Treatise on Materials Science and TechnologyHerbert Herman, Minoru Tomozawa, Robert H. Doremus |
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Page 137
... heating . Fibrous gels can be heated without unusual precautions . Quick increases from room to high temperature or direct introduction of fibrous gels into the furnace at high temperature does not cause fibrous gels to fracture . They ...
... heating . Fibrous gels can be heated without unusual precautions . Quick increases from room to high temperature or direct introduction of fibrous gels into the furnace at high temperature does not cause fibrous gels to fracture . They ...
Page 138
... heating temperature , indicating that most of the water leaves the gel at relatively low temperatures . A small number of OH groups are still retained after heating at 1000 ° C . However , these OH groups incorporated into the glass ...
... heating temperature , indicating that most of the water leaves the gel at relatively low temperatures . A small number of OH groups are still retained after heating at 1000 ° C . However , these OH groups incorporated into the glass ...
Page 146
... heating them up to 1070 ° C . Silica glasses of cylindrical shape 15 mm in diameter and 5 mm thick could be obtained . Gel fracture was avoided by choosing heating schedules in which the heating rate was very small at the temperatures ...
... heating them up to 1070 ° C . Silica glasses of cylindrical shape 15 mm in diameter and 5 mm thick could be obtained . Gel fracture was avoided by choosing heating schedules in which the heating rate was very small at the temperatures ...
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