Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 14
... determined from the expression ( Doremus , 1973 ) K = ( VL / AP ) ( dP / dt ) ( 17 ) where K is the permeability , V the high - vacuum system volume , L and A the specimen thickness and area , respectively , P the pressure differential ...
... determined from the expression ( Doremus , 1973 ) K = ( VL / AP ) ( dP / dt ) ( 17 ) where K is the permeability , V the high - vacuum system volume , L and A the specimen thickness and area , respectively , P the pressure differential ...
Page 15
... determined , the solubility can be determined by solving this expression for S , or S = ( π / D ) 1 / 2 ( V / 2A ) P - 11 / 2 ( dP / dt ) exp ( L2 / 4Dt ) ( 21 ) If experimental data are collected until steady - state flow , one can ...
... determined , the solubility can be determined by solving this expression for S , or S = ( π / D ) 1 / 2 ( V / 2A ) P - 11 / 2 ( dP / dt ) exp ( L2 / 4Dt ) ( 21 ) If experimental data are collected until steady - state flow , one can ...
Page 79
... determination is shown in Fig . 6. Another method to determine the tie lines is to determine the separated ... determined , those original compositions lying along a tie line should have the same glass - transition temperature ...
... determination is shown in Fig . 6. Another method to determine the tie lines is to determine the separated ... determined , those original compositions lying along a tie line should have the same glass - transition temperature ...
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