Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 54
... calculated from time and distance of penetration and Eq . ( 23 ) . In the early stages of diffusion Eq . ( 22 ) is valid , from which DB can be calculated . The rate of dissolution can be calculated from measurements of the type carried ...
... calculated from time and distance of penetration and Eq . ( 23 ) . In the early stages of diffusion Eq . ( 22 ) is valid , from which DB can be calculated . The rate of dissolution can be calculated from measurements of the type carried ...
Page 57
... calculation of dependable diffusion coefficients or dissolu- tion rates . In particular , the diffusion coefficients calculated by Douglas and co - workers ( Rana and Douglas , 1961 ; Das and Douglas , 1967 ) are too high , because they ...
... calculation of dependable diffusion coefficients or dissolu- tion rates . In particular , the diffusion coefficients calculated by Douglas and co - workers ( Rana and Douglas , 1961 ; Das and Douglas , 1967 ) are too high , because they ...
Page 176
... calculated by the additivity TABLE I ADDITIVITY FACTORS FOR CALCULATION OF Thermal EXPANSION COEFFICIENT OF SOLDER GLASSES “ Oxide Factor Effective range investigated PbO 0.221x ( PbO % ) - 0.611 55-88 % B203 0.5 0-29 SiO2 0.1 0-29 ...
... calculated by the additivity TABLE I ADDITIVITY FACTORS FOR CALCULATION OF Thermal EXPANSION COEFFICIENT OF SOLDER GLASSES “ Oxide Factor Effective range investigated PbO 0.221x ( PbO % ) - 0.611 55-88 % B203 0.5 0-29 SiO2 0.1 0-29 ...
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