Journal of the Microelectronics and Packaging Society (마이크로전자및패키징학회지)

The Korean Microelectronics and Packaging Society (한국마이크로전자및패키징학회)
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Soft Magnetic Property of Ternary Fe-9.8Si-6.0Al Alloy Using by Recycling Fe-Si Electrical Steel Sheet Scrap

Fe-Si 전기강판 폐스크랩을 이용한 3원계 Fe-9.8Si-6.0Al 합금의 연자성 특성

  • Hong, Won Sik (Electronic Convergence Materials & Device Research Center, Korea Electronics Technology Institute (KETI)) ;
  • Yang, Hyoung Woo (Electronic Convergence Materials & Device Research Center, Korea Electronics Technology Institute (KETI)) ;
  • Park, Ji-Yeon (Electronic Convergence Materials & Device Research Center, Korea Electronics Technology Institute (KETI)) ;
  • Oh, Chulmin (Electronic Convergence Materials & Device Research Center, Korea Electronics Technology Institute (KETI)) ;
  • Lee, Woo Sung (Electronic Convergence Materials & Device Research Center, Korea Electronics Technology Institute (KETI)) ;
  • Kim, Seung Gyeom (Sewon Advanced Metals co. Ltd) ;
  • Han, Sang Jo (Sewon Advanced Metals co. Ltd) ;
  • Shim, Geum Taek (Sewon Advanced Metals co. Ltd) ;
  • Kim, Hwi-Jun (Korea Institute of Industrial Technology (KITECH), Liquid processing & Casting R&D Group)
  • 홍원식 (전자부품연구원 융복합전자소재연구센터) ;
  • 양형우 (전자부품연구원 융복합전자소재연구센터) ;
  • 박지연 (전자부품연구원 융복합전자소재연구센터) ;
  • 오철민 (전자부품연구원 융복합전자소재연구센터) ;
  • 이우성 (전자부품연구원 융복합전자소재연구센터) ;
  • 김승겸 (세원특수금속(주)) ;
  • 한상조 (세원특수금속(주)) ;
  • 심금택 (세원특수금속(주)) ;
  • 김휘준 (한국생산기술연구원 뿌리산업기술연구소 주조공정그룹)
  • Received : 2017.03.16
  • Accepted : 2017.03.24
  • Published : 2017.03.31
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Abstract

Fe-9.8Si-6.0Al mother alloy was manufactured using by Fe-3.5Si recycled scrap and Si powder. And then, soft magnetic alloy powder of $D_{50}$ size and sphere type were prepared by gas atomization process. To obtain the soft magnetic powder of a high aspect ratio, in the first, we conducted the ball milling process for 8 hours. And heat treatment was performed under $650^{\circ}C$, 2 hours and $N_2$ atmosphere condition for reducing the residual stress of the powder. Based on these process, we made around $50{\mu}m$ diameter Fe-9.8Si-6.0Al powder, which morphology and shape was a similar to the commercial Fe-Si-Al powder. Finally, the soft magnetic sheets were prepared by tape casting process using by those powders. The permeability of the tape casting sheet was measured, and we confirmed the possibility of reusing to the soft magnetic materials of Fe-Si electric sheet scrap.

Keywords

References

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