Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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A Study on the Synthesis of Fine Zirconium Nitride Powder from Zirconium Chloride(IV)

염화지르코늄(IV)으로부터 질화지르코늄 미분체의 합성에 관한 연구

  • 김영우 (부산대학교 무기재료공학과) ;
  • 장윤식 (부산대학교 무기재료공학과) ;
  • 박홍채 (부산대학교 무기재료공학과) ;
  • 오기동 (부산대학교 무기재료공학과)
  • Published : 1988.02.01
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Abstract

ZrN powder was prepared from the powder mixture of ZrCl4 and Al by the halogenide process in nitrogen gas flow (100-150ml/min) at the temperatures from 200$^{\circ}$to 1050$^{\circ}C$. ZrN powder was formed about 600$^{\circ}C$ and in the slow nitriding reaction, however, an intermediate product of Al3Zr was formed. The fine powder (0.1-10$\mu\textrm{m}$) of single phase ZrN was obtained at 1050$^{\circ}C$ after 1 hour. The lattice parameter and crystallite size of ZrN were 4.5787A and 360A, respectively. According to SEM observation, the particles were apt to agglomerates. The apparent activation energy for the formation of ZrN was approximately 13.2kcal/mole(750$^{\circ}$-1000$^{\circ}C$).

Keywords

References

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