Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 10
... silica of v decrease in solubility for larger molecules . If one assumes then that the interstices are ~ 3 Å in diameter , are spherical , and have a total volume of 0.03 cm3 / cm3 of glass , there are approximately 2.1 x 1021 sites ...
... silica of v decrease in solubility for larger molecules . If one assumes then that the interstices are ~ 3 Å in diameter , are spherical , and have a total volume of 0.03 cm3 / cm3 of glass , there are approximately 2.1 x 1021 sites ...
Page 27
... silica , while the second phase will be rich in modifier ions . If the high - silica phase is continuous , most of the gas will diffuse through this phase and the measured activation energy will be close to that for vitreous silica ...
... silica , while the second phase will be rich in modifier ions . If the high - silica phase is continuous , most of the gas will diffuse through this phase and the measured activation energy will be close to that for vitreous silica ...
Page 311
... silica core fibers is due to alkali impurities is still an unanswered question . One remarkable feature of the radiation - induced spectra shown in Fig . 19 is the sharp induced lines due to overtone and combination bands of the ...
... silica core fibers is due to alkali impurities is still an unanswered question . One remarkable feature of the radiation - induced spectra shown in Fig . 19 is the sharp induced lines due to overtone and combination bands of the ...
Contents
Solubility Models | 9 |
Effect of Experimental Variables on Gas Mobility in Vitreous Materials | 16 |
Phase Separation and Crystallization | 26 |
Copyright | |
18 other sections not shown
Common terms and phrases
activation energy addition alkali alkali ions alkali silicate glasses annealing atom band bleaching BOHC borate boron borosilicate glass cation Ceram Chem chemical durability components concentration crystallization curve decrease defect centers devitrifiable solder glasses Doremus effect ESR spectra eV band experimental Friebele fused silica glass surface glass systems glasses containing grinding Griscom heat treatment helium hole center hole trapped hydrogen hyperfine immiscibility immiscibility boundary increase indentation irradiation lapping hardness layer measured mole Na₂O Non-Cryst nonbridging oxygen nucleation observed optical absorption oxide glasses oxygen particle PbTiO3 permeability phase separation Phys polishing grains polishing rate powder properties radiation radiation-induced reaction samples Section Shelby shown in Fig silicate glasses SiO2 sodium softening point solder glass composites solubility spectrum spinodal decomposition structure studies Table Takamori thermal expansion coefficient tion Tomozawa U.S. Patent viscosity vitreous silica vitreous solder glass volume loss