Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 120
... SOFTENING POINT ( ° C ) Fig . 4. Relationship between softening point and polishing rate for various types of glasses : Silicate glasses ; O , Borate glasses . POLISHING RATE ( m / min ) 0.5 0.4 BK7 120 TETSURO IZUMITANI.
... SOFTENING POINT ( ° C ) Fig . 4. Relationship between softening point and polishing rate for various types of glasses : Silicate glasses ; O , Borate glasses . POLISHING RATE ( m / min ) 0.5 0.4 BK7 120 TETSURO IZUMITANI.
Page 174
... softening point specified in ASTM designation ( C338-57 ) . Occasionally the " dilatometric softening point " is used instead . Also used is the " softening point " defined ( Ramsey , 1971 ) on the DTA thermogram as the point where the ...
... softening point specified in ASTM designation ( C338-57 ) . Occasionally the " dilatometric softening point " is used instead . Also used is the " softening point " defined ( Ramsey , 1971 ) on the DTA thermogram as the point where the ...
Page 182
... softening points ; the solid lines , the average coefficients of thermal expansion from 0 to 200 C. ( After Dalton ... point ( A ) and thermal expansion ( B ) of glasses in the PbO - B2O3 - ZnO ternary system ( Takagi , 1963 ) , in which the ...
... softening points ; the solid lines , the average coefficients of thermal expansion from 0 to 200 C. ( After Dalton ... point ( A ) and thermal expansion ( B ) of glasses in the PbO - B2O3 - ZnO ternary system ( Takagi , 1963 ) , in which the ...
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