Glass, Volume 22 |
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Page 98
5 j * 0 . 22 0 . 3° DEPTH ( um ) 0 . 6 Fig . 13 . Hydrogen profile measured for a
series of glasses hydrated in water at 90°C for times up to 540 hr . From Lanford
et al . ( 1979 ) . ( < 150 hr ) concentration profiles of hydrogen could be described
by ...
5 j * 0 . 22 0 . 3° DEPTH ( um ) 0 . 6 Fig . 13 . Hydrogen profile measured for a
series of glasses hydrated in water at 90°C for times up to 540 hr . From Lanford
et al . ( 1979 ) . ( < 150 hr ) concentration profiles of hydrogen could be described
by ...
Page 189
a * S 1 + ( c2 – a2 ) x2 / a4 where c is the depth of the crack ( semimajor axis of
the ellipse ) , a is the half - width of the crack ( semiminor axis of the ellipse ) , and
x is the distance from the crack tip parallel to the sample surface . Right at the tip
...
a * S 1 + ( c2 – a2 ) x2 / a4 where c is the depth of the crack ( semimajor axis of
the ellipse ) , a is the half - width of the crack ( semiminor axis of the ellipse ) , and
x is the distance from the crack tip parallel to the sample surface . Right at the tip
...
Page 202
The strength does not increase much when the etch depth is less than about 2
um , showing that the tip radius is not appreciably etched , probably because the
etching solution in the cracks becomes rapidly saturated with reaction products ...
The strength does not increase much when the etch depth is less than about 2
um , showing that the tip radius is not appreciably etched , probably because the
etching solution in the cracks becomes rapidly saturated with reaction products ...
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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