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21.
GRINDING OF BIOGENIC SILICA
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(Not-set)
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The temperature regimes of the thermal extraction method for obtaining silicon dioxide from rice husk and various conditions of subsequent milling were investigated. Elemental, X-ray phase, petrographic ...
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22.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 2. SYNTHESIS OF FILM AND ROD STRUCTURES
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(Not-set)
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In the present study, we review current progress in sol-gel techniques for synthesis of ferroelectric powders, thin films and rods in lead zirconate-titanate system, as well as methods for obtaining controlled ...
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23.
THERMAL INSULATION PROPERTIES OF CERAMOVERMICULITE AND KERAMOPERLITE MATERIALS ON A WOLLASTONITE BOND AT HIGH TEMPERATURE
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(Not-set)
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... small amount of plagioclases is present in the material of the burnt samples, and an amorphous phase also appears. The physicomechanical properties of the charge and the fired samples were determined, ...
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24.
DEVELOPMENT OF CERAMIC BRICK COMPOSITIONS FOR RESTORATION OF HISTORICAL HERITAGES BASED ON LOESS–DEFECATE COMPOSITION
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(Not-set)
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... the study of physical and chemical processes during firing with the introduction of amorphous silica and calcium-containing waste as a defecate in the brick mass. Technological firing modes have been determined. ...
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25.
PROPERTIES OF POWDERS SYNTHESIZED FROM AQUEOUS SOLUTIONS OF SODIUM SILICATE AND IRON SULFATE
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(Not-set)
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... hydrated sodium iron sulfate Na2Fe(SO4)2·4H2O and X-ray amorphous product with the composition represented by hydrated iron and silicon oxides. The phase composition of the powder obtained by 4-times washing ...
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26.
ANALYSIS OF THE INFLUENCE OF BORATE AND FLUORIDE FLUXES ON THE SINTERING OF SILICATE RAW MATERIALS
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(Not-set)
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The effectiveness of using borate (borax) and fluoride (sodium fluoride) fluxes in the sintering of crystalline (sand) and amorphous (diatomite) silicate raw materials was considered. The change in the ...
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27.
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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... structure and optical properties of initial (amorphous) glass and crystallized glass were studied. An assessment of the influence of the effect of glass crystallization on these properties was carried ...
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28.
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM
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(Not-set)
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Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, ...
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29.
INFLUENCE OF TEMPERATURE ON THE PROPERTIES OF FREE LOADED INORGANIC OXIDE NANO POWDERS
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(Not-set)
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A comparative study was carried out on the possibility of controlling the average sizes of nano-sized powders of silicon dioxide and aluminum oxide obtained by electron beam evaporation, pyrogenic, liquid ...
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30.
SYNTHESIS OF A FRIT FOR OBTAINING ENAMEL COATING OF STEEL PIPES BY THE METHOD OF INDUCTION HEATING
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(Not-set)
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... completely amorphous. The frit meets the standard requirements for a 45 mm flow and a thermal expansion coefficient of 120?10–7 K–1. The enamel coating has a high chemical resistance to acids and alkalis. ...
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31.
MIDDLE RANGE ORDER IN GLASSES OF La2O3–Nb2O5–B2O3 AND BaO–Nb2O5–P2O5 SYSTEMS ACCORDING TO X-RAY TOTAL SCATTERING
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(Not-set)
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We have obtained the X-ray total scattering patterns at wavelength 0.20735 ? and corresponding to them radial distribution functions (RDF) of electron density for glasses in the La2O3–Nb2O5–B2O3 and BaO–Nb2O5–P2O5 ...
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32.
INVESTIGATION OF THE STRUCTURE AND INFLUENCE OF ION EXCHANGE ON THE MICROHARDNESS OF LOW-ALKALI TRANSPARENT GANITE GLASS-CERAMICS
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(Not-set)
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Transparent glass-ceramics are attracting more and more attention as a material for protecting the screens of electronic devices. The paper considers the possibility of carrying out ion-exchange of transparent ...
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33.
RESEARCH INFLUENCE OF THERMAL PLASMA ENERGY ON MORPHOLOGY AND PHASE COMPOSITION ALUMINUM SILICATE MICROSPHERES
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(Not-set)
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... powders after processing according to XRD data are amorphous. The X-ray diffraction patterns of particles processed in the turbulent regime of plasma jet outflow show a small Bragg peak of ?-quartz. This ...
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34.
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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35.
Possibility of Using Solid Fuel Combustion Wastes in Ecogeopolymer Technology of the Russian Arctic Zone CHPP
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(Not-set)
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... TETs-1. It was found that these materials are a promising raw material for the silicate industry, since in structure, chemical and phase composition they represent an amorphous aluminosilicate composition ...
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36.
Plasma Technology for the Production of Glass
Pellets Based on Waste from the Enrichment of Ferruginous Quartzite KMA
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(Not-set)
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A technology has been developed for producing glass microspheres in a plasma reactor based on the wastes of enrichment of ferruginous quartzites KMA. The regularities of the influence of the flow rate ...
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37.
Glass Layer Forming in Ceramic Matrix Composite after Impact of High-Enthalpy Flow
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(Not-set)
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The structure of the surface layer of ceramic composite materials (CMC) of the compositions HfB 2 & # 8211; SiC and SiC & # 8211; TiC after exposure to a flow of dissociated air has been investigated. ...
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38.
Synthesis and Properties of Chlorine-Fluorine-Silicate Lead Glasses Nd-Doped
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(Not-set)
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The glass transition region in the PbCl 2 & # 8211; PbF 2 & # 8211; PbO & # 8211; SiO 2 system was investigated and glasses were obtained, including number activated by neodymium. The mechanical, ...
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39.
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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40.
Optical Glass Doped with γ-Ga2O3 Nanocrystals for Visualization of UV-C Radiation
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(Not-set)
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In the system Me 2 O & mdash; Ga 2 O 3 & mdash; GeO 2 & mdash; SiO 2 < / sub> (Me = Li, Na) a glass was obtained that meets the requirements of GOST in terms of impossibility for optical glass ...
