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- 연자성 나노결정합금 분말의 열처리 온도에 의한 전자파 흡수 특성의 영향
- 홍순호, 손근용, 박원욱, 문병기, 송용설
- Effect of Annealing Temperature on the Electromagnetic Wave Absorbing Properties of Nanocrystalline Soft-magnetic Alloy Powder
- S.H. Hong, K.Y. Sohn, W.W. Park, B.G. Moon, Y.S. Song
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Journal of Korean Powder Metallurgy Institute 2008;15(1):18-22
DOI: https://doi.org/10.4150/KPMI.2008.15.1.018
1인제대학교 나노시스템공학과
2인제대학교 나노시스템공학과
3인제대학교 나노시스템공학과
4한국기계연구원 부설 재료연구소
5(주)아모센스
1Department of Nano-systems Engineering, Inje University
2Department of Nano-systems Engineering, Inje University
3Department of Nano-systems Engineering, Inje University
4Light Metals Research Group, Korea Institute of Materials Science
5AMOSENSE
2인제대학교 나노시스템공학과
3인제대학교 나노시스템공학과
4한국기계연구원 부설 재료연구소
5(주)아모센스
1Department of Nano-systems Engineering, Inje University
2Department of Nano-systems Engineering, Inje University
3Department of Nano-systems Engineering, Inje University
4Light Metals Research Group, Korea Institute of Materials Science
5AMOSENSE
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Abstract
The electromagnetic (EM) wave absorption properties with a variation of crystallization annealing temperature have been investigated in a sheet-type absorber using the Fe_73Si_16B_7Nb_3Cu_1 alloy powder. With increasing the annealing temperature the complex permeability (µ_r), permittivity (varepsilon_r) and power absorption changed. The EM wave absorber shows the maximum permeability and permittivity after the annealing at 610°C for 1 hour, and its calculated power absorption is above 80% of input power in the frequency range over 1.5 GHz.
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