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Sodium borosilicate glasses

Hardness and toughness of sodium borosilicate glasses via Vickers's indentations

Hardness and toughness of sodium borosilicate glasses via Vickers's indentations

... of sodium borosilicate (SBN) glasses as a function of their chemical ...processes. Sodium content significantly impacts the glass behavior under a sharp ...Low sodium glasses ...

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From network depolymerization to stress corrosion cracking in sodium-borosilicate glasses: Effect of the chemical composition

From network depolymerization to stress corrosion cracking in sodium-borosilicate glasses: Effect of the chemical composition

... 2.1. Glass chemical composition Glass fabrication invokes the same procedure as previously reported by the coauthors [6,7] . Table 3 recalls the target chemical composition of each glass [6] . A third party (PrimeVerre) ...

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Recent progress to understand stress corrosion cracking in sodium borosilicate glasses: linking the chemical composition to structural, physical and fracture properties

Recent progress to understand stress corrosion cracking in sodium borosilicate glasses: linking the chemical composition to structural, physical and fracture properties

... 4.2. Presentation of SBN stress corrosion cracking results Over the years, literature presents results on how the temper ature, the humidity, and the pH of the surrounding environ ment alter a glass ’ stress corrosion ...

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Iodine solubility and speciation in glasses

Iodine solubility and speciation in glasses

... pristine glasses are reported in Table 1 . The labels NBSx refer to sodium borosilicate glasses where x represents the SiO 2 molar ...pristine glasses and I-bearing ones were inserted ...

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Skeletal muscle sodium channelopathies

Skeletal muscle sodium channelopathies

... voltage-gated sodium channels (VGSC) are the direct targets for natural toxins and synthetic drugs that modulate cell excitability, or are the site for mutations causing ...

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Réacteurs nucléaires à caloporteur sodium

Réacteurs nucléaires à caloporteur sodium

... au sodium Les considérations de propriétés neutroniques (ralentissement minimum des neutrons), de température de fonctionnement, de stabilité physico-chimique, de disponibilité et de coût, ont d’abord conduit à ...

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Production of Sodium Dihydrogen Phosphate Using Sodium Chloride and Orthophosphoric Acid

Production of Sodium Dihydrogen Phosphate Using Sodium Chloride and Orthophosphoric Acid

... heating sodium dihydrogen phosphate (NaH 2 PO 4 ) at 500 °C for 5 ...of sodium chloride. So, it is of interest to get sodium orthophosphates and sodium phosphates, directly from ...

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Nanoporous Glasses for Nuclear Waste Containment

Nanoporous Glasses for Nuclear Waste Containment

... The drying procedure is crucial and must be extremely slow because otherwise it can lead to capillary phenomena that can destroy the gel network and break up the solid net- work. Alternative drying methods represent a ...

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Stress-corrosion mechanisms in silicate glasses

Stress-corrosion mechanisms in silicate glasses

... Silicate glasses are highly homogeneous and isotropic materials at scales larger than a few nanometres, thus making continuum descriptions well suited down to submicrometric ...

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Tunable luminescence from Ce-doped aluminoborosilicate glasses

Tunable luminescence from Ce-doped aluminoborosilicate glasses

... of glasses namely, lack periodicity and long range order, so the various Ce-centers are non-equivalent and their coordi- nation numbers with the surrounding ligands differ from one site to another one [12] ...

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Solubilité du sodium dans les liquides silicatés

Solubilité du sodium dans les liquides silicatés

... 1986). High alkali concentrations have been also documented in extra-terrestrial materials, such as for instance in the mesostasis of chondrules of some primitive meteorites (Hewins, 1991; Brearley and Jones, 1998; ...

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Modeling Viscosity of Molten Slags and Glasses

Modeling Viscosity of Molten Slags and Glasses

... 2.2.6 Parallel plate method The parallel plate method has been used for measuring high viscosities of glasses in the range from 5 to 11 on the logarithmic poise scale. The principle of a parallel-plate viscometer ...

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Spin glasses : experimental signatures and salient outcomes

Spin glasses : experimental signatures and salient outcomes

... In the mean-field theory of spin glasses [2], an infinite number of different pure states is obtained, yielding a very interesting and complex picture of the spin glass phase. This would imply that in a real ...

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Fractal free energy landscapes in structural glasses

Fractal free energy landscapes in structural glasses

... for glasses), would give κ = 2 [49], κ < 2 implies that fluctuations near jamming are divergently larger than for independent vibrations, in support of their cooperative nature [16, ...

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Study Of Fluoride Glasses Devitrification-based Magnesium

Study Of Fluoride Glasses Devitrification-based Magnesium

... ABSTRACT The kinetics of devitrification of fluoride glasses stabilized by magnesium fluoride when heated for some time between the glass transition and melting temperatures. The crystallization kinetics of AlF 3 ...

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Crosstalk Measurements of Shutter Glasses 3D Displays

Crosstalk Measurements of Shutter Glasses 3D Displays

... Two different displays combined with PC systems equipped with NVIDIA 3D vision active shutter glasses have been used in this study and they are: • Alienware Optx AW2310 1920x1080 pixels [r] ...

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Will Sodium Layered Oxides Ever Be Competitive for Sodium Ion Battery Applications?

Will Sodium Layered Oxides Ever Be Competitive for Sodium Ion Battery Applications?

... O3 sodium layered oxides in Na-ion full ...total sodium in the composite P2 Na ...starting sodium stoichiometry is mentioned as 1, however the actual composition is Na ...

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Mécanisme de la réabsorption rénale du sodium au cours du syndrome néphrotique : implication d'un nouveau canal à sodium

Mécanisme de la réabsorption rénale du sodium au cours du syndrome néphrotique : implication d'un nouveau canal à sodium

... de sodium aboutissant à une augmentation du secteur extracellulaire et à la formation d’oedèmes et ...de sodium et la constitution d’œdèmes au cours du syndrome néphrotique n’est pas entièrement ...de ...

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Solubilité du sodium dans les silicates fondus

Solubilité du sodium dans les silicates fondus

... Comprendre la relation composition - structure - propriétés physico-chimiques des silicates fondus est une des préoccupations majeures de différentes communautés scientifiques. En Sciences de la Terre, par exemple, ...

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On the structure of Ge–As–Te–Cu glasses

On the structure of Ge–As–Te–Cu glasses

... The aim of the present study is the determination of the short range order in GATC. Comparison of the structure of GAT and GATC glasses reveals how Cu atoms modify the Ge- As-Te covalent network. This question is ...

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