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고에너지 볼밀링으로 제조된 나노구조 Fe-20 wt.%Si 합금 분말의 자성 특성에 미치는 결정립 크기의 영향 KCI 등재

Effect of Grain Size on Nanostructured Fe-20 wt.%Si Alloy Powders Produced by High-energy ball milling

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한국분말야금학회지 (Journal of Korean Powder Metallurgy Institute)
한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

The structural and magnetic properties of nanostructued alloy powders were investigated. Commercial alloy powders (Hoeganaes Co., USA) with purities were used to fabricate the nanostructure Fe-Si alloy powders through a high-energy ball milling process. The alloy powders were fabricated at 400 rpm for 50 h, resulting in an average grain size of 16 nm. The nanostructured powder was characterized by fcc and hcp phases and exhibited a minimum coercivity of approximately 50 Oe

저자
  • 김세훈 | Kim Se-Hoon
  • 이영중 | Lee Young Jung
  • 이백희 | Lee Baek-Hee
  • 이규환 | Lee Kyu Hwan
  • 김영도 | Kim Young Do