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21.
The impact of thermochemical treatment of glass samples on its heat resistance and the nature of destruction
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(Science for glass production)
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The results of studies of the thermal stability of float glass samples with modified surfaces are presented. The nature of glass destruction during testing is shown. It was found that the thermochemical ...
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22.
Thermochemical transformation of ilmenite-leucoxene concentrate
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(Raw materials)
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... properties of an n-type ceramic semiconductor. The microstructure, chemical and phase compositions are described, the mechanical and electrophysical characteristics of the obtained material are investigated. ...
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23.
Heat insulation material based on the glass cut subjected to mechanochemical activation
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(Utilization of waste)
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... experimental studies carried out, it was found that the method of mechanochemical activation makes it possible to obtain a mixed alkaline binder, which is promising for the production of non-fired heat-insulating ...
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24.
ELECTRICAL PROPERTIES OF OXIDE CERAMICS WITH PYROCHLORE STRUCTURE CONTAINING MANGANESE AND NICKEL
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(Not-set)
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The electrical properties of bidoped oxide pyrochlore Bi6/5Mn1/3Ni1/3Ta4/3O6+? (sp. gr. Fd-3m, a = 10.5038(9) ?), synthesized for the first time by the solid-phase method, were studied. According to scanning ...
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25.
EFFECT OF CeO2 ON THE STRUCTURE AND PROPERTIES OF ALUMINA-ZIRCONIA CERAMICS PREPARED BY PRESSURELESS SINTERING AND HOT PRESSING
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(Not-set)
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The influence of ceria (CeO2: 0…3,56 wt. %) and sintering method (pressureless sintering in air, hot pressing in Ar) on the phase composition, microstructure, and properties of alumina-zirconia ceramics ...
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26.
HETEROVALENT SUBSTITUTION OF ZIRCONIUM IN NASICON SOLID SOLUTION (Na3Zr2Si2РO12)
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(Not-set)
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Fe-substituted ceramic materials of the NASICON family, corresponding to the generally accepted formula Na3+yМ(III)yZr2–ySi2PO12, with a dopant concentration from 5 to 20 mol. % were studied. Doping changes ...
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27.
LTCC-RESISTORS
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(Not-set)
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In this paper the experience of using regular and specially developed resistive pastes for resistors compatible with LTCC substrates is reviewed. Characteristics of surface, buried, and 3D resistors manufactured ...
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28.
STUDY OF DEGRADATION OF LUMINESCENT PROPERTIES OF ERBIUM-DOPED ZINC-TELLURITE GLASSES UNDER TROPICAL CLIMATE CONDITIONS
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(Not-set)
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Glasses in the TeO2–ZnO system doped with Er3+, Yb3+, Nd3+ were studied. The influence of the synthesis atmosphere on the properties was determined. The photoluminescence intensity, absorption, refractive ...
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29.
ON HIGH-TECH APPLICATIONS OF ZIRCONIUM DIOXIDE, PARTIALLY STABILIZED WITH YTTRIUM OXIDE (REVIEW)
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(Not-set)
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... excellent resistance to extreme temperature loads, making it an ideal solution for protecting critical components. Various methods of applying such coatings, including plasma spraying and chemical deposition ...
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30.
SUSTAINABLE DEVELOPMENT OF SHOUSHAN STONE WASTE IN GLAZE MATERIALS: STUDY ON COLORATION MECHANISM AND DURABILITY
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(Not-set)
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... blue glazes. Physicochemical performance tests indicate that the glaze layer exhibits excellent thermal shock resistance, mechanical strength, and environmental friendliness. The SiO?, Al?O?, K?O, and ...
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31.
ULTRA-SOFT X-RAY SPECTROSCOPY STUDY OF CHROMIUM-DOPED TITANIUM CALCIUM-COPPER CaCu3Ti4O12
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(Not-set)
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A series of chromium-containing solid solutions CaCu3Ti4 – 4хСr4хO12 – ? (sp. gr. Im3) were obtained by the solid-phase synthesis method. The unit cell parameter of the solid solutions changed insignificantly ...
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32.
CORROSION AND HEAT-RESISTANT NANOPOROUS CERAMIC MATERIALS BASED ON Y2O3 AND ?-Al2O3
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(Not-set)
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Porous ceramic materials, including those with the addition of ?-Al2O3 of the order of 10 %, were obtained on the basis of yttrium oxide, which is inert to sintering and has cubic syngony. The characteristics ...
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33.
ASSESSMENT OF THE EFFECT OF THE FLINAK SALT ADDITIVE ON THE PROPERTIES OF BOROPHOSPHATE GLASSES
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(Not-set)
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... the transformation of the local structure of the glass and the formation of the crystalline phase, which will be further studied in more detail. Studies of the chemical and mechanical stability of the ...
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34.
HEAT-INSULATING MATERIALS BASED ON EXPANDED ROCKS OF UZBEKISTAN
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(Not-set)
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... in the form of expanded rocks (hydrophlogopite, perlite) using the technology of ceramic or ceramic-chemical binders based on clay raw materials of varying fire resistance and plasticity. The study of ...
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35.
ULTRAFAST LASER WRITING OF WAVEPLATES IN POROUS GLASS
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(Not-set)
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In this paper, we show fast femtosecond laser writing of birefringent waveplates in nanoporous glass (NPG) volume. The possibility of laser writing acceleration on the order of magnitude is shown in NPG ...
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36.
ROBOT BDTR-500: MODERN SOLUTIONS FOR CRACK DIAGNOSTICS IN TUBES WITH SILICATE-ENAMEL COATING
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(Not-set)
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The article presents the successful project of the BDTR-500 robot, designed for diagnosing cracks in pipes with a silicate-enameled coating. Key achievements of the system include the use of GPS navigation ...
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37.
PREPARATION OF SELECTIVE VANADIUM-CONTAINING LAYERS ON THE OUTER SURFACE OF a?-Al2O3 BASED TUBULAR CERAMIC MEMBRANES
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(Not-set)
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The processes of obtaining selective vanadium-containing layers on the outer surface of tubular ceramic membranes based on a-Al2O3 for use in the petrochemical industry have been studied. A layer of V2O5?1.6H2O ...
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38.
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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39.
SYNTHESIS OF SILICON OXYCARBIDE COMPOSITE MODIFIED WITH TITANIUM OXIDE
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(Not-set)
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The work is devoted to the synthesis of silicon oxycarbide composite modified with titanium oxide by joint mechanical treatment of white soot and activated carbon with TiO2 particles deposited on its surface. ...
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40.
SYNTHESIS OF TITANIUM OXIDE POWDERS FROM VARIOUS TITANIUM SALTS AND STUDY OF ITS PROPERTIES
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(Not-set)
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... to 92 m2/g by simple chemical transformations is proposed, which involves thermal decomposition of synthesized titanium halides. The best of the synthesized anatase samples had the shape of irregular polyps, ...
