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Article
Thermally stimulated polarization current in sodium germanate glass
The electrical conductivity of XNa2O·(100−X)GeO2 glasses where X is 0.19 and 27.5 mol%, was studied by means of the technique of thermally stimulated polarization current. The compositional dependence of the para...
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Chapter
Optically Transparent Glass Fiber Reinforced Poly(methylmethacrylate) Laminates
Transparent composites have been made at the University of Missouri-Rolla, USA. The refractive index of optical glass fibers was adjusted to match the refractive index of poly(methyl methacrylate) for the midd...
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Article
Temperature and wavelength dependent transmission of optically transparent glass fibre poly (methyl methacrylate) composites
The temperature and wavelength dependent transmission was measured for glass fibre reinforced transparent composites prepared by sheet lamination and pressure curing processes. A mathematical model using fibre...
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Article
Preparation and properties of mid-infrared glass fibres and poly (chlorotrifluoroethylene) composites
Fluorophosphate-glass-fibre-reinforced poly(chlorotrifluoroethylene) (PCTFE) composites with a transmittance of 80% from 0.4 to 3.7 μm were prepared. The transparent PCTFE composites transmit light to longer w...
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Article
A generalized method for determining the crystal nucleation and growth rates in glasses by differential thermal analysis
A generalized experimental method that uses differential thermal analysis (DTA) has been developed for determining the nucleation rate (I), the crystal growth rate (U), and the concentration of quenched-in nuclei...
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Article
Processing sodium tellurite melts in low gravity drop shaft: part I Melt evaporation and formation of solid particles from vapor
Glasses of Na2O·8TeO2 and Na2O·4TeO2 compositions adhered to a small platinum heating coil (2 to 3 mm ID, 5 to 6 mm long) were melted and evaporated in low gravity using the drop shaft at the Japan Microgravity C...
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Article
Processing sodium tellurite melts in low gravity drop shaft: Part II Melt solidification and glass formation
The effect of gravity on glass formation and crystallization of the Na2Ocdot;8TeO2 (NT8) and Na2Oċ4TeO2 (NT4) melts were investigated using the low gravity drop shaft at the Japan Microgravity Center (JAMIC). Thi...
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Article
On glass formation for a Na2O·4TeO2 melt: Effect of melting temperature, time, and raw material
The effect of melting temperature, time, and the type of raw material, NaNO3 or Na2CO3, as a source for Na2O on the glass formation for a Na2O·4TeO2(NT4) melt was investigated. Melting with NaNO3 at 750°C for a s...
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Article
Containerless processing of a lithium disilicate glass
Glasses of Li2O · 2SiO2 (LS2), and LS2 doped with 0.001 wt% platinum (LS2 + 0.001 wt% Pt) compositions were melted, cooled and reheated at controlled rates while levitated (containerless) inside an electrostatic ...