Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 96
Minoru Tomozawa, Robert Heward Doremus. 1.2 1.0 0.8 Thickness of Leached Layer in 6 hr ( mm ) 0.4 0.2 6 500 505 00 510 2 5 10 20 50 100 200 Heat Treatment Time ( hr ) at 550 ° C 500 Tg ( C ° ) Fig . 15. Leaching rate in HCI and glass ...
Minoru Tomozawa, Robert Heward Doremus. 1.2 1.0 0.8 Thickness of Leached Layer in 6 hr ( mm ) 0.4 0.2 6 500 505 00 510 2 5 10 20 50 100 200 Heat Treatment Time ( hr ) at 550 ° C 500 Tg ( C ° ) Fig . 15. Leaching rate in HCI and glass ...
Page 122
... leached in 0.1N hydrochloric acid at a constant load was then investigated as a function of leaching time . As shown in Fig . 8 , the surface hardness decreases with increasing leaching time , which further indicates that a soft layer ...
... leached in 0.1N hydrochloric acid at a constant load was then investigated as a function of leaching time . As shown in Fig . 8 , the surface hardness decreases with increasing leaching time , which further indicates that a soft layer ...
Page 123
... leaching time in 0.1N HCI at room temperature . ( Load is 25 gm ) : KF2 ; A , SK2 ; × , FK1 ; O , BK7 ; △ , SF6 ... leached in 0.1N hydrochloric acid for 60 min . The polishing rate is inversely proportional to the hardness of the ...
... leaching time in 0.1N HCI at room temperature . ( Load is 25 gm ) : KF2 ; A , SK2 ; × , FK1 ; O , BK7 ; △ , SF6 ... leached in 0.1N hydrochloric acid for 60 min . The polishing rate is inversely proportional to the hardness of the ...
Contents
Molecular Solubility and Diffusion | 3 |
Solubility Models | 9 |
Effect of Experimental Variables on Gas Mobility in Vitreous Materials | 16 |
Copyright | |
15 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 doublet effect ESR spectra eV band experimental free energy Friebele fused silica glass surface glass systems glasses containing grinding Griscom heat treatment helium hole center hole trapped hydrogen hydronium hyperfine immiscibility immiscibility boundary increase indentation irradiation lapping hardness layer measured mole Non-Cryst nonbridging oxygens nucleation observed optical absorption oxide glasses oxygen particle 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