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21.
LOW TEMPERATURE SYNTHESIS OF TUNGSTEN SILICATES WITH PYROCHLORE AND TUNGSTEN BRONZE STRUCTURE
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(Not-set)
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Polyoxotungssilicates with the general formulas Cat4[SiW12O40] ? mH2O and Cat6[SiW11O39Ni(H2O)] ? nH2O, where Cat = Rb+, Cs+, (CH3)4N+, were synthesized. Using IR spectroscopy and X-ray phase analysis, ...
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22.
STRUCTURAL FEATURES AND PROPERTIES OF SODIUM-RUBIDIUM ALUMINOBOROSILICATE GLASSES WITH THE ZIRCONIUM ADDITION
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(Not-set)
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The structure of matrix materials synthesized quenching sodium-rubidium aluminoborosilicate melts with the zirconium addition was studied using vibrational spectroscopy. The significant influence of zirconium ...
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23.
INFLUENCE OF TECHNOLOGICAL FACTORS ON MECHANICAL STRENGTH OF PERICLASE-CARBON REFRACTORIES
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(Not-set)
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The paper presents the results of research on the influence of humidity, heat treatment temperature, fractional composition of periclase, time of aging before heat treatment, the amount of carbon in the ...
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24.
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 glass of 12.5Li2O–50GeO2–37.5P2O5 composition was synthesized by melt quenching. By means of its thermal annealing, single-phase LiGe2(PO4)3 composition was obtained, which is promising as a solid ...
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25.
INFLUENCE OF REFRACTORY FILLERS ON THE PROPERTIES OF CERAMICS BASED ON HIGH CONCENTRATED SILICA GLASS SUSPENSIONS
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(Not-set)
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Refractory and heat-resistant materials with a coarse-grained and large-porous structure were obtained using silica glass suspensions with mullite, spinel, corundum and quartz fillers. The influence of ...
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26.
INFLUENCE OF NICKEL SLAGS ON STRUCTURAL CHANGES IN CERAMIC BRICKS
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(Not-set)
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During the study using electron microscopy, the structural features of ceramic brick samples with minimum and maximum slag content at the micro-, macro- and meso-level were determined. The method of mercury ...
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27.
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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28.
LASER FORMATION OF LUMINESCENT TRACKS IN BISMUTH-DOPED NANOPOROUS GLASS
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(Not-set)
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The formation of microtracks in the volume of porous glass samples by femtosecond laser pulses which is of importance for laser writing of active optical waveguides was studied. It was found that impregnation ...
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29.
PREPARATION, STRUCTURE AND IONIC CONDUCTIVITY OF THE M0.9Y0.1O2–?–BiScO3 (M = Zr, Ce)
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(Not-set)
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Samples of Zr0.9Y0.1O2–?–BiScO3 and Сe0.9Y0.1O2–?–BiScO3 solid solutions were obtained by solid-phase synthesis. X-ray diffraction revealed that the Zr0.9Y0.1O2–?–BiScO3 system corresponds to a tetragonal ...
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30.
CHARACTERISTICS OF GLASSES IN PRODUCTS OF EXPERIMENTAL MODELING OF IMPACT MELTS
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(Not-set)
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The transformation of substances under extremely high pressures and temperatures is an actual direction both in the field of solid state physics and materials science, and for natural objects. Among the ...
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31.
FACING BUILDING MATERIAL BASED ON MECHANICALLY ACTIVATED CULLET MODIFIED WITH SODIUM HYDROXIDE
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(Not-set)
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The technology of facing material based on mechanically activated cullet modified with sodium hydroxides has been developed. The phase composition, macro- and microstructure of the lining material are ...
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32.
INFLUENCE OF THE MINERALOGICAL COMPOSITION OF CLAYS ON THE CAPILLARY-POROUS STRUCTURE AND FROST RESISTANCE OF CERAMIC BRICKS
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(Not-set)
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The influence of the mineralogical composition of clays on the microstructure and frost resistance of ceramic bricks has been studied. The pore radii were calculated by the method of capillary water saturation ...
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33.
TECHNOLOGIES FOR OBTAINING FLEXIBLE THERMAL INSULATION MATERIAL
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(Not-set)
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The main directions of application of flexible heat insulating materials and traditional technologies for producing non-woven materials are considered. Various ways of fastening fibers are analyzed, such ...
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34.
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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35.
GLASSY FUNCTIONAL FILLERS OF GLASS IONOMER CEMENTS IN THE SrO–Al2O3–P2O5–SiO2–F SYSTEM
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(Not-set)
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Based on glass in the SrO–Al2O3–P2O5–SiO2–F system, functional glass fillers for glass ionomer cements containing up to 13 wt. % fluorine were obtained. The high level of radiopacity of the filling material ...
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36.
STUDY OF THE MICROSTRUCTURE AND PHASE FORMATION IN CERAMICS BASED ON Zn, Sn AND Ti OXIDES
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(Not-set)
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Ceramics was obtained from the mixture of ZnO, SnO2 and TiO2 nanopowders by the method of solid-state sintering at 1123 K and 1443 K. The indicated nanopowders are used as components in arc dampers and ...
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37.
ON THE APPLICATION OF CERAMICS IN DEEP WATER BUOYANCY MODULES
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(Not-set)
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Today ceramic materials occupy more and more new niches of application. These include deep-water apparatuses for various purposes. For example, at present time oil production industry confronts the problem ...
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38.
PROTECTIVE TECHNOLOGICAL COATING BASED ON ZrO2–BaO–B2O3–SiO2 SYSTEM FOR PROTECTION OF HEAT-RESISTANT NICKEL ALLOY WITH SINGLE-CRYSTAL STRUCTURE DURING HEAT TREATMENT
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(Not-set)
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The purpose of this work was developing of protective technological coating for protection of heat-resistant nickel alloy with single-crystal structure ZHS30 during high-temperature homogenization. Based ...
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39.
METHOD FOR ELIMINATION OF FLATNESS DEFECTS ON GLASS PLATES FOR THEIR THERMAL JOINING
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(Not-set)
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A method has been developed to eliminate gaps between glass plates during thermal bonding using a system for distributing the mechanical load. Theoretical and experimental studies of the proposed method ...
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40.
INFLUENCE OF CARBON NANOSUBSTRUCTURES ON THE PHYSICAL AND EXPLOITATION PROPERTIES IN STRUCTURAL CERAMICS IN THE Al2O3–ZrO2 SYSTEM
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(Not-set)
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The influence of the concentration of decorated carbon nanotubes and the influence of the concentration of eutectic additives, as well as the effect of the firing regime on the strength characteristics ...
