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1.
PREPARATION OF FINE MAGNESIUM ALUMINATE SPINEL POWDER BY SHS: EFFECT OF NaCl MINERALIZER ON PHASE COMPOSITION AND DISPERSITY
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(Not-set)
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Magnesium aluminate spinel in a submicron state was obtained for the first time directly in a combustion wave by self-propagating high-temperature synthesis (SHS) from aluminum and magnesium oxides, using ...
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2.
PREPARATION OF NIOBIUM (V) OXIDE WITH CONTROLLED DISPERSITY AND MORPHOLOGY
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(Not-set)
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In this work, the effect of the annealing temperature and the chemical history of the precipitate on the morphology and phase composition of the Nb2O5 powder was studied. Nb2O5?nH2O precipitate and gel-like ...
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3.
Interaction in sodium sulphate - carbon batches of various dispersity
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(Science for glass production)
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We studied mixtures in the Na 2 SO 4 + C + SiO 2 system after heat treatment at different temperatures. A characteristic feature of the interaction at 900 ° C is the flotation of quartz grains with ...
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4.
The effect of glass batch dispersity on foamglass structure and properties
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(Science for glass production)
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The effect of the dispersity of the glass batch on the main parameters of the foam glass has been investigated. It has been established that the choice of a certain combination of the grain-size composition ...
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5.
OBTAINING YAG:Ce CERAMICS WITH HIGH LUMINESCENT PROPERTIES
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(Not-set)
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The precursor powder and luminescent ceramics YAG:Ce based on it were obtained by reverse chemical deposition. The influence of sintering additives (CaO, MgO and TEOS), the concentration of the activator ...
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6.
INFLUENCE OF SULFATE-ION ADDITIVE AT DIFFERENT STAGES OF YAG:Cr CERAMICS FABRICATION ON THE OPTICAL PROPERTIES
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(Not-set)
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... M and 0.045 M sulfate ions at the stage of precipitation or washing of the precipitate, respectively, resulted in achieving better dispersal characteristics and the highest monodispersity of precursor ...
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7.
INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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... mass of the grinding medium to the mass of the precursor powder of 4.5/1. These modes provide the necessary granulometric characteristics and the highest monodispersity. Therefore, it has been demonstrated ...
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8.
COLLOID-CHEMICAL PROPERTIES OF KAOLIN ZHURAVLINY LOG SUSPENSIONS
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(Not-set)
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Dispersion characteristics of the Zhuravliny Log kaolin, zeta potential, and apparent viscosity of its suspensions were studied. Kaolin suspensions had rather high stability due to the negative charge ...
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9.
Effect of synthesis temperature on AlMgB14 phase composition
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(Science for ceramic production)
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The effect of the synthesis temperature on the phase composition, size distribution and morphology of AlMgB 14 particles obtained by direct interaction of elemental Al, Mg and B powders with the addition ...
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10.
Sol-gel synthesis of anti-reflection mesoporous silica-based coat-ings
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(Science for glass production)
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The results of the synthesis of antireflection mesoporous coatings based on silicon dioxide obtained by acid hydrolysis of tetraethoxysilane (TEOS) in the presence of organic additives are presented. Investigations ...
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11.
Kinetics of foamglass formation at different heating rates
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(Science for glass production)
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The processes of glass powder melting, carbonate blowing agent decomposition and melt porization at different heating rates were investigated in order to identify the most optimal parameters of the technological ...
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12.
Sintering and crystallization processes in strontium-anortite ceramics production
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(Glassceramics)
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... of the influence of the dispersity of the initial glass powders and the temperature-time conditions of firing on the temperature and heat of crystallization, the nature of the precipitated phases, the ...
