Preparation of Shaped Glasses Through the Sol-Gel Method

  • Sumio Sakka
  • Kanichi Kamiya
Part of the Materials Science Research book series (MSR, volume 17)


In the sol-gel preparation of oxide glasses using metal alkoxides as raw materials, the content of water added for hydrolysis of the alkoxides must be controlled depending on the desired shape of the resulting glass. Larger water contents of the starting solution are preferred for the production of bulk glasses, while smaller water contents lead to the formation of fiber glasses. The cross-section of glass fibers made by the sol-gel method is circular or non-circular, depending on the composition of the starting solution. This effect is examined, and it is shown that the volume change of gelling fibers occurring during the solidification process is related to the shape of the cross-section of the resulting glass fibers.


Oxide Glass Metal Alkoxide Bulk Glass Fiber Drawing Small Volume Change 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Sumio Sakka
    • 1
  • Kanichi Kamiya
    • 1
  1. 1.Faculty of EngineeringMie UniversityKamihama-cho, Tsu, Mie, 514Japan

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