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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.9
- 수록면
- 381 - 385 (5page)
- DOI
- 10.4283/JMAG.2018.23.3.381
이용수
초록· 키워드
오류제보하기
In this paper, magnetic field heat treatment was carried out for the SmCo<SUB>5</SUB>/α-Fe amorphous powders prepared by high-energy ball milling. The effects of annealing temperature and magnetic field on the crystallization, microstructure, and magnetic properties of the SmCo<SUB>5</SUB>/α-Fe nanocomposite permanent magnets were studied. The results show that the magnetic field can benefit the crystallization of SmCo<SUB>5</SUB> phase and the degree of crystallinity of SmCo<SUB>5</SUB>/α-Fe alloy. Thus, the remanence and coercivity of the SmCo<SUB>5</SUB>/α-Fe magnets annealed with magnetic field are significant higher than those of the samples annealed without magnetic field. With the increase of annealing temperature in magnetic field heat treatment, the Sm(Co, Fe)5 phase and FeCo phase are gradually crystallized and grew up, while a small amount of Sm₂Co<SUB>17</SUB> phase appears. The best magnetic properties are M<SUB>r</SUB> = 73.29 emu/g, M<SUB>r</SUB>/M<SUB>s</SUB> = 0.59, and H<SUB>ci</SUB> = 6.20 kOe, when the annealing temperature is 700 ℃.
목차
Introduction
2. Experiment
3. Results and Discussions
4. Summary
References
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