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Showing 1 to 20 of 26 for “"silicate glass"”.
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Electron spin-lattice relaxation in YB3+ - doped silicate glass
… incorporated in low concentrations into a host silicate glass have been measured using a pulse saturation/recovery technique at 9.5 GHz over the temperature range 1.5-7.0 K. Compared with similar measurements made on crystalline material, the temperature dependence of the recovery rates for the …
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Electron spin-lattice relaxation in ytterbium ion-doped silicate glass
… incorporated in low concentrations into a host silicate glass have been measured using a pulse saturation/recovery technique at 9.5 GHz over the temperature range 1.5-7.0 K. Compared with similar measurements made on crystalline material, the temperature dependence of the recovery rates for the …
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Concentrations of Pt and Pd in a hydrous silicate glass
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
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The effects of fatigue and weathering on the failure behavior of commercial soda-lime-silicate glass
… and susceptibility to fatigue of soda-lime silicate (SLS) glass. The two-point bend method was used to evaluate the fatigue characteristics and the degradation of failure strain of fibers drawn from melts of commercial soda-lime silicate glass and exposed to various environmental conditions. …
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Fabrication and applications of lead-silicate glass holey fibre for 1-1.5 microns: nonlinearity and dispersion trade offs
… on a commercial highly nonlinear non-silica glass: lead silicate glass, for their specific incorporation in optical devices based on fibre nonlinearity and dispersive properties. For example, supercontinuum (SC) generation experiments using these structures are demonstrated. Together with the …
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A Study of the flow Performance of a Sodium Silicate Furnace
The flow characteristics of neutral sodium silicate glass in an open hearth regenerative furnace have been studied using a one tenth scale physical model. The constraints of similarity have been investigated and discussed, and the use of sodium liquor as a cold modelling solution has been …
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Corrosion resistance of modified β-Eucryptite
… corroded than commercial lithium-alumina-silicate glass-ceramics when exposed to these environments. Aqueous HCI removes AIP04 from modified β-eucryptite leaving a very porous structure. Molten salt corrodes modified β-eucryptite by penetration of sodium and sulfur which form an alkali …
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A spectroscopic investigation of novel doped glasses for active infrared devices
A number of novel doped glasses have been studied for their potential as infrared amplifier materials. Optical amplifiers which operate outside of the C-band are likely to form part of future optical telecoms systems. This work is focused on transition metal and rare earth-doped materials which …
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Iron spin crossovers at high pressures and temperatures and their effects on materials relevant tot he Earth’s lower mantle and core
… crossovers in iron-containing magnesium aluminum silicates, iron-bearing silicate glasses, the iron carbide Fe3C and the effect of Fe spin crossovers on the Fe/Mg partitioning between perovskite and ferropericlase in pyrolitic model system of the Earth’s lower mantle. The goal is first to …
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Description and reconstruction of microscopic random heterogenous media in order to estimate macroscopic hydraulic functions
… The investigated material was a sintered boron silicate glass. Based on the measured pore geometry (with x-ray tomography), a lattice-Boltzmann Navier-Stokes equation solver was used to calculate the velocity field and the hydraulic conductivity. Additionally, the pressure-saturation relation of …
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Sapphire fiber in optical sensors
… capillary tube and bound together with alumino-silicate glass. Sapphire fiber optical sensors cannot use standard interferometric techniques used with silica fibers because sapphire fibers are not clad, making a strongly guiding, highly multimode waveguide that introduces a great deal of modal …
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Applications of a three-body potential model and crystal field calculations to the simulation of EU³⁺, Er³⁺ and Yb³⁺ environments in PbO.SiO₂ glass
… the local environment of rare-earth doped lead silicate glasses, using molecular dynamics simulation techniques and crystal-field theory, is presented. The primary focus of the research was to develop a more realistic potential model to better describe the environment surrounding the rare-earth …
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Transverse Isotachophoresis Using Polyacrylamide Gel Electrodes
… using transverse isotachophoresis (ITP). A boro-silicate glass chip is used with Poly(Acrylamide) gel electrodes to establish an electric field perpendicular to the direction of sample flow, causing a controlled migration of charged particles. The design and fabrication of the microfluidic chip …
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The effect of the oxygen inhibition layer on interfacial bond strengths and stain resistance of dental resin composites
… mixtures loaded with either barium- or strontium-silicate glass fillers were fabricated. Commercially available dental resin composite restorative materials, including a novel epoxy-based system were also examined. The OIL of each material type was measured using a novel optical depth of focus …
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Biomaterials for bone regeneration
… calcium phosphate microspheres and bioactive silicate glass scaffolds. These biomaterials were prepared with modified compositions and microstructures and then were evaluated for bone regeneration.</p> <p>The open HA microspheres with dense convex surfaces and rough and porous concave surfaces …
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Studies of clay minerals and their decomposition products
… to melt between 1200 and 1300°C, producing a silicate glass that contained Fe(3+) and Fe(2+) ions. Ortho-pnstatite, clino-enstatite and proto-enstatite were identified in the thermal products of hectorite, their relative proportions varying with temperature. Protoenstatite was stabilised with …
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Flash Sintering of Alumina-based Ceramics
… like alumina also in the presence of magnesia silicate glass phase typically used for activating liquid phase sintering. The materials were studied by using different combinations of electric field and current density. Physical, structural and microstructural properties of sintered samples were …
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Hydrolysis and aqueous corrosion of silicate and aluminosilicate glasses via ab initio molecular dynamics simulation
Hydrolysis and aqueous corrosion of glass is a complex and puzzling phenomenon. Although many endeavors have been made to investigate corrosion in glass, it is still an open question with many unanswered fundamental issues. To explore the hydrolysis mechanism in glasses and provide new insights …
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Towards a new transparency : high fidelity additive manufacturing of transparent glass structures across scales
Optically transparent and structurally sound, glass has played a significant role in the evolution of product and architectural design across scales and disciplines, and throughout the ages. Glass processing methods - such as blowing, pressing, and forming - have aimed at achieving increased glass …
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