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
- 2022.6
- 수록면
- 124 - 128 (5page)
이용수
초록· 키워드
오류제보하기
NdFeB magnets have been positioned as the core materials in advanced technologies such as MRI (magnetic resonance imaging), FA (factory automation system), robot, motors, and so on based on the highest magnetic properties. To effectively improve the refined microstructure, the plastic deformation has been known as the good alternatives by the recrystallization. However, it has been regarded as being impossible because of the few slip systems in the RE-Fe-B magnets at room temperature. The purpose of this study was to investigate the possibility of control of grain refinement and magnetic anisotropy of NdFeB alloy powder by the severe plastic deformation. The NdFeB magnet powder was fabricated by gas atomization process, and the powder was pre-compacted at high temperature. The pre-compacted billets were deformed by HPT (high pressure torsion), and then the deformed billets were observed microstructure and magnetic properties. After the HPT process at room temperature, the grain size decreased with increasing because of the melted Nd-rich phase, and the anisotropy of Nd₂Fe<SUB>14</SUB>B phase was formed after the HPT process.
목차
Abstract
1. 서론
2. 실험방법
3. 실험결과 및 고찰
4. 결론
REFERENCES
참고문헌 (14)
참고문헌 신청
H. Y. Yasuda, M. Kumano, T. Nagase, R. Kato and H. Shimizu, 2011, Tensile deformation behavior of Nd-Fe-B alloy, Scripta Mater., Vol. 65, No, 8, pp. 743. https://doi.org/10.1016/j.scriptamat.2011.07.027
S. M. Kim, H. S. Lee and W. Y. Lee, 2018, Current status and prospect of rare earth magnet, Journal of the Kor., Magnetics Soc. Vol. 28, No. 6, pp. 248, https://doi.org/10.4283/JKMS.2018.28.6.248
J. Jin, T. Ma, Y. Zhang, G. Bai, and M. Yan, Chemically Inhomogeneous RE-Fe-B Permanent Magnets with High Figure of Merit: Solution to Global Rare Earth Criticality, Scientific Reports 6, pp. 32200
J. Jin, G. Bai, Z. Zhang, and M. Yan, 2018, Coercivity enhancement for Nd-La-Ce-Fe-B sintered magnets by tailoring La and Ce distributions, J. Alloys Compounds Vol. 763, No. 30, pp. 854~860. https://doi.org/10.1016/j.jallcom.2018.06.019
S. G. Yoon, Transfer, Super Strong Permanent Magnets, 1999, UUP, Ulsan.
S. M. Kim, H. S. Lee and W. Y. Lee, 2018, Current status and prospect of rare earth magnet, Journal of the Kor., Magnetics Soc. Vol. 28, No. 6, pp. 248, https://doi.org/10.4283/JKMS.2018.28.6.248
J. Jin, T. Ma, Y. Zhang, G. Bai, and M. Yan, Chemically Inhomogeneous RE-Fe-B Permanent Magnets with High Figure of Merit: Solution to Global Rare Earth Criticality, Scientific Reports 6, pp. 32200
J. Jin, G. Bai, Z. Zhang, and M. Yan, 2018, Coercivity enhancement for Nd-La-Ce-Fe-B sintered magnets by tailoring La and Ce distributions, J. Alloys Compounds Vol. 763, No. 30, pp. 854~860. https://doi.org/10.1016/j.jallcom.2018.06.019
S. G. Yoon, Transfer, Super Strong Permanent Magnets, 1999, UUP, Ulsan.
함께 읽어보면 좋을 논문
논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!
-
Reseach on control of grain refinement and anisotropy using severe plastic deformation of NdFeB alloy powder fabricated by gas atomization process
한국소성가공학회 학술대회 논문집
2022 .05
-
NdFeB계 희토류 자석의 탈자 열처리 시 질소유량의 영향
한국생산제조학회지
2021 .12
-
Study on Microstructure and Mechanical Properties of the Al–25Cr–5Si (at%) Alloy Powder Using Gas-Atomization and SPS Process
Metals and Materials International
2021 .01
-
[연구논문] 공융용매를 활용한 폐 NdFeB자석으로부터 희토류 침출 거동
한국자원공학회지
2023 .10
-
HPT 공정에 의한 Al 7075 의 기계적 특성 및 미세조직 변화
한국소성가공학회 학술대회 논문집
2021 .05
-
Grain Refinement and Thermal Stability of 2219 Aluminum Alloy in the Warm Deformation Process
Metals and Materials International
2021 .11
-
고압 가스 분무법을 이용한 Fe-Hf-B-Nb-P-C 연자성분말 제조 및 특성 평가
한국분말야금학회지
2016 .01
-
Residual Magnetic Flux Density Distribution Calculation Considering Effect of Aligning Field for Anisotropic Bonded NdFeB Magnets
Journal of Electrical Engineering & Technology
2016 .09
-
열처리 온도에 따른 NdFeB계 자석의 탈자 및 분별 연구
한국생산제조학회지
2021 .04
-
Strategic coating of NdFeB magnets with Dy to improve the coercivity of permanent magnets
Advances in materials research : AMR
2015 .01
-
Investigation on the Mechanism of Grain Refinement in Aluminum Alloy Solidified Under Ultrasonic Vibration
Metals and Materials International
2015 .01
-
NdFeB계 자석의 재사용을 위한 탈자 및 착자 연구
한국생산제조학회지
2021 .08
-
Improvement of Mechanical Properties and Fatigue Life of Ball Screw by Surface Severe Plastic Deformation Technology
한국소성가공학회 학술대회 논문집
2021 .11
-
금속 분말의 레이저 적층 시 표면 및 단면 특성에 관한 연구
대한용접·접합학회지
2016 .08
-
NdFeB 자석의 네오디뮴 선택적 추출을 위한 새로운 용매 추출 공정 개발
한국표면공학회 학술발표회 초록집
2024 .10
-
Effect of KOBO Extrusion and Following Cyclic Forging on Grain Refinement of Mg–9Li–2Al–0.5Sc Alloy
Metals and Materials International
2020 .01
-
Effects of Purity on Severe Plastic Deformation Behavior of Pure Aluminum
한국소성가공학회 학술대회 논문집
2023 .05
-
동축 마그네틱 기어의 자석 재질에 따른 최적효율 설계 및 비교
전기학회논문지
2020 .02
-
Tensile properties of three-dimensionally interconnected graphene-networked Cu composite and changes in its microstructure in relation to heat treatment temperature
공학기술논문지
2019 .01
-
가스 분무법을 이용한 Powder Bed Fusion(PBF) 공정용 AlSi10Mg 합금 분말 제조
한국분말야금학회지
2021 .01
이 논문의 저자 정보
최근 본 자료
댓글(0)
0
UCI(KEPA) : I410-ECN-0101-2022-551-001346447