Glass, Volume 22 |
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Page 198
Rice ( 1978 ) has also treated the energy equations for cracks in terms of
thermodynamic laws . He used ... These changes make no difference to the
conclusion that the Griffith equation provides a necessary but not a sufficient
condition ...
Rice ( 1978 ) has also treated the energy equations for cracks in terms of
thermodynamic laws . He used ... These changes make no difference to the
conclusion that the Griffith equation provides a necessary but not a sufficient
condition ...
Page 215
The theories discussed below introduce some minor differences into these
equations , but they are not significant for choosing between the ... Thus it is
important to choose the best equation if one wishes to extrapolate or to examine
theories .
The theories discussed below introduce some minor differences into these
equations , but they are not significant for choosing between the ... Thus it is
important to choose the best equation if one wishes to extrapolate or to examine
theories .
Page 223
An equation for the rate constant k of a chemical reaction is k = ko exp ( - AG * /
RT ) ( 56 ) where AG * is the free energy of activation and ko is weakly dependent
on temperature or pressure . If the pressure P is a variable as well as the ...
An equation for the rate constant k of a chemical reaction is k = ko exp ( - AG * /
RT ) ( 56 ) where AG * is the free energy of activation and ko is weakly dependent
on temperature or pressure . If the pressure P is a variable as well as the ...
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Contents
Water in Glass | 75 |
Applications | 121 |
Gel Method for Making Glass | 129 |
Copyright | |
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acid addition adsorption alkali alkoxide analysis applied atoms band Bartholomew bond bulk calculated cause Ceram Chem chemical clusters coefficient components composition concentration constant contraction crack crystals curve decrease dependence depth determination developed discussed distribution Doremus effect energy equation et al example expansion experimental failure fatigue fibers formation formed fracture function geometry give given glass surfaces groups heating higher hydrated hydrolysis hydrosilicate important increase influence ions Kamiya layer lead length load lower material mean measured melting metal method mole observed obtained occurs oxide phase Phys possible prepared pressure processes produced propagation properties range ratio reaction region samples seal shown in Fig shows silicate glasses SiO2 soda-lime Solids solution strain strength stress structure studies Table technique temperature thermal tion values vapor viscosity water content