Treatise on Materials Science and TechnologyHerbert Herman, Minoru Tomozawa, Robert H. Doremus |
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Page 59
... alkali - metal ions migrate to the surface and there form surface hydroxides with H2O , and ( 3 ) attack of alkali ( OH ̄ ions ) on the glass network . Steps ( 2 ) or ( 3 ) control the rate of reaction , depending upon the alkali oxide ...
... alkali - metal ions migrate to the surface and there form surface hydroxides with H2O , and ( 3 ) attack of alkali ( OH ̄ ions ) on the glass network . Steps ( 2 ) or ( 3 ) control the rate of reaction , depending upon the alkali oxide ...
Page 61
... ions on the surface are responsible for these changes , as is shown by comparison of the conductivity isotherms of alkali - free silica glass with those of the Na2O- and K2O - containing borosilicate glass ( BK7 ) . It can be de- duced ...
... ions on the surface are responsible for these changes , as is shown by comparison of the conductivity isotherms of alkali - free silica glass with those of the Na2O- and K2O - containing borosilicate glass ( BK7 ) . It can be de- duced ...
Page 117
... ions in water - containing glasses is obvi- ously quite complex . Initially the addition of -OH groups decreases the alkali - ion mobility , as , possibly , does the first water molecule per alkali ion . However , with additional water ...
... ions in water - containing glasses is obvi- ously quite complex . Initially the addition of -OH groups decreases the alkali - ion mobility , as , possibly , does the first water molecule per alkali ion . However , with additional water ...
Contents
Water in Glass | 75 |
Applications | 121 |
Gel Method for Making Glass | 129 |
Copyright | |
15 other sections not shown
Common terms and phrases
acid activation energy adsorption alkali alkoxide alkoxide method alkoxide solution annealing point atoms autoclave Bartholomew bead seal BK7 glass bond borosilicate borosilicate glass bulk glass calculated Ceram Chem chemical components crack propagation crack tip crystals curve density dependence desorption diameter distribution Dunken effect elastic energy equation etching experimental failure film flaws fused silica geometry glass fibers glass surface H₂O heating Hillig hydrated hydrolysis hydrosilicate increase ions layer liquid load material measured melting metal alkoxides mole Na2O Non-Cryst OH groups Pavelchek and Doremus Phys powders Pyrex ratio reaction refractive index Rekhson samples sandwich seal Section set point shown in Fig shows silicate glasses SiO2 SiO2 glass soda-lime glass Solids spectra static fatigue strain stress release structure Table technique temperature tensile stress thermal expansion TiO2 tion tip radius values vapor Varshneya velocity viscosity water content Wiederhorn Young's modulus ZrO2