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1.
MODIFIED AlF3 AND LiF OXYFLUORIDE LITHIUM-SILICATE SCINTILLATION GLASS FOR NEUTRON DETECTION
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(Not-set)
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... of glasses were studied. It has been shown that the modification of glass by 2 mol. % aluminum fluoride does not lead to crystallization. Glasses exhibit luminescence in the UV region of the spectrum when ...
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2.
EFFECT OF CRYSTALLIZATION ON LOCAL STRUCTURE AND OPTICAL PROPERTIES OF THE GLASS OF 12.5Li2O–50GeO2–37.5P2O5 COMPOSITION
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(Not-set)
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... the presence of F+ centers in the glass has been revealed, and their concentration decreases as a result of glass crystallization. The estimated value of the band gap for the crystallized glass, i.e. for ...
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3.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 1. POWDERS SYNTHESIS
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(Not-set)
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In the present study, we presented a review progress in sol-gel method for the synthesis of powders of ferroelectric ceramics of the PbTiO3–PbZrO3 system, based on the controlled hydrolysis of mixtures ...
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4.
GLASS FILLERS BASED ON THE SrO–Al2O3–B2O3–SiO2 SYSTEM FOR DENTAL COMPOSITES
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(Not-set)
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... and no tendency to crystallization. It is shown that the developed glass filler provides a high level of biomedical, operational and functional properties of a dental composite based on it and competitiveness ...
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5.
FEATURES OF CRYSTALLIZATION OF LITHIUM-ALUMINOSILICATE GLASS MICROSPHERES OBTAINED IN A HIGH-TEMPERATURE PLASMA FLOW
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(Not-set)
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The influence of the spheroidization process in the flow of high-temperature plasma of glass based on the Li2O–Al2O3–SiO2 (LAS) system doped with 1.0 mol. % Nd2O3 on its crystallization properties is investigated. ...
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6.
Formation of the Structure
of Cast Glass-Crystalline Spinelide-Pyroxene Materials under
Non-Equilibrium Crystallization
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(Not-set)
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The method of image analysis revealed how non-equilibrium solidification conditions (contact with air, with a mold, without contact) affect the macrostructural parameters of glass-crystalline spinel-pyroxene ...
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7.
Glasscrystals Process of a Conception in Metasilicate Fusions
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(Not-set)
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Based on the concept of cybotaxic groups, a model of nucleation in metasilicate melts has been developed, which takes into account the thermodynamic and kinetic factors of phase transformation. The number ...
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8.
Interaction of Alkaline Medium of Concrete with Foam Ceramics
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(At the enterprises and institutes)
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... aggregates are chemically active. Transformations of foam ceramics include gelation of the pore walls with the formation of an alkaline aluminosilicate gel followed by its crystallization. This ensures ...
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9.
Crystalline phase formation in foamglass and its effect on material performance
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(Science for glass production)
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... etc.) are presented. The features of the technological process of the synthesis of foam glass are shown taking into account directional crystallization. It was found that to increase the strength of the ...
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10.
On the mechanism and thermodynamic modeling of metasilicate glassceramics crystallization
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(Science for glass production)
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On the basis of the developed concepts of the dynamic equilibrium of energy and matter fluxes during phase transitions in nonequilibrium open systems, a thermodynamic model is proposed that takes into ...
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11.
Sol-gel powder based forsterite ceramics
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(Science for ceramic production)
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To obtain highly dispersed, sintering-active forsterite powders, the sol-gel method was used. On the basis of these powders, a sufficiently strong and dense ceramic was obtained without additives at a ...
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12.
The effect of gas-medium on the glass surface crystallization
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(Science for glass production)
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The possibility of changing the surface properties of sitalls by crystallizing glass in a controlled gas environment is shown. The main gas reagents and their action in the process of glass heat treatment ...
