Journal of Inorganic Materials

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Preparation of New Polycrystalline Yttrium Aluminium Garnet Fibersby the Sol-Gel Method

LU Qing-Mei; DONG Wen-Sheng; WANG Hao-Jing; WANG Xin-Kui   

  1. Institute of Coal Chemistry; Chinese Academy of Sciences. Taivuan 030001; China
  • Received:2001-04-12 Revised:2001-06-04 Published:2002-05-20 Online:2002-05-20

Abstract: sol-gel process was used to synthesize YAG precursor sols by using Y(NO3)3·6H2O, Al pellets, water and acetic acid as raw materials. After a series of hydrolysis-condensation reaction, stable and transparent precursor sols were produced. An amount of water-soluble polymers of PEO were then added to the sols and polycrystalline yttrium aluminum garnet fibers were prepared after condensation, dry spinning and heat-treatment at 900℃.

Key words: sol-gel method, polycrystalline YAG fibers

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