Ceramics-Silikáty 35, (3) 235 - 243 (1991) |
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VOLATILIZATION OF TYPE E BOROSILICATE GLASS
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Hlaváč Jan, Krejčí Jiří
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Department of Glass and Ceramics, Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czechoslovakia
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The loss in weight due to volatilization of the Eutal alkali-free glass was determined over the temperature range of 1150 - 1450 °C in a stream of dry and moist nitrogen (PH₂O = 20 kPa). The volatilization rate is strongly promoted by water vapour pressure. An analysis of the results indicates that the vapour pressure of HBO₂ at the melt surface is the decisive factor. |
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