Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 3
... equilibrium exists between gaseous and dissolved atoms or molecules such that the equilibrium constant A is given by the expression A = 0 / F ( 1 - 0 ) ( 1 ) TABLE I SOLUBILITY PArameters for Various Gases IN VITREOUS SILICA Gas S × 10 ...
... equilibrium exists between gaseous and dissolved atoms or molecules such that the equilibrium constant A is given by the expression A = 0 / F ( 1 - 0 ) ( 1 ) TABLE I SOLUBILITY PArameters for Various Gases IN VITREOUS SILICA Gas S × 10 ...
Page 64
... equilibrium constant ( Roller and Ervin , 1940 ) of 10-9.8 , from which the free energy of formation of H3SiO4 ions given in Table III was calcu- lated . At higher pH a second hydrogen ion ionizes : H3SiO4 = H2SiO2 + H + ( 33 ) The ...
... equilibrium constant ( Roller and Ervin , 1940 ) of 10-9.8 , from which the free energy of formation of H3SiO4 ions given in Table III was calcu- lated . At higher pH a second hydrogen ion ionizes : H3SiO4 = H2SiO2 + H + ( 33 ) The ...
Page 196
... equilibrium can be established far more rapidly by using O , bubbling . As long as the surface of the melt was agitated continuously by the bubbling gas , the flow rate of the O2 was un- important in obtaining reproducible and ...
... equilibrium can be established far more rapidly by using O , bubbling . As long as the surface of the melt was agitated continuously by the bubbling gas , the flow rate of the O2 was un- important in obtaining reproducible and ...
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