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21.
PHYSICAL AND MECHANICAL CHARACTERISTICS OF CERAMIC MATERIALS OF SYSTEMS ZrO2–Sm2O3 TWO-PHASE COMPOSITION
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(Not-set)
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Ceramic Materials of Compositions (mol. %) 97ZrO2–3Sm2O3 and 94ZrO2–6Sm2O3 based on nanosized powders synthesized by hydrolysis sol-gel method are obtained. It is shown that in ceramic materials a two-phase ...
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22.
ASSESSMENT OF THE EFFECT OF LITHIUM CHLORIDE ON THE PROPERTIES OF BOROPHOSPHATE GLASS DURING THE IMMOBILIZATION OF RADIOACTIVE WASTE FROM PYROCHEMICAL PROCESSING OF SPENT NUCLEAR ...
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(Not-set)
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The paper presents the results of the studies of a matrix based on borophosphate glass (BFS) with the addition of lithium chloride as a simulator of spent electrolyte, a type of radioactive waste formed ...
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23.
ENERGY- AND RESOURCE-SAVING PLASMA TECHNOLOGY FOR GLAZING OF AUTOCLAVE-HARDENED BUILDING MATERIALS
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(Not-set)
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An energy- and resource-saving plasma technology for glazing autoclaved building materials has been developed. It has been established that the introduction of colemanite into the initial charge makes ...
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24.
MECHANOCHEMICAL SYNTHESIS OF CuO/ZnO/Al2O3 OXIDE COMPOSITE FOR CATALYTIC SYSTEMS
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(Not-set)
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The paper investigates the process of “soft” mechanochemical synthesis of the CuO/ZnO/Al2O3 composite using copper/zinc hydroxocarbonates and aluminum oxide as feedstock. Using the methods of X-ray phase ...
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25.
MORPHOLOGY OF NICKEL AND COBALT OXIDES DEPOSITED ON VARIOUS SUBSTRATES
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(Not-set)
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The morphology of nickel and cobalt oxides deposited on various substrates, namely ?-alumina and silica gel, is investigated. The main purpose of the work was to study the effect of synthesis methods, ...
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26.
SYNTHESIS OF TITANIUM OXIDE POWDERS FROM VARIOUS TITANIUM SALTS AND STUDY OF ITS PROPERTIES
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(Not-set)
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In this work, a number of titanium oxide powders with different crystal structures and textural characteristics were synthesized. The initial raw materials were metallic titanium and rutile (rutile particle ...
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27.
STRUCTURE AND OPTICAL PROPERTIES OF SOLID SOLUTIONS OF THE ZrO2–Sc2O3 SYSTEM OBTAINED BY CO-PRECIPITATION
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(Not-set)
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The structure of ZrO2–Sc2O3 powders in the composition range from 1 to 15 mol. % Sc2O3 with the addition of 0.1 mol. % Eu2O3 as a spectroscopic probe, obtained by the coprecipitation method and heat-treated ...
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28.
MAIN TYPES OF DEFECTS OF QUARTZ CERAMIC BLANKS PRODUCED BY THE SLIP CASTING METHOD FROM WATER SLIPS
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(Not-set)
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In article main types of defects in ceramic blanks and the causes of their occurrence are considered. Comparative analysis of the two materials used – duralumin alloy and caprolon – in the making of cores ...
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29.
PRODUCTION OF POROUS CERAMICS ?-Al2O3–3YSZ WITH ADDITIVE OF ?(?)-Al2O3
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(Not-set)
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Porous ?-Al2O3–3YSZ ceramics were fabricated using slip casting, incorporating 15 wt. % submicron Al2O3 powders as sintering additives. These orders were synthesized via solution combustion synthesis using ...
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30.
GRANULAR CHEMOSORBENT BASED ON ZINC OXIDE SUPPORTED ON ?-Al2O3
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(Not-set)
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This article demonstrates the possibility of synthesizing a sulfur chemisorbent based on ZnO deposited on a granular ?-Al2O3 substrate by impregnation with an aqueous solution of zinc salt followed by ...
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31.
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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32.
SYNTHESIS OF NANOCRYSTALINE Bi2Cr0.5Co0.5Nb2O9+? CERAMICS
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(Not-set)
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It has been shown that the modified sol-gel method (method Pechini) successfully synthesizes multielement oxides based on bismuth niobate, crystallizing in the pyrochlore structure type (space group Fd-3m). ...
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33.
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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34.
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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35.
MATERIALS BASED ON BIOGLASS 45S5, DOPED WITH HEAVY ELEMENTS, FOR USE AS RADIOSENSITIZERS
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(Not-set)
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Glass and glass ceramics containing oxides of heavy metals (Bi, Ta, W) in amount of 40 wt. % were obtained for use in medicine as radiosensitizers. The properties of the composites were studied in vitro: ...
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36.
STUDY OF THERMAL PROCESSES IN POROUS ANODIC ALUMINUM OXIDE FILLED WITH PEROVSKITE
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(Not-set)
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A model has been constructed for the mathematical calculation of thermal processes occurring in hexagonally located cells in the form of articulated channels with filler. Using the proposed model, the ...
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37.
FILTER ELEMENTS BASED ON ALUMOSILIATE FIBERS FOR SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES – A REVIEW
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(Not-set)
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A review of oxide compositions, developed for ceramic aluminosilicate fibers -based filter elements modification for the purpose of the selective catalytic reduction of nitrogen oxides in the purification ...
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38.
INORGANIC FOAMED THERMAL INSULATION MATERIALS BASED ON MINERAL SILICA-CONTAINING RAW MATERIALS
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(Not-set)
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Thermal insulation and composite foamed inorganic materials with a reduced thermal conductivity of 0,064…0,076 W/(m·K) have been developed on the basis of technogenic silica-containing raw materials. The ...
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39.
FEATURES OF GLASS BATCH PREPARATION IN THE PRODUCTION OF COLORLESS SHEET GLASS WITH INCREASED TRANSPARENCY
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(Not-set)
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The features of glass batch preparation in the production colorless sheet glass with increased transparency are considered. A non-standard algorithm for dosing and loading selenium, cobalt oxide, erbium ...
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40.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 1: METHODS OF CALCIUM ZIRCONATE SYNTHESIS
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical properties of products based thereon. Methods for CaZrO3 production, such as solid-phase synthesis, electric ...
