Glass, Volume 22 |
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Page 61
The time dependence of the conductivity with alternating cycles of ad - and
desorption on BK7 glass shows that the glass surface undergoes successive
alterations under the influence of water vapor . The initial conductivity is again
reached ...
The time dependence of the conductivity with alternating cycles of ad - and
desorption on BK7 glass shows that the glass surface undergoes successive
alterations under the influence of water vapor . The initial conductivity is again
reached ...
Page 138
5a shows the occurrence of a marked weight loss at the temperature range
corresponding to the above - mentioned DTA peak , confirming that most of the
water and organic substances are removed at temperatures lower than 250°C ...
5a shows the occurrence of a marked weight loss at the temperature range
corresponding to the above - mentioned DTA peak , confirming that most of the
water and organic substances are removed at temperatures lower than 250°C ...
Page 202
After etching with HF the surface of glass shows pits resulting from the cracks
etched away . Thus a more accurate model of the etching process is that there is
still no etching at the tip , but some etchant penetrates into the top of the crack ...
After etching with HF the surface of glass shows pits resulting from the cracks
etched away . Thus a more accurate model of the etching process is that there is
still no etching at the tip , but some etchant penetrates into the top of the crack ...
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Contents
Water in Glass | 75 |
Applications | 121 |
Gel Method for Making Glass | 129 |
Copyright | |
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acid addition adsorption alkali alkoxide analysis applied atoms band Bartholomew bond bulk calculated cause Ceram Chem chemical clusters coefficient components composition concentration constant contraction crack crystals curve decrease dependence depth determination developed discussed distribution Doremus effect energy equation et al example expansion experimental failure fatigue fibers formation formed fracture function geometry give given glass surfaces groups heating higher hydrated hydrolysis hydrosilicate important increase influence ions Kamiya layer lead length load lower material mean measured melting metal method mole observed obtained occurs oxide phase Phys possible prepared pressure processes produced propagation properties range ratio reaction region samples seal shown in Fig shows silicate glasses SiO2 soda-lime Solids solution strain strength stress structure studies Table technique temperature thermal tion values vapor viscosity water content