Volume 16 Issue 03
Mar.  2004
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chen su-fen, li bo, zhang zhan-wen. Fabrication of SiO2 aerogel microsphere[J]. High Power Laser and Particle Beams, 2004, 16.
Citation: chen su-fen, li bo, zhang zhan-wen. Fabrication of SiO2 aerogel microsphere[J]. High Power Laser and Particle Beams, 2004, 16.

Fabrication of SiO2 aerogel microsphere

  • Publish Date: 2004-03-15
  • This paper presents the fabrication of lowdensity silicon dioxide aerogel microspheres and the sol-gel transition process. The work covers the effects of suspension spheres, the density-match and aging time on the properties of resultant aerogel spheres, focusing on the shrinkage effects. Four different density microspheres are studied with expected density of 70mg/cm3, 100mg/cm3, 150mg/cm3 and 200mg/cm3 respectively. The results show that we can obtain microspheres with diameter from 0.1mm up to 2mm, and density in the range of 50~500mg/cm3,and the parameter of out of round is 1.8%.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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