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Synthesis of Mullite Whiskers by Vapor-Solid Reaction in the System of Al(OH)3-SiO2-AlF3

Al(OH)3-SiO2-AlF3계에서 기상-고상반응에 의한 뮬라이트 휘스커 합성

  • Lee, Hong-Lim (Department of Advanced Materials Engineering, Kyungnam University) ;
  • Kang, Jong-Bong (Department of Advanced Materials Engineering, Kyungnam University)
  • 이홍림 (경남대학교 신소재공학과) ;
  • 강종봉 (경남대학교 신소재공학과)
  • Published : 2006.06.01

Abstract

In the $Al(OH)_3-SiO_2-AlF_3$ system, leaf-shaped fluorotopaz was first formed at $800^{\circ}C$ and mullite whisker was formed at $1,100^{\circ}C$. The mass transportation of Al and Si as gas phase, the fast reaction and growth, and the absence of liquid phase existence in mullite whisker showed that the formation and growth of mullite was from the solid-vapor reaction.

Keywords

References

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