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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 188 - 193 (6page)
- DOI
- 10.4283/JMAG.2021.26.2.188
이용수
초록· 키워드
오류제보하기
The melt-spinning method combined with annealing technology was used to prepare Mn-based permanent alloys in the paper. The influences of Fe-doping on the microstructure and magnetic performances of the MnBi alloys were studied. According to the results of XRD pattern, the fraction of the LTP-MnBi in the as spun MnBi ribbons increases with the doping of Fe element, a significant increase of the LTP-MnBi is due to annealing treatment. The magnetization at the 20 kOe field of Mn<SUB>55</SUB>Bi<SUB>40</SUB>Fe<SUB>5</SUB> melt-spun ribbons increases to 45 emu/g after being annealing. With the addition of Fe, the coercivity H<SUB>cj</SUB> of the annealed ribbons increases first and then decreases. The results of δM plots show that the reduction of H<SUB>cj</SUB> for the Mn<SUB>55</SUB>Bi<SUB>40</SUB>Fe<SUB>5</SUB> melt-spun ribbons can be attributed to enhanced exchange coupling interaction between MnBi LTP particles. The grain refinement contributes directly to an enhanced exchange coupling for the addition of 5 at% Fe from TEM images. The dependence of coercivity on temperature for the annealed MnBi alloy melt-spun ribbons is discussed.
목차
1. Introduction
2. Experimental
3. Result and Discussion
4. Conclusions
References
참고문헌 (30)
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