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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
- 2004.12
- 수록면
- 109 - 112 (4page)
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초록· 키워드
오류제보하기
The HDDR (Hydrogenation-Disproportionation-Desorption-Recombination) process is a special method to produce anisotropic NdFeB powders for bonded magnet. The effect of the modified HDDR process on magnetic properties of Nd₂Fe₁₄B-based magnet with several composition Nd_(11.2)Fe_(66.5-x)Co_(15.4)B_(6.8)Zr_(0.1)Ga_x (x = 0~1.0) and that of microelement Ga, disproportional temperature and annealing temperature on jHc, grain size were investigated in order to produce anisotropic powder with high magnetic properties. It was found that modified HDDR process is very effective to enhance magnetic properties and to fine grain size. The addition of Ga could change disproportionation character remarkably of the alloy and could improve magnetic properties of magnet powder. Increasing annealing temperature induces significant grain growth. And grain size produced by modified HDDR process is significantly smaller than those produced by conventional HDDR process.
목차
Abstract
1. Introduction
2. Experimental Procedures
3. Results and Discussion
4. Conclusions
References
참고문헌 (3)
참고문헌 신청
[학술지(정기간행물)] - T. Takeshita / 1990 / 11th International Workshop on Rare Earth Magnets and Their Appl. : 49 ~ 53
[학술지(정기간행물)] - T. Takeshita / 1989 / 10th Int. Workshop on RE Maanets and their Applications
[학술지(정기간행물)] - H. Nakamura / 1998 / Proc 15th Int Workshop on Rare-Earth Magnets and their Applications. Dresden 507
[학술지(정기간행물)] - T. Takeshita / 1989 / 10th Int. Workshop on RE Maanets and their Applications
[학술지(정기간행물)] - H. Nakamura / 1998 / Proc 15th Int Workshop on Rare-Earth Magnets and their Applications. Dresden 507
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