Modern Aspects of the Vitreous State, Volume 1John Douglas Mackenzie |
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Page 23
... scattering , and is denoted B ( s ) . This can be calculated from tables , but is only approximately known . Usually tabulated values of the scattering of the neutral atoms are used in the calculations of the background . The scattering ...
... scattering , and is denoted B ( s ) . This can be calculated from tables , but is only approximately known . Usually tabulated values of the scattering of the neutral atoms are used in the calculations of the background . The scattering ...
Page 31
... SCATTERING OF X - RAYS BY GLASSES For certain specimens it was experimentally observed that at low angles . ( below 2 ° ) they produced a continuous scattering without the usual diffraction effects found on ordinary X - ray diagrams ...
... SCATTERING OF X - RAYS BY GLASSES For certain specimens it was experimentally observed that at low angles . ( below 2 ° ) they produced a continuous scattering without the usual diffraction effects found on ordinary X - ray diagrams ...
Page 32
... scattering . Porai - Koshits and Andreyev36 succeeded in producing low angle scattering from glasses of the following composition : 7 per cent Na2O , 23 per cent B2O , and 70 per cent SiO2 ( composition given in mole per cent , and ...
... scattering . Porai - Koshits and Andreyev36 succeeded in producing low angle scattering from glasses of the following composition : 7 per cent Na2O , 23 per cent B2O , and 70 per cent SiO2 ( composition given in mole per cent , and ...
Contents
CRYSTALLIZATION KINETICS AND GLASS FORMA | 38 |
CONSTITUTION OF PHOSPHATE GLASSES | 63 |
NUCLEAR MAGNETIC RESONANCE ABSORPTION | 92 |
Copyright | |
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absorption acid alkali Amer amorphous anions approximately B₂O band binary bonds borates boron atoms boron oxide calculated cation cent metal oxide ceram chain length chem cm-¹ composition configurational coordination number corresponding coupling constant cristobalite crystalline decrease diffraction electron energy entropy equation equilibrium experimental fluidity free volume frequency function glass formation glass forming tendency glass structure glass temperature glass transition temperature groups heat hydrogen bonding increase infra-red ionic ions kcal/mole kinetic lattice liquid silicates Mc/s method mole per cent molecular weight molecules Na₂O nuclear magnetic resonance number average observed obtained oxygen partition function peaks phase phosphate glasses phosphorus Phys polymers quadrupole radial distribution curve Raman random network scattering segments shown in Figure silicate glasses SiO2 sodium solid spectra Structure of Glass studies supercooled T₂ tetrahedra theoretical theory thermodynamic undercooled units values variation vibrations viscosity vitreous vitreous silica Warren Wazer Zachariasen