Glass, Volume 1Minoru Tomozawa, R. H. Doremus |
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Page 124
... load from its viscoelastic temperature range , for example , the glass often remains optically anisotropic even after the load is removed . If the cooling is slow enough to avoid thermal strain , the birefringence observed will be ...
... load from its viscoelastic temperature range , for example , the glass often remains optically anisotropic even after the load is removed . If the cooling is slow enough to avoid thermal strain , the birefringence observed will be ...
Page 127
... load . Most of the glasses described above ( except Pyrex ) are not phase separated . A similar optical anisotropy and also an anisotropic contraction on heating can be observed even in fused silica after cooling under load ( Takamori ...
... load . Most of the glasses described above ( except Pyrex ) are not phase separated . A similar optical anisotropy and also an anisotropic contraction on heating can be observed even in fused silica after cooling under load ( Takamori ...
Page 128
... load must be borne essentially by the higher viscosity phase , since the lower viscosity phase is too fluid at this temperature to hold the load ( Takamori , 1976 ) . The glass is then cooled under load to the temperature at which the ...
... load must be borne essentially by the higher viscosity phase , since the lower viscosity phase is too fluid at this temperature to hold the load ( Takamori , 1976 ) . The glass is then cooled under load to the temperature at which the ...
Contents
Text | 8 |
Ultraviolet Absorption | 10 |
Methods of Measuring Surface Texture | 30 |
Copyright | |
49 other sections not shown
Common terms and phrases
absorption band alkali anisotropic annealing Araujo atoms binary birefringence bleaching bond borate glasses boron borosilicate glass Bray Brillouin Brillouin scattering calculations Ceram chalcogenide glasses Chem coefficient colloid color composition concentration fluctuations coordination copper crystal crystalline darkening density fluctuations dielectric constant dielectric relaxation diffusion distribution effect electron energy equilibrium experimental fade rate Fe3+ frequency frozen-in strain function GeO2 glasses containing Griscom heat treatment increase indicated intensity irradiated Landau-Placzek ratio light scattering measured microstructural birefringence mole Mössbauer Na₂O negative birefringence observed octahedral octahedral symmetry optical oxide glasses oxygen paramagnetic particles phase separation phonons phosphate glasses photochromic photochromic glasses Phys polarization positive birefringence Raman Rayleigh relaxation resonance sample Schroeder shift shown in Fig silicate glasses silver halide SiO2 sodium Solids spectra spectrum spin-lattice relaxation spinodal stretching structural studied Takamori Taylor temperature thermal tion Tomozawa transition trapped ultraviolet unpublished results vibrational viscosity wavelengths