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21.
Researches of the Mechanism of Brittle Fracture of the Cutting Ceramics
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(Science for ceramic production)
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A study was made of the cyclic strength of domestically produced oxide-carbide ceramics during the processing of hardened steel samples installed in the faceplate body under intermittent turning conditions. ...
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22.
Influence of various coal preparation waste on mechanical behavior and phase composition of heat insulation materials
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(Utilization of waste)
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Heat-insulating ceramic materials were obtained on the basis of coal preparation waste: flotation waste of coal preparation of GOF "Tomusinskaya", slimes of flotation coal preparation (coal slimes ...
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23.
INFLUENCE OF CONDITIONS AND MODES OF MIXTURE PREPARATION ON THE STRUCTURE AND STRENGTH OF SULFUR CONCRETE
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(Not-set)
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One of the main disadvantages of sulfur concrete is the formation of a crack defect when cooled in metal molds. The proposed way of using sequential addition of components, temperature control at the entire ...
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24.
INFLUENCE OF THE RARE-EARTH FLUORIDES ADDITIVE ON THE STRUCTURE AND PROPERTIES OF THE BOROPHOSPHATE GLASSES
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(Not-set)
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In this work, we investigated borophosphate glasses with additions of 0.5 to 1.5 mol. % of rare-earth fluorides LnF3 (Ln = La, Ce, Nd), considered as simulants of radioactive waste from the now developing ...
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25.
THE EFFECT OF ZIRCONIUM DIOXIDE NANOPARTICLES ON THE PROPERTIES OF CORUNDUM CERAMICS BASED ON RUSSIAN RAW MATERIALS
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(Not-set)
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The effect of various concentrations of zirconium dioxide nanoparticles on the strength and porosity of corundum ceramics obtained from domestic raw materials has been studied. The effect of an additive ...
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26.
ELECTRON-BEAM POWDER SURFACING OF Al2O3 ONTO TITANIUM IN THE FORE-VACUUM PRESSURE RANGE WITH PRELIMINARY POWDER DEGASSING
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(Not-set)
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The results of producing an Al2O3 composite coating on titanium by electron-beam cladding in the forevacuum pressure range (3…30 Pa) are presented. The microstructure, phase composition, and mechanical ...
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27.
ELECTRON BEAM SINTERING OF ALUMINA-BASED COMPOSITE CERAMICS WITH COPPER ADDITION IN THE FORE-VACUUM PRESSURE RANGE
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(Not-set)
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The effect of electron-beam sintering in the fore-vacuum pressure range (8…10 Pa) on the density, structure, and phase composition of the sintered Al2O3–Cu composite with a component mass ratio of 10:1 ...
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28.
FINISHING OF THE SURFACE OF CORUNDUM CERAMICS WITH AN ARGON CLUSTER-ION BEAM
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(Not-set)
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The effectiveness of an argon ion cluster beam for polishing the surface of corundum ceramics was investigated. Using atomic force microscopy, changes in the surface relief of VK-100 ceramics were studied ...
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29.
DEVELOPMENT OF NANOMODIFIED CEMENT USING MICROSILICA, POLYCARBOXYLATE AND DUNE SAND: OPTIMIZATION OF COMPOSITION AND STRENGTH CHARACTERISTICS
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(Not-set)
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This study presents the development and experimental validation of nanomodified cement obtained by joint grinding of clinker, gypsum, microsilica, polycarboxylate superplasticizer, and dune sand. The optimal ...
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30.
INVESTIGATION OF THE EFFECT OF MECHANOACTIVATION OF LOCAL RAW MATERIALS ON THE STRENGTH PROPERTIES OF SULFURE CONCRETE
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(Not-set)
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... concrete and to obtain sulfur concrete materials with a high level of physical and mechanical properties and with a strength class up to B45. The influence of the method of mechanical activation of mineral ...
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31.
MODIFIED AlF3 AND LiF OXYFLUORIDE LITHIUM-SILICATE SCINTILLATION GLASS FOR NEUTRON DETECTION
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(Not-set)
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Lithium-silicate scintillation glasses doped with rare earth ions are promising materials for neutron detectors. Oxyfluoride glasses, due to modification by fluorine, have improved spectral and mechanical ...
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32.
DEVELOMENT OF MANUFACTURING TECHNOLOGY OF HIGH-TEMPERATURE CERAMICS BASED ON ZIRCONIUM DIBORIDE BY PRESSURELESS SINTERING
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(Not-set)
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... determined. The influence of the maximum by pressureless sintering temperature on the microstructure, physical and mechanical properties of ZrB2-based ceramic were investigated. Thermal physical properties ...
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33.
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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34.
TESTING POLYMER COATINGS FOR THE PURPOSES OF RESTORING AND REPAIRING CONCRETE STRUCTURES AT THE YAKUTSK CLIMATE STATION
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(Not-set)
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... the bond between the coating and concrete. Frequent temperature fluctuations accelerate this process. It was established that the physical and mechanical properties of the coatings are determined by the ...
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35.
STUDY OF CHARACTERISTICS OF ADHESIVE PERMANENT JOINTS IN REACTION-SINTERED CERAMIC MATERIALS BASED ON SILICON CARBIDE
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(Not-set)
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... of carbide and carbon particles. The joints have the following key structural physical and mechanical characteristics depending on the ratio of the phase components formed in the volumetric joining zone: ...
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36.
MAGNESIA RAW MATERIALS OF UZBEKISTAN FOR THE PRODUCTION OF REFRACTORIES
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(Not-set)
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... magnesian-silicate and magnesian-ferrous module for the production of refractory materials are presented. The results of determining the physical and mechanical properties of fired test samples at temperatures ...
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37.
EVALUATION OF ARMOR PROPERTIES OF DIAMOND-SILICON CARBIDE CERAMIC MATERIAL FABRICATED BY REACTION SINTERING TECHNOLOGY
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(Not-set)
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This study demonstrates the functional advantages of reaction-sintered diamond-silicon carbide (D–SiC) ceramics for armor applications compared to conventional materials including silicon carbide, boron ...
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38.
CORROSION AND HEAT-RESISTANT NANOPOROUS CERAMIC MATERIALS BASED ON Y2O3 AND ?-Al2O3
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(Not-set)
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... revealed any degradation of the physical and mechanical characteristics of the samples. Experimental studies of the separation of solid and liquid components of suspensions on porous ceramic membranes ...
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39.
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 paper presents the results of the studies of borophosphate glasses containing an additive of the FLiNaK salt, an eutectic mixture of alkali metal fluorides of the composition 46.5 mol. % LiF – 11.5 ...
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40.
CORUNDUM CERAMICS BASED ON RUSSIAN RAW MATERIALS WITH A REDUCED SINTERING TEMPERATURE
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(Not-set)
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The physico-mechanical properties of corundum ceramics based on domestic alumina grade Г-00 have been studied. It was found that the best mechanical strength indicators were obtained for ceramics fired ...
