Architecturing high magnetic properties of NdFeB/SmFeN hybrid magnets

被引：14

作者：

Tian, Jianjun ^{[1
]}

Tang, Zhaohong ^{[1
]}

Zuo, Zhijun ^{[1
]}

Pan, De'an ^{[1
]}

Zhang, Shengen ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Adv Mat & Technol Inst, Beijing 100083, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 105卷

基金：

国家高技术研究发展计划(863计划); 美国国家科学基金会;

关键词：

Magnetic materials; Rare earth; Bonded magnets; Anisotropy; Hybrid; BONDED-MAGNETS; PARTICLE-SIZE; DEPENDENCE;

D O I：

10.1016/j.matlet.2013.04.081

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The anisotropic hybrid magnets of NdFeB/SmFeN have been prepared through the warm compact process in magnetic field. The thin particles of SmFeN (3-5 mu m) enter into the gaps among big particles of NdFeB (80-100 mu m), which has remarkable influence on the magnetic properties of hybrid magnets: (a) increasing the density of the magnets; (b) decreasing the content of organic binder in unit volume magnets so as to enhance the effective magnetic properties of the magnets; and (c) improving the magnetic orientation for the high maximum energy product of the magnets. As a result, the anisotropic hybrid magnets with high properties (Br=9.614 KGs, H-cj=13.71 KOe, (BH)(max)= 20.19 MGOe and density=6.23 g/cm(3)) has been obtained. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：87 / 89

页数：3

共 15 条

[1] Particle size dependence of the magnetic properties for zinc-coated Sm-2(Fe0.9Co0.1)(17)N-2.9 powders [J].

Arlot, R ;

Izumi, H ;

Machida, K ;

Fruchart, D ;

Adachi, G .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1997, 172 (1-2) :119-127

[2] Magnetization reversal processes in bonded magnets made from a mixture of Nd-(Fe,Co)-B and strontium ferrite powders [J].

Dospial, M. ;

Plusa, D. .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2013, 330 :152-158

[3] Theoretic and Experimental Approach to the Adoption of Bonded Magnets in Fractional Machines for Automotive Applications [J].

Ferraris, Luca ;

Ferraris, Paolo ;

Poskovic, Emir ;

Tenconi, Alberto .

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2012, 59 (05) :2309-2318

[4] Prediction method of flux loss in anisotropic NdFeB/SmFeN hybrid magnets [J].

Fukunaga, Hirotoshi ;

Murata, Hiroki ;

Yanai, Takeshi ;

Nakano, Masaki ;

Yamashita, Fumitoshi .

JOURNAL OF APPLIED PHYSICS, 2010, 107 (09) :1584,369

[5] Magnetic properties of Nd-Fe-B system anisotropic HDDR powder made from segregated master ingots [J].

Kawashita, Y ;

Waki, N ;

Tayu, T ;

Sugiyama, T ;

Ono, H ;

Koyama, H ;

Kanno, H ;

Uchida, T .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2004, 269 (03) :293-301

[6] A New Anisotropic Bonded NdFeB Permanent Magnet and Its Application to a Small DC Motor [J].

Kim, Hyo Jun ;

Koh, Chang Seop ;

Shin, Pan Seok .

IEEE TRANSACTIONS ON MAGNETICS, 2010, 46 (06) :2314-2317

[7] DEPENDENCE OF COERCIVITY ON PARTICLE-SIZE IN SM2FE17N3 POWDERS [J].

KOBAYASHI, K ;

SKOMSKI, R ;

COEY, JMD .

JOURNAL OF ALLOYS AND COMPOUNDS, 1995, 222 :1-7

[8] Recent development in bonded NdFeB magnets [J].

Ma, BM ;

Herchenroeder, JW ;

Smith, B ;

Suda, M ;

Brown, DN ;

Chen, Z .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2002, 239 (1-3) :418-423

[9] Development of a Co-free NdFeB anisotropic bonded magnet produced from the d-HDDR processed powder [J].

Mishima, C ;

Hamada, N ;

Mitarai, H ;

Honkura, Y .

IEEE TRANSACTIONS ON MAGNETICS, 2001, 37 (04) :2467-2470

[10] Anisotropic bonded NdFeB magnets with radial oriented magnetization by 2-step warm compaction process [J].

Tao, Siwu ;

Tian, Jianjun ;

Lu, Xin ;

Qu, Xuanhui ;

Honkura, Y. ;

Mitarai, H. ;

Noguchi, K. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2009, 477 (1-2) :510-514

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