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방전 플라즈마 소결을 이용한 (Nd,Dy)-Fe-B 영구자석의 자성 특성 및 소결 거동 KCI 등재

Magnetic Properties and Sintering Behavior of (Nd,Dy)-Fe-B Permanent Magnet by Spark Plasma Sintering

송선용, 김진우, 김세훈, 김영도
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한국분말야금학회지 (Journal of Korean Powder Metallurgy Institute)
Vol. 19 No. 2 (2012.04)
pp.105-109
한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

Magnetic properties and the microstructures of magnets prepared by spark plasma sintering were investigated in order to enhance magnetic properties by grain size control. Nd-Fe-B magnets were fabricated by the spark plasma sintering under 30 MPa at various temperatures. The grain size was effectively controlled by the spark plasma sintering and it was possible to make Nd-Fe-B magnets with grain size of 5.9 .

키워드
(NdDy)-Fe-B magnetsSpark plasma sinteringGrain sizeCoercivity
저자
  • 송선용 | Song Sun-Yong
  • 김진우 | Kim Jin-Woo
  • 김세훈 | Kim Se-Hoon
  • 김영도 | Kim Young-Do
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