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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2002.12
- 수록면
- 138 - 142 (5page)
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초록· 키워드
오류제보하기
Magnetic properties, microstructure and texture of NdFeB magnets fabricated by a modified hot working process from commercial melt-spun powders (Magnequench; MQPA, MQPB and MQPB+) have been investigated. The hot-pressed isotropic magnet made from MQPA powder, which contains higher Nd content than that of MQPB or MQPB+, shows higher coercivity. The magnet also shows homogenous and fine grains with higher coercivity for higher consolidation pressure. The hot-deformed MQPA magnet shows a strong anisotropy along the press direction with homogeneous platelet Nd₂Fe₁₄B grains of 50~100 ㎚ in thickness and 200~500 ㎚ in length. The hot-deformed MQPB+ magnet, however, shows low remanence and low coercivity. The microstructure of the magnet consists of two areas; undeformed Nd₂Fe₁₄B grains and well-aligned but large grains with 3~4 ㎛ in length. Low Nd content attributes to the formation of the two different area.
목차
Abstract
1. Introduction
2. Experimental Method
3. Results and Discussion
Acknowledgement
References
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