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Sintering of Ni-Zn Ferrites by Microwave Hybrid Heating

마이크로파 가열을 이용한 Ni-Zn 페라이트의 소결

  • 김진웅 (아주대학교 재료공학과) ;
  • 최승철 (아주대학교 재료공학과) ;
  • 이재춘 (명지대학교 무기재료공학과) ;
  • 오재희 (인하대학교 재료공학부)
  • Published : 2002.07.01

Abstract

Ni-Zn ferrite was sintered by microwave hybrid sintering method using microwave energy of 2.45 GHz, 700 W in the temperature range of 900$^{\circ}C$ ∼ 1070$^{\circ}C$. A high density (98%TD) Ni-Zn ferrite, added Bi$_2$O$_3$ and CuO, with a single phase was obtained by microwave sintering at 970$^{\circ}C$ for 15 min. All the sintered samples showed sintered density over 90% of TD. These results indicate that the processing time and energy consumption can be reduced significantly by microwave hybrid sintering method.

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