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What is the Cooling rate for SiO2 glass formation?

  1. Oct 21, 2011 #1
    What is the Cooling rate for SiO2 glass formation???

    Hi,

    I am trying to make a chunk of SiO2 Glass and was wondering what should be the Cooling Rate & what is the minimum temperature required for the glass transition?

    Does adding impurities like Calcium oxide or Lead oxide effect the cooling rate?

    Ps; I have an electric furnace with good insulation & was terrified by learning about very high cooling rates required... So I will be thankful to know the minimum required rate of cooling...

    Thanks in advance
     
  2. jcsd
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