Treatise on Materials Science and TechnologyHerbert Herman, Minoru Tomozawa, Robert H. Doremus |
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Page 169
... Cracks and Energy E. Flaw Densities and Effects of Sample Size 187 188 188 191 194 196 199 F. Nucleation of Cracks 201 G. Effect of Surface Treatment on Glass Strength 202 H. Fracture Origins and Velocity of Crack Propagation 203 I ...
... Cracks and Energy E. Flaw Densities and Effects of Sample Size 187 188 188 191 194 196 199 F. Nucleation of Cracks 201 G. Effect of Surface Treatment on Glass Strength 202 H. Fracture Origins and Velocity of Crack Propagation 203 I ...
Page 187
... crack pattern is entirely different ( Lawn and Wilshaw , 1975 ; Peter , 1964 ) . A “ median vent " crack propagates into the glass directly under the indenter during loading . When the load is released , winglike cracks ( " lateral ...
... crack pattern is entirely different ( Lawn and Wilshaw , 1975 ; Peter , 1964 ) . A “ median vent " crack propagates into the glass directly under the indenter during loading . When the load is released , winglike cracks ( " lateral ...
Page 233
... crack propagation data ( Wiederhorn , 1967 ) and the equations of Ritter ( 1978 ) and measured times . In some cases agreement is good , but in others there are discrepancies of greater than two order of magnitude . One must conclude ...
... crack propagation data ( Wiederhorn , 1967 ) and the equations of Ritter ( 1978 ) and measured times . In some cases agreement is good , but in others there are discrepancies of greater than two order of magnitude . One must conclude ...
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