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21.
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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22.
GLASS-LIKE CARBON FROM SUPERCRITICAL FLUID IN THE C–O–H SYSTEM AT TEMPERATURE 800 ?C AND PRESSURE 500…1000 ATM
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(Not-set)
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The paper presents the results of experimental modeling of glass-like carbon synthesis from high pressure supercritical fluid in the C–O–H system at temperature 800 °C and pressure 500…1000 atm. A full ...
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23.
CERAMIC COMPOSITE MATERIALS IN THE Ca2P2O7–Ca3(PO4)2 SYSTEM BASED ON POWDER MIXTURES INCLUDING CALCIUM PHOSPHATE OF NATURAL ORIGIN AND MONOCALCIUM PHOSPHATE MONOHYDRATE
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(Not-set)
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Ceramics in the Ca2P2O7–Ca3(PO4)2 system were obtained from powder mixtures containing calcium hydroxyapatite Са10(РО4)6(ОН)2 of natural origin and monocalcium phosphate monohydrate Ca(H2PO4)2·H2O. Fish ...
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24.
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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25.
MEASUREMENT OF CHROMATIC BIREFRINGENCE DISPERSION OF PHASE PLATES, INSCRIBED IN GLASSES BY FEMTOSECOND PULSES
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(Not-set)
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Direct femtosecond laser writing of phase optical elements in glasses opens up new possibilities for controlling light beams and developing new functional devices that operate on the birefringence effect. ...
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26.
PRODUCTION OF GLASS-LIKE CARBON BY HIGH-ENERGY LASER TREATMENT ON A COAL TARGET
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(Not-set)
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Preliminary results of experimental modeling of impact process on coal substance by short-pulse laser radiation are presented. During the experiments extremely high temperatures and pressures have been ...
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27.
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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28.
INVESTIGATION OF THE CONDITIONS OF CERAMIC AND MECHANOCHEMICAL SYNTHESIS OF COMPOSITES CuO/ZnO/?-Al2O3
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(Not-set)
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In this work, using the methods of X-ray phase, X-ray diffraction, synchronous thermal analysis, scanning electron microscopy, low-temperature adsorption-desorption of nitrogen, the process of obtaining ...
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29.
EFFECT OF DYSPROSIUM DOPING ON MICROSTRUCTURE AND DEGREE OF TEXTURING OF BISMUTH TELLURIDE-BASED THERMOELECTRIC MATERIALS
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(Not-set)
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The purpose of this work was to prepare and identify the features of the microstructure and the degree of texturing of the thermoelectric material Bi2Te2.7Se0.3 doped with dysprosium. Textured Bi2-xDyxTe2.7Se0.3 ...
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30.
HIGH-TEMPERATURE CERAMOVERMICULITE THERMAL INSULATION ON A WOLLASTONITE BUNDLE
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(Not-set)
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Ceramovermiculite thermal insulation on a wollastonite bundle was obtained from chalk, diatomite and expanded vermiculite by the method of solid-phase synthesis of components. The influence of the granulometric ...
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31.
FEATURES IN MICROSTRUCTURE AND THERMOELECTRIC PROPERTIES OF THE COMPOSITES Bi2Te2,7Se0,3+Fe WITH FILLER INCLUSIONS OF CORE-SHELL TYPE
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(Not-set)
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Purpose of this work is to establish the features in the microstructure and thermoelectric properties of composites consisting of Bi2Te2.7Se0.3-based matrix and a Fe filler. The composition with a filler ...
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32.
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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33.
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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34.
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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35.
SYNTHESIS AND CHARACTERIZATION OF NEW PEROVSKITE-TYPE PbNaKNb2FeO9.5 CERAMIC
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(Not-set)
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Lead-containing perovskite of complex composition PbNaKNb2FeO9.5 (sp. gr. Pnma, a = 5.654 ± 0.003 ?, b = 7.977 ± 0.001 ?, c = 5.646 ± 0.003 ?) was synthesized for the first time by the solid-phase reaction ...
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36.
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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37.
FEATURES IN MICROSTRUCTURE AND THERMOELECTRIC PROPERTIES OF TWO-PHASED CERAMIC MATERIAL BASED ON HIGH-ENTROPY Bi–Sb–Te–Se–S SYSTEMS
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(Not-set)
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The aim of present work is to prepare by using the method of reactive spark plasma sintering, a ceramic material based on the high-entropy Bi–Sb-Te–Se–S system, the nominal composition of which corresponds ...
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38.
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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39.
GLASS FILLERS BASED ON THE SrO–Al2O3–B2O3–SiO2 SYSTEM FOR DENTAL COMPOSITES
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(Not-set)
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Dental composite ?lling materials based on glass in the SrO–Al2O3–B2O3–SiO2 system was obtained. The glass filler meets the modern level of requirements for filling materials, and is characterized by high ...
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40.
RESEARCH OF CERAMIC PROPERTIES OF CLAY OF THE ORENBURG REGION
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(Not-set)
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The project is devoted to the study of the ceramic properties of the Orenburg region clay in order to determine the fields of its application in industry. Mineral, chemical, disperse compositions, as well ...
