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21.
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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22.
GLASS-CRYSTALLINE COMPOSITE MATERIAL BASED ON SHUNGITE ROCK AND HELLEFLINTA
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(Not-set)
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A series of glass-crystalline composites were produced by heating at 1350 °C of powdered mixtures of helleflinta (quartz-feldspar waste from the Kostomuksha GOK) and 5, 10, 20 and 40 mass. % of shungite ...
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23.
RESEARCH OF THE DEPENDENCE OF THE THERMAL STRENGTH PROPERTIES OF REFRACTORY MATERIALS OF THE LADLE LINING OF THE FERROALLOY PRODUCTION ON TEMPERATURE
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(Not-set)
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The article is devoted to the study of the dependence of the change in compressive strength on temperature for refractory materials of the lining of a pouring ladle of ferroalloy production – fireclay ...
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24.
PROSPECTS OF USING CLAYEY RAW MATERIALS OF THE STOLINSKIE KHUTORA DEPOSIT FOR PRODUCING BUILDING CERAMICS
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(Not-set)
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... range of 900…1200 ?. The phase composition of the clay material, as well as the processes occurring upon heating were investigated. It was deter-mined that this clay can be used for producing ceramic bricks, ...
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25.
ULTRAFAST LASER WRITING OF WAVEPLATES IN POROUS GLASS
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(Not-set)
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... relative to fused silica. In situ measurements of birefringent plate retardance are performed for heating and cooling stages in the 20…650 ?С temperature range. Femtosecond laser-written birefringent elements ...
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26.
THE STUDY OF CERIUM DIOXIDE POWDER OBTAINED BY REVERSE DEPOSITION METHOD
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(Not-set)
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... The average particle size of the powder is ?42 microns, and the specific surface area is ?38.6 m2/g. A mass loss of 18 % occurs as a result of heating the material from 50 to 1200 °C. This mass loss is ...
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27.
IMPROVEMENT OF THE PHYSICO-MECHANICAL PROPERTIES OF FACING BRICKS THROUGH HYPERPRESSING BASED ON LOCAL RAW MATERIALS
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(Not-set)
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This work examines the main regularities in the formation of cement stone structure and the relationship between the properties of concrete mixes with various fillers and highly compressed materials obtained ...
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28.
GLASS FORMATION AND PHASE TRANSFORMATIONS IN THE TeO2–ZnO–MoO3 SYSTEM
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(Not-set)
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... interaction was observed between the initial binary oxides. However, upon further heating, complex oxide phases of tellurium (IV), zinc, and molybdenum (VI) (Te?MoO?, Zn?Te?O?, ZnMoO?, and ZnTeMoO?) were ...
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29.
LASER MODIFICATION OF GAS-THERMAL COATINGS SPRAYED BY HVOF – A REVIEW
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(Not-set)
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An overview of the research results on the laser modification of coatings sprayed by HVOF is presented. The review includes information on laser post-treatment of mainly on tungsten carbide-based coatings. ...
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30.
GRINDING OF BIOGENIC SILICA
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(Not-set)
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The temperature regimes of the thermal extraction method for obtaining silicon dioxide from rice husk and various conditions of subsequent milling were investigated. Elemental, X-ray phase, petrographic ...
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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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... The synthesis of tungstosilicates with a pyrochlore and tungsten bronze structure by thermolysis of polyoxotungssilicates reduces their production temperature to 600…650 ?C and heating time to 1 hour, ...
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32.
FABRICATION AND PROPERTIES OF CERAMICS/SINGLE CRYSTAL COMPOSITES BASED ON YTTRIUM ALUMINUM GARNET
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(Not-set)
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... after annealing in air. The effect of heating rate during vacuum sintering on the light transmission of composite samples was investigated. It was determined that the optimal heating rate during vacuum ...
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33.
THERMAL INSULATION PROPERTIES OF CERAMOVERMICULITE AND KERAMOPERLITE MATERIALS ON A WOLLASTONITE BOND AT HIGH TEMPERATURE
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(Not-set)
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... of materials at high temperature were determined by unilateral exposure of the sample to heat flow from the heating chamber of the muffle furnace. Samples from the developed materials have an apparent ...
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34.
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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35.
MINERALOGICAL FEATURESOF THE EXPANDED VERMICULITE ORES
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(Not-set)
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... during heating by differential scanning calorimetry. The obtained-information allowed us to conclude that this micaceousmineralis at the initial stage of metamorphism: disordered interlayer structure of ...
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36.
ALGICIDAL AND BACTERICIDAL PROPERTIES OF COPPER-CONTAINING GLASSY PHOSPHATE COMPOSITIONS
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(Not-set)
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... solutions inhibits the processes of bacterial reproduction, water bloom in them due to the fact that the protective phosphate film formed not only on the surface of heating elements, but also on the surface ...
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37.
Ecogeopolymers Based on Ash Waste CHPP – Prospective Materials for Road Construction in the Arctic Zone
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(Not-set)
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In the course of the study, the possibility of using ash and slag waste from the thermal power plant of the Arctic zone as raw materials for the production of porous ecogeopolymers was studied. The assessment ...
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38.
Study Y2O3–Al2O3–SiO2 System Coating Interaction with Water Vapors and Na2SO4 at Temperatures up to 1450 °C
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(Not-set)
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... of the crystallized sample of the
Y2O3–Al2O3–SiO2 system coating after heating in Na2SO4 salt vapor to a temperature of 1550 °С showed
that at temperatures above 900 °С Na2SO4 decomposes with the release ...
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39.
Production of Ceramic Materials Based on Gabbro Using Liquid Glass as a Binding Component
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(Not-set)
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... the com-ponents formed by heating gabbro are calculated by the method of physico-chemical modeling. The optimal conditions (powder dispersion, amount of binder, etc.) of the process under consideration ...
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40.
Energy-Saving Technology Decoration of Varietal Dishes By Plasma Spraying
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(Not-set)
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... The effect of high-temperature plasma torch exposure on changes in the chemical composition is investigated. The influence of the coating thickness and the preheating temperature of the product on the ...
