Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 24
... less than approximately one and that a structural change ( of a controversial nature ) occurs when this ratio exceeds a value ( Day and Rindone , 1962 ; Taylor and Rindone , 1970 ) of 1.0 to 1.1 . The effect of this structural change on ...
... less than approximately one and that a structural change ( of a controversial nature ) occurs when this ratio exceeds a value ( Day and Rindone , 1962 ; Taylor and Rindone , 1970 ) of 1.0 to 1.1 . The effect of this structural change on ...
Page 60
... less than those needed for fused silica . The composition of this glass is approximately 81 mole % SiO2 , 13 % B2O3 , 4 % Na2O , and 2 % Al2O3 . The low sodium concentration is one reason for its high durability ; in addition , the ...
... less than those needed for fused silica . The composition of this glass is approximately 81 mole % SiO2 , 13 % B2O3 , 4 % Na2O , and 2 % Al2O3 . The low sodium concentration is one reason for its high durability ; in addition , the ...
Page 95
... less durable ( e.g. , Na2O - B2O3 rich ) phase matrix , and ( C ) chemically less durable phase particles dispersed in the chemically more durable phase matrix . Chemical durability of glasses de- teriorates with phase separation when ...
... less durable ( e.g. , Na2O - B2O3 rich ) phase matrix , and ( C ) chemically less durable phase particles dispersed in the chemically more durable phase matrix . Chemical durability of glasses de- teriorates with phase separation when ...
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