Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 80
... energy of mixing AGm , which is given by AGm = Gheterogeneous - Ghomogeneous = AH - TAS ( 1 ) In condensed systems , the enthalpy of mixing AH is the same as the internal energy of mixing AE and the Gibbs free energy of mixing AG is the ...
... energy of mixing AGm , which is given by AGm = Gheterogeneous - Ghomogeneous = AH - TAS ( 1 ) In condensed systems , the enthalpy of mixing AH is the same as the internal energy of mixing AE and the Gibbs free energy of mixing AG is the ...
Page 86
... energy effect at the normal heat- treatment temperature for phase separation , the nuclei can be assumed to be spherical in shape . Then the free energy change AG in the formation of a nucleus with radius r is given by AG = — πг3 Agv + ...
... energy effect at the normal heat- treatment temperature for phase separation , the nuclei can be assumed to be spherical in shape . Then the free energy change AG in the formation of a nucleus with radius r is given by AG = — πг3 Agv + ...
Page 337
... energy , and k Boltzmann's constant . If a discrete activation energy were to be involved and first - order kinetics were assumed , the activation energy could be accurately determined by performing iso- thermal anneals at several ...
... energy , and k Boltzmann's constant . If a discrete activation energy were to be involved and first - order kinetics were assumed , the activation energy could be accurately determined by performing iso- thermal anneals at several ...
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