Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 28
... lead to a growth of a continuous high - silica phase will lead to a decreasing activation energy for diffusion and an increase in diffusivity . On the other hand , thermal treatments that cause changes in the basic nature of the phase ...
... lead to a growth of a continuous high - silica phase will lead to a decreasing activation energy for diffusion and an increase in diffusivity . On the other hand , thermal treatments that cause changes in the basic nature of the phase ...
Page 65
... lead does not much influence durability , but the much larger amount in 8870 reduces alkaline durability . The reasons for these effects are uncertain . Paul ( 1977 ) suggested that the sharp increase in lead oxide activity in lead ...
... lead does not much influence durability , but the much larger amount in 8870 reduces alkaline durability . The reasons for these effects are uncertain . Paul ( 1977 ) suggested that the sharp increase in lead oxide activity in lead ...
Page 294
... lead borate and silicate glasses as determined by NMR ( Leventhal and Bray , 1965 ) . Kim and Bray's inability to ... lead nucleus of 2 = 0.382 , p2 = 0.052 . By comparison with ESR data for a number of crystalline lead compounds , it ...
... lead borate and silicate glasses as determined by NMR ( Leventhal and Bray , 1965 ) . Kim and Bray's inability to ... lead nucleus of 2 = 0.382 , p2 = 0.052 . By comparison with ESR data for a number of crystalline lead compounds , it ...
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