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21.
INFLUENCE OF SULFATE-ION ADDITIVE AT DIFFERENT STAGES OF YAG:Cr CERAMICS FABRICATION ON THE OPTICAL PROPERTIES
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(Not-set)
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In this study, the influence of the quantitative content of sulfate ions at key technological stages of the synthesis of YAG:Cr ceramic powder on the optical properties of ceramics was investigated. The ...
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22.
CERAMICS WITH ULTRAHIGH PERMITTIVITY VALUES: COMPOSITIONS, SYNTHESIS METHODS AND PROPERTIES AT LOW AND MEDIUM FREQUENCIES
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(Not-set)
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An overview of dielectric materials with high (more than 10 000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric ...
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23.
INVESTIGATION OF THE KINETICS OF VACUUM SINTERING OF OPTICAL LUMINESCENT CERAMICS Y3-xScxA5O12:Cr
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(Not-set)
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The purpose of this work is to study the effect of scandium in the dodecahedral and octahedral positions of the garnet crystal lattice on the features of vacuum sintering of optical ceramics Y3-хScxAl2-yScyAl3O12:Cr, ...
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24.
INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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In this study, the changes in the morphology and degree of agglomeration of both precursor powders and ceramic YAG powders under varying grinding conditions was considered. The effect of these parameters ...
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25.
HEAT-RESISTANT MULTIFUNCTIONAL COATING FOR THE PROTECTION OF CORROSION-RESISTANT STEEL PARTS
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(Not-set)
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A new heat-resistant multifunctional glass-based coating has been developed in the BaO–B2O3–SiO2 system, which protects parts made of corrosion-resistant steels from high-temperature gas corrosion at temperatures ...
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26.
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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27.
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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28.
PROPERTIES OF HOLLOW GLASS MICROSPHERES PRODUCED IN A PROPANE-AIR FLARE
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(Not-set)
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Hollow glass microspheres from sodium borosilicate glass were obtained by high-temperature method, the composition of mass%: 10 Na2O; 8 CaO; 0,3 MgO; 0,2 Al2O3; 9 B2O3; 0,5 SO3; 72 SiO2. It is established ...
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29.
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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30.
ELECTRICAL CHARACTERISTICS OF BISMUTH-CONTAINING CERIUM OXIDE
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(Not-set)
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Ceramics Ce0.9Bi0.1O2 – ? was obtained by solid-phase synthesis. It is shown that the obtained samples have a cubic fluorite structure with the space symmetry group Fm3m. The electrical properties of the ...
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31.
FEMTOSECOND-LASER WELDING OF PHOSPHATE GLASS AND ZING–MAGNESIUM–ALUMINOSILICATE GLASS-CERAMICS
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(Not-set)
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The formation of stable connection between materials with different CTE via using femtosecond laser writing is demonstrated. The welding of phosphate glass (CTE = 120?10–7 K–7) to zinc-magnesium-alumosilicate ...
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32.
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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33.
CARBON FOOTPRINT OF THE LIFE CYCLE OF GLASS CONTAINER
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(Not-set)
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In this paper, we discuss glass containers as type of package for beverages characterized with the minimum negative environmental impact. We studied reports of independent researchers who described possible ...
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34.
SUBSTRATES FOR THE SURFACE ENHANCED RAMAN SPECTROSCOPY BASED ON NANOPOROUS GLASS ACTIVATED WITH SILVER PARTICLES
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(Not-set)
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Substrates for the surface enhance Raman spectroscopy (SERS) are being actively developed with the aim of precise detecting of the low concentrations of organic molecules. However, the complexity and cost ...
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35.
THE INFLUENCE OF MAGNETITE ON THE RADIO-ABSORBING PROPERTIES OF POROUS GLASS COMPOSITE IN THE HIGH-FREQUENCY REGION
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(Not-set)
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The effect of the addition of magnetite in the form of pyrite stubs on the physico-mechanical and radio-absorbing properties of the synthesized glass composite by the method of “cold” foaming is considered. ...
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36.
CERAMICS IN THE Na2O–CaO–SO3 SYSTEM AS A PROMISING INORGANIC POROGEN
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(Not-set)
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Ceramics with phase composition after firing in the range of 600 – 900 °C represented by anhydrous calcium sulfate CaSO4, and calcium sodium sulfates (Na0,8Ca0,1)2SO4 and Na6Ca(SO4)4 were obtained from ...
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37.
RESULTS OF COMPARATIVE STUDIES ON THE DURABILITY OF CUTTING CERAMIC PLATES WHEN TURNING HARDENED STEEL BLANKS
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(Not-set)
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The paper presents the results of a study on the durability of cutting ceramics: a replaceable polyhedral plate developed at NSTU and cutting ceramics WOK-60 when processing hardened steel blanks made ...
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38.
Crystallization and Luminescence of Ni2+-Doped ofGallium Germanosilicate Glass with Partial Substitution of Ga2O3 by Al2O3
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(Not-set)
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The effect of Al2O3 addition introduced by the substitution method on the crystallization and spectral-luminescent properties of gallium germanosilicate glasses with ?-Ga2O3:Ni2+ nanocrystals was studied. ...
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39.
Glass Composite Hardening with Multilayer Carbon Nanotubes Aligned with a Constant
Electric Field
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(Not-set)
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The effect of the electric field intensity and the percentage of multi-layer carbon nanotubes (MCNTs) on the strength of a composite consisting of unidirectional glass fibers has been studied. The results ...
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40.
Fly Ash as a Technogenic Raw Material for the Production of Re-fractory and Insulating Ceramic Materials (Review)
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(Not-set)
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A review of the literature on the production of fly ash at thermal power plants and the level of its processing in Russia and abroad is presented. The properties of fly ash and its fields of application ...