Borosilicate glasses
Optical characterization of BK7 borosilicate glasses containing different amounts of CeO2
... the borosilicate glasses due to some appropriate properties such as high density, low thermal expansion, high softening temperature, high chemical stability and mechanical strength, and high refractive ...
8
Characteristic Studies on Whisker Reinforced Borosilicate Glasses
... of borosilicate glasses can be affected by different factors, for example change of the glass com- position, thermal heat treatment and irradiation ...
10
Modelling the sulfate capacity of simulated radioactive waste borosilicate glasses
... waste glasses similar in composition to those under consideration ...the glasses studied ...waste borosilicate glasses is approximately 5, therefore it is assumed for our models that Mn is ...
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Synthesis and Optical Investigations on (Ba,Sr)TiO3 Borosilicate Glasses Doped with La2O3
... There is not any sharp increase in absorption at ener- gies closed to the band gap that manifests itself as an absorption edge in the UV-visible absorption spectra and it is indicating the amorphous nature of glass ...
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Nuclear Magnetic Resonance and FTIR Structural Studies on Borosilicate Glasses Containing Iron Oxide
... of glasses. Recent studies have concentrated on borosilicate glasses, which have been developed as sealants, par- ticularly, for molten carbonate fuel cells (MCFC) [1] ...
10
Zn nanodot patterning in borosilicate glasses by electron irradiation
... Zn-borosilicate glasses via electron beam irradiation has been analysed and key-findings comprise: via EELS fine structure (mainly Zn plasmon) and HRTEM we find that at least the majority of precipitated ...
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Synthesis, IR and Raman Spectroscopic Studies of (Ba,Sr)TiO3 Borosilicate Glasses with Addition of La2O3
... These glasses are chemically stable over a wide composition range and have a desirable electrical resis- ...lead borosilicate glasses are used as radiation hard glasses ...of glasses ...
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Wiedemann-Franz Law in Lithium-borosilicate glasses
... Abstract:- Wiedemann-Franz law is applied for the lithium-borosilicate glasses. The product LT is proportional to the ratio of thermal conductivity to electrical conductivity. Graphically it exactly passing ...
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Study of Physical Properties of Lithium-borosilicate glasses
... The mixed glass former (MGF) and mixed glass former effect (MGFE) is defined as a nonlinear and non-additive change in the ionic conductivity with changing glass former composition at constant modifier composition. ...
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Alteration layer formation of Ca- and Zn-oxide bearing alkali borosilicate glasses for immobilisation of UK high level waste: A vapour hydration study
... The vapour phase hydration of MW glass resulted in the for- mation of a thick, generally amorphous gel layer, with quartz and (Al, Na)-silicate (analcime) crystalline products. The addition of 25 wt% waste simulant to ...
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Estimation of Glass-Forming Ability and Glass Stability of Lithium-Borosilicate Glasses
... ABSTRACT: The structural theory of Glass Forming Ability was proposed with three new conditions; Electronegativity, Hardness, Softness and Orbital potential energy difference. Glass forming ability (GFA) and glass ...
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Strengthening of Soda-Borosilicate Glasses by Ion Exchange Processes
... of glasses subjected to the electric field assisted ion exchange by inverting the E-field polarisation or applying an AC ...soda borosilicate glass by electric field assisted ion exchange is significantly ...
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Substituted Borosilicate Glasses with Improved Osteogenic Capacity for Bone Tissue Engineering
... To emphasize, BBG-Sr and 311 45S5 bioglass® under osteogenic media showed a significant reduction on the cell 312 proliferation at day 14 when compared with the cells cultured under basa[r] ...
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Advanced techniques for extracting structural information from neutron diffraction of glasses
... borogermanate glasses, particularly in comparison with the structures of lithium [1] and sodium [2] borosilicate glasses, ...borogermanate glasses is compared to the relevant binary alkali ...
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Strength Improvement of Glass Substrates by Using Surface Nanostructures
... and borosilicate glasses, ...of borosilicate glass, which was caused by random defects and a larger number of random stress concentration points than in the aluminosilicate and fused silica ...
7
The Environment of Fe3+/Fe2+ Cations in a Sodium Borosilicate Glass
... multicomponent glasses is that they exhibit chemical nanoheterogeneity in the form of composition ...alkali borosilicate glasses, this nanoheterogeneity involves silica-rich and alkali borate-rich ...
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Studies of Preparation and Characteristics in Borosilicate Photosensitive Glass Ceramics
... years, borosilicate glass with strong photosensitivity, higher re- fractive index changes and temperature stability, gets more research interest in its photosensitivity ...
5
Machining of Borosilicate Glass with ECDM using Different Abrasives
... From the main effect plots it can be clearly concluded that the type of Electrolyte and it’s concentration is critical for Material Removal Rate MRR as it shows steep slopes.. The other [r] ...
9
Parameter optimization of micro ECDM process of borosilicate glass
... on borosilicate glass material according to the Taguchi Orthogonal Array (L9) technique in order to ascertain the effect of certain variables in the same manner with material removal rate (MRR) & tool wear ...
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Structural characterization of sulphate borophosphate glasses containing calcium oxide
... borophosphate glasses such as the transition temperature, crystallisation temperature, stability and glass forming ability are determined from DTA analysis and found to be thermally ...
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