Glass, Volume 1 |
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Page 128
This birefringence , if ever observed , should also be annealed out by an ordinary
annealing procedure , just as with other birefringences caused by strains .
Figures 3 and 4 illustrate the results on the frozen - in strain in commercial Pyrex
...
This birefringence , if ever observed , should also be annealed out by an ordinary
annealing procedure , just as with other birefringences caused by strains .
Figures 3 and 4 illustrate the results on the frozen - in strain in commercial Pyrex
...
Page 133
Subsequently , ( 3 ) each rod was annealed to remove thermal strain by heating
at the annealing point for 1 hour and cooling in the furnace at 2°C / min . In spite
of the drastic increase in the measured viscosity of the glasses with progressive ...
Subsequently , ( 3 ) each rod was annealed to remove thermal strain by heating
at the annealing point for 1 hour and cooling in the furnace at 2°C / min . In spite
of the drastic increase in the measured viscosity of the glasses with progressive ...
Page 150
... temperature range . Goldstein and Davies ( 1955 ) observed an anisotropy in
the NaPO3 glass fibers prepared by stretching the glass during cooling . Without
annealing the fibers , the anisotropy was revealed by an arc structure of x ...
... temperature range . Goldstein and Davies ( 1955 ) observed an anisotropy in
the NaPO3 glass fibers prepared by stretching the glass during cooling . Without
annealing the fibers , the anisotropy was revealed by an arc structure of x ...
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absorption alkali annealing applied assumed atoms band birefringence bleaching bond borate glasses Bray Brillouin calculations caused Ceram charge Chem coefficient color composition concentration conductivity considered constant containing coordination copper crystal crystalline curve darkening density dependence described detailed determined dielectric diffusion discussed distribution effect electron energy equation equilibrium et al experimental fading field fluctuations frequency function given gives heat treatment hole increased indicated intensity ions levels light liquid material measured mole negative observed obtained optical oxide oxygen particles phase photochromic Phys polarization positive present probably produce properties range ratio reduced relaxation reported respectively sample scattering separation shift shown in Fig silicate glasses silver halide similar SiO2 sodium Solids spectra spectrum strain stretching structural studied Taylor techniques temperature term thermal tion transition trapped units unpublished wavelengths York