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연자성 나노결정합금 분말의 열처리 온도에 의한 전자파 흡수 특성의 영향 KCI 등재

Effect of Annealing Temperature on the Electromagnetic Wave Absorbing Properties of Nanocrystalline Soft-magnetic Alloy Powder

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

The electromagnetic (EM) wave absorption properties with a variation of crystallization annealing temperature have been investigated in a sheet-type absorber using the alloy powder. With increasing the annealing temperature the complex permeability (), permittivity () and power absorption changed. The EM wave absorber shows the maximum permeability and permittivity after the annealing at for 1 hour, and its calculated power absorption is above 80% of input power in the frequency range over 1.5 GHz.

저자
  • 홍순호 | Hong S.H.
  • 손근용 | Sohn K.Y.
  • 박원욱 | Park W.W.
  • 문병기 | Moon B.G.
  • 송용설 | Song Y.S.