The Korean Journal of Ceramics

한국세라믹학회 (The Korean Ceramic Society)
권호 표지

Synthesis and Characterization of Submicrometer Monodispersed Ceramic Powders of Aluminium Titanate-Mullite Composite by Sol-Gel Process

  • Kim, Ik-Jin (Dept. of Mater, Science and Engineering, Hanseo University) ;
  • Kim, Do-Kyung (Dept. of Inorganic Mater, Science and Engineering, Myong Ji Univ) ;
  • Lee, Hyung-Bock (Dept. of Inorganic Mater, Science and Engineering, Myong Ji Univ) ;
  • Ko, Young-Shin (Institute of Carbon Chemistry, Seoul National Univ)
  • 발행 : 1995.03.01
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초록

Submicrometer, monosized ceramic powder of $Al_2TiO_5$$Al_2O_3$ ethanolic solutions. All particles produced by sol-gel-process were amprphous, monodispersed and with a narrow particle-size distribution. Compacts fired above $1300^{\circ}C$ formed aluminium titanate. Mullite formed first at $1480^{\circ}C$. After decomposition test at $1100^{\circ}C$, and cyclic thermal decomposition test at 750-1400-$750^{\circ}C$ for 100hrs., aluminium titanate was well stablized by composition with mullite.

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참고문헌

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