Treatise on Materials Science and TechnologyHerbert Herman, Minoru Tomozawa, Robert H. Doremus |
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Page 13
... atom , whereas other positions appear energetically less favorable . In Fig . 6 the potential curves for different exchange models are shown . A weakening of the Si - Obr bond for structure 2 after addition of the water molecule is ...
... atom , whereas other positions appear energetically less favorable . In Fig . 6 the potential curves for different exchange models are shown . A weakening of the Si - Obr bond for structure 2 after addition of the water molecule is ...
Page 15
... atoms q ( 2 ) changes only slightly with the introduction of a foreign atom , the charge q ( 3 ) on the bridging oxygen atom q ( 3 ) is more strongly influ- enced . The bond population p ( SiO ) br increases when B and Al are bound as ...
... atoms q ( 2 ) changes only slightly with the introduction of a foreign atom , the charge q ( 3 ) on the bridging oxygen atom q ( 3 ) is more strongly influ- enced . The bond population p ( SiO ) br increases when B and Al are bound as ...
Page 44
... atoms at which the OH groups are bound . Quantum- chemical calculations for surface silicate clusters with OH groups lead to a correlation between the net charge on the H atom and the pKa value ( Dunken and Hobert , 1979 ) . Geminal ...
... atoms at which the OH groups are bound . Quantum- chemical calculations for surface silicate clusters with OH groups lead to a correlation between the net charge on the H atom and the pKa value ( Dunken and Hobert , 1979 ) . Geminal ...
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