지원사업
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
- 2024.6
- 수록면
- 226 - 236 (11page)
- DOI
- 10.4283/JMAG.2024.29.2.226
이용수
초록· 키워드
오류제보하기
In this experiment, quenched Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx and (Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> alloys (x=0, 1 , 2, 3, 4, 5) were respectively prepared, and the effects of 0.2 at% Tb doping on the microstructure and magnetic properties of Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Al<SUB>x</SUB> alloys were studied. The results show that the phase structure of Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx and (Fe73Ga27-xAlx)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> alloys are mainly composed of A2 phase, but (Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> alloys also contain a small quantity of Tb2Fe17 phase. After Tb doping, the lattice constant of alloys is descended, altering the microstructure of alloys, and the orientation of (Fe<SUB>73</SUB>Ga<SUB>27</SUB>)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> and (Fe73Ga25Al2)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> a lloys a long the crystal direction [100] is increased saliently. The Al element in (Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> alloy exists in the form of deposited phase, and Tb₂Fe<SUB>17</SUB> phase is formed at grain boundaries after Tb doping, thus improving the magnetostrictive property of alloys. The λ∥ and Vickers hardness of Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx alloys are in the range of 52-64×10<SUP>-6</SUP> and 316.13-328.68 HV, separately. After Tb element doping, the λ∥ and Vickers hardness of the alloy reach the maximum 88×10<SUP>-6</SUP> and 408.49 HV at x=2 at%, which is individually increased by 69.23 % and 29.21 % compared with Fe73Ga25Al2 alloy. And its Hc keeps low, which can reduce magnetization powers and losses. Therefore, (Fe<SUB>73</SUB>Ga<SUB>27-x</SUB>Alx)<SUB>99.8</SUB>Tb<SUB>0.2</SUB> alloy gives consideration to the excellent magnetic properties and high Vickers hardness, having the most practical production value in the two series of alloys.
목차
1. Introduction
2. Experiment
3. Result and Analysis
4. Conclusion
References
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