A New Anisotropic Bonded NdFeB Permanent Magnet and Its Application to a Small DC Motor

被引：37
|
作者：
Kim, Hyo Jun [1 ,2 ]
Koh, Chang Seop [2 ]
Shin, Pan Seok [3 ]
机构：
[1] JAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea
[2] Chungbuk Natl Univ, Sch Elect & Comp Engn, Chungbuk 261763, South Korea
[3] Hongik Univ, Dept Elect Engn, Chungnam 339701, South Korea
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2010年 / 46卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
Anisotropic bonded magnet; direct current motor; dynamic hydrogenation decomposition desorption recombination; (d-HDDR); permanent magnet; polar anisotropic; powder alignment;
D O I：
10.1109/TMAG.2010.2040598
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper reports the method of preparing 4-pole-oriented anisotropic bonded NdFeB magnet and presents an application to a small size dc motor. The influence on the magnet performance in terms of alignment magnetic field intensity, powder filling density, and the temperature of compression mold tools are investigated. The design and optimization of the magnet and motor were done with the aid of electromagnetic field analysis based on the finite element method. Experimental results with a designed dc motor adopting the developed anisotropic bonded NdFeB magnet show 50% reduction of weight and volume.
引用
收藏
页码：2314 / 2317
页数：4
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