 kA/m at 300 °C can be obtained. According to the performance data of Sm(Co0.72Fe0.15Cu0.1Zr0.03)7.5, the magnetic field along central axis BZ in periodic permanent magnet (PPM) focusing system......
J. Cent. South Univ. Technol. (2011) 18: 165-170 DOI: 10.1007/s11771-011-0675-9 Calculation of optimal current density of double side permanent magnet linear synchronous motor JANG Ki-Bong... of design method considering a coil temperature to maximize the thrust density of a double side coreless permanent magnet linear synchronous motor (PMLSM) was presented. The optimal current density where......
The Stability of Rare Earth-Iron-Nitrides Sm2(Fe,M)17Ny,Permanent Magnets杨俊,周寿增,张茂才,马德青,李佛标,王润摘 要:<正> The effects of the partial substitution of element M(M=Cr,V,Mn,x=0.05;Zr,Ga,x=0.017;Si,x=0.15;Co,x=0.10)for Fe in samarium-iron-nitride Sm2(Fe1-xMx)17Ny compounds on their stabilitiesand Curie temperatures have been studied.It is found that Co,Ga......
,the highest service temperature of commercial 2:17type SmCo magnets is only 300°C,and many efforts have been devoted to develop novel high temperature permanent magnets.This review focuses...,of high temperature permanent magnets is discussed as well.关键词:......
Anisotropic corrosion behavior of sintered(Ce0.15Nd0.85)30FebalB permanent magnetsXiaoning Shi,Minggang Zhu,Dong Zhou,Zheng Jing,Meiling Zhang,Wei LiDivision of Functional Material, Central Iron & Steel Research Institute摘 要:In this work, the corrosion behavior of the surface parallel to the oriented c-axis(c|) and perpendicular to c-axis(c......
Anisotropic corrosion behavior of sintered(Ce0.15Nd0.85)30FebalB permanent magnetsXiaoning Shi,Minggang Zhu,Dong Zhou,Zheng Jing,Meiling Zhang,Wei LiDivision of Functional Material, Central Iron & Steel Research Institute摘 要:In this work, the corrosion behavior of the surface parallel to the oriented c-axis(c|) and perpendicular to c-axis(c......
of Electronic Science and Technology of China,Chengdu 610054,China) Abstract:After analyzing the phenomena and processes of hydrogen embrittlement of NdFeB permanent magnets,RF magnetron sputtering was used... resistance coatings; hydrogen embrittlement; aluminium/alumina film; NdFeB permanent magnets; rare earths; [全文内容正在添加中] ......
Thermal Stability of Low Cost Nd-Fe-B Magnets连法增,任建军,艾禄,张效时,赵恒和摘 要:<正> 1.IntroductionSince the Nd-Fe-B magnets appearedin 1983,researchers,producers and users ofthe permanent magnetic materials have paidgreat attention to them.Because the mag-nets have low Curie temperature Tc andbad thermal stability as well as easeoxidation,their applications......
permanent magnetic materials in the following aspects in recent years was summarized: Sm–Co-RE permanent magnets with high application temperatures, positive temperature coefficients of coercive force...Development of samarium–cobalt rare earth permanent magnetic materialsJian-Hong YiFaculty of Materials Science and Engineering, Kunming University of Science and Technology摘 要: at 542℃, microstructure changes in some main phase will leading the decrease of properties.
关键词:permanent magnet; sintered NdFeB magnets; annealing;
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... properties analysis shows that this non-magnetic Nd-rich phase, produced in annealing process,can increase or decrease the magnetism of the sintered NdFeB-type permanent magnet. Appropriate amount......Effect of Annealing on the Magnetism of the Sintered NdFeB Magnet
来源: 《材料热处理学报2004年第5期》——HUANG Jian-guo ZHENG Hua-jun MA Chun-an