Glass, Volume 17 |
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Page 27
Effect of lithia content on D . * for lithium silicate glasses . of ¢ lo i ž Lizo
Concentration ( mole % ) In many silicate systems , this phase will be very close
to pure vitreous silica , while the second phase will be rich in modifier ions . If the
high ...
Effect of lithia content on D . * for lithium silicate glasses . of ¢ lo i ž Lizo
Concentration ( mole % ) In many silicate systems , this phase will be very close
to pure vitreous silica , while the second phase will be rich in modifier ions . If the
high ...
Page 30
Shelby and Mattern ( 1975 ) have speculated that hydroxyl formation in this type
of silica occurs at special sites , denoted precursors , and that the reaction rate at
these sites is extremely fast . While the nature of these precursor sites is not ...
Shelby and Mattern ( 1975 ) have speculated that hydroxyl formation in this type
of silica occurs at special sites , denoted precursors , and that the reaction rate at
these sites is extremely fast . While the nature of these precursor sites is not ...
Page 311
unirradiated low - OH content silica by drawing rods down into fibers ( Kaiser ,
1974 ) . In addition to the 630 nm band , there is a tail extending from the
relatively intense defect center bands in the UV through the visible and well into
the IR .
unirradiated low - OH content silica by drawing rods down into fibers ( Kaiser ,
1974 ) . In addition to the 630 nm band , there is a tail extending from the
relatively intense defect center bands in the UV through the visible and well into
the IR .
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Contents
Solubility Models | 9 |
Effect of Experimental Variables on Gas Mobility in Vitreous Materials | 16 |
Phase Separation and Crystallization | 26 |
Copyright | |
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Common terms and phrases
absorption activation addition alkali amount appears atom band borate calculated Ceram chemical coefficient components composition concentration constant containing crystallization curve decrease defect defect centers dependence described determined devitrifiable solder glasses diffusion discussed durability effect electron energy et al example experimental Figure function given glass composites grains grinding Griscom growth hardness heat helium hole immiscibility increase indentation intensity ions irradiation lapping lead loss lower material measured mechanism observed obtained optical oxide oxygen particle Patent phase phase separation Phys polishing rate properties radiation range reaction relationship removal reported samples sealing Shelby shown in Fig shows silica silicate glasses similar SiO2 sodium softening point solder glass solubility solution spectra spectrum structure studies suggested surface Table temperature thermal expansion tion trapped treatment various viscosity vitreous volume yield