Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 29
... Reactions Many of the common reactions between glasses and the surrounding atmosphere are essentially controlled by the diffusion of the gaseous mole- cules to the reaction site , i.e. , the reaction rate is fast compared to the diffu ...
... Reactions Many of the common reactions between glasses and the surrounding atmosphere are essentially controlled by the diffusion of the gaseous mole- cules to the reaction site , i.e. , the reaction rate is fast compared to the diffu ...
Page 30
... reaction Si - O - Si + H2 SiOH + SiH ( 35 ) The former , however , requires a somewhat unorthodox model . Shelby and Mattern ( 1975 ) have speculated that hydroxyl formation in this type of silica occurs at special sites , denoted ...
... reaction Si - O - Si + H2 SiOH + SiH ( 35 ) The former , however , requires a somewhat unorthodox model . Shelby and Mattern ( 1975 ) have speculated that hydroxyl formation in this type of silica occurs at special sites , denoted ...
Page 42
... reaction of water with glass . In Section II the stages in the reaction of water with glass are briefly described , and some experimental measurements of this reaction are re- viewed . Then a mathematical model for the reaction of water ...
... reaction of water with glass . In Section II the stages in the reaction of water with glass are briefly described , and some experimental measurements of this reaction are re- viewed . Then a mathematical model for the reaction of water ...
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