- Volume 22 Issue 2
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Trend in Research and Development Related to Motors and Permanent Magnets for Solving Rare-earth Resources Problem
희토류 자원문제 해결을 위한 모터 및 영구자석 연구개발 동향
- Lee, J.G. (Powder/Ceramics Division, Korea Institute of Materials Science) ;
- Yu, J.H. (Powder/Ceramics Division, Korea Institute of Materials Science) ;
- Kim, H.J. (Eco-Materials and Processing Department, Korea Institute of Industrial Technology) ;
- Jang, T.S. (Department of Hybrid Engineering, Sunmoon University)
- 이정구 (한국기계연구원 부설 재료연구소 분말/세라믹연구본부) ;
- 유지훈 (한국기계연구원 부설 재료연구소 분말/세라믹연구본부) ;
- 김휘준 (한국생산기술연구원 주조공정연구그룹) ;
- 장태석 (선문대학교 하이브리드 공학과)
- Received : 2012.03.05
- Accepted : 2012.04.17
- Published : 2012.04.30
Since Nd-Fe-B magnet was first synthesized in 1983, many new applications have emerged in the past two decades. With regard to motor market, it will expand because of strong energy saving requirements from the automobile and electric application markets. Especially, permanent magnet motors for hybrid and electric vehicles are drawing great attention and the usage of Nd-Fe-B magnets will increase all the more hereafter. There is, however, a serious problem as motors in such eco-friendly cars are said to operate in high temperatures of about
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