Treatise on Materials Science and TechnologyHerbert Herman, Minoru Tomozawa, Robert H. Doremus |
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Page 95
... protons . This -15 -10 5 10 15 H - Ho Fig . 11. Proton NMR absorption spectrum of glass : 77.5 % SiO2 , 10.7 % Na2O , 2.8 % K2O , 7.7 % ZnO , and 1.3 % Al2O3 ( mol % ) , containing 8.4 % H2O . The dashed curve reflects the line shape of ...
... protons . This -15 -10 5 10 15 H - Ho Fig . 11. Proton NMR absorption spectrum of glass : 77.5 % SiO2 , 10.7 % Na2O , 2.8 % K2O , 7.7 % ZnO , and 1.3 % Al2O3 ( mol % ) , containing 8.4 % H2O . The dashed curve reflects the line shape of ...
Page 109
... protons is responsible for the high - temperature peak . Introduction of protons into glass by ion exchange in molten ammonium bisulphate gave the same changes in internal friction as when the glass was melted in a humid atmosphere ...
... protons is responsible for the high - temperature peak . Introduction of protons into glass by ion exchange in molten ammonium bisulphate gave the same changes in internal friction as when the glass was melted in a humid atmosphere ...
Page 124
... proton cannot exist in glass , water molecules as such are transported into the glass while sodium oxide moves in the oppo- site direction . The net overall reaction is the apparent exchange of protons for sodium ions . This mechanism ...
... proton cannot exist in glass , water molecules as such are transported into the glass while sodium oxide moves in the oppo- site direction . The net overall reaction is the apparent exchange of protons for sodium ions . This mechanism ...
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