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1.
Effect of Phase Composition on the Endurance of the Ceramic Facing of the Samarkand Shakhi-Zinda Ensemble
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(At the enterprises and institutes)
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It was determined by X-ray phase and electron microscopic methods of analysis that wollastonite and anorthite give the strength properties to the ceramic facings of the Shakhi-Zinda ensemble. In addition, ...
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2.
Kanasit: a promissing raw meterial for glass melting
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(Raw materials)
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A method for producing glass "bypassing the liquid phase" has been scientifically substantiated and developed. production of glass "from below" based on kanazite synthesized by hydrothermal ...
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3.
SYNTHESIS OF GREEN LUMINESCENT BLUE PIGMENTS FROM PHOSPHOGYPSUM
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(Not-set)
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The paper investigates the possibility of obtaining green inorganic pigments with the simultaneous presence of luminescent properties during the heat treatment of chemical industry waste phosphogypsum. ...
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4.
INFLUENCE OF SOLID-STATE SYNTHESIS TEMPERATURE ON THE CRYSTAL STRUCTURE AND ELECTRICAL PROPERTIES OF CaCu3Ti4O12 CERAMICS
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(Not-set)
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Calcium-copper titanate (CaCu3Ti4O12/CСTO) is a highly demanded material for its colossal dielectric constant and temperature stability. CСTO has many applications as sensors, microwave absorbers, etc. ...
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5.
THE INFLUENCE OF SiC ADDITIVE ON THE FORMATION OF PHASE COMPOSITION AND MECHANICAL PROPERTIES OF Al2O3–ZrB2 CERAMIC COMPOSITES
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(Not-set)
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The effect of silicon carbide on the microstructure, phase composition, and mechanical properties of Al2O3–ZrB2 composites was investigated. It was found that in the binary Al2O3–ZrB2 composite, the aluminum ...
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6.
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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7.
PREPARATION OF FINE MAGNESIUM ALUMINATE SPINEL POWDER BY SHS: EFFECT OF NaCl MINERALIZER ON PHASE COMPOSITION AND DISPERSITY
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(Not-set)
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Magnesium aluminate spinel in a submicron state was obtained for the first time directly in a combustion wave by self-propagating high-temperature synthesis (SHS) from aluminum and magnesium oxides, using ...
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8.
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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9.
STUDY OF THE HOMOGENEITY OF THE CHEMICAL COMPOSITION OF LEAD-GERMANATE GLASSES BY LASER-INDUCED BREAKDOWN SPECTROSCOPY METHOD
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(Not-set)
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Lead-germanate glasses are a promising material for creating optical elements. However, producing such glasses with a high degree of homogeneity is associated with several technological challenges. During ...
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10.
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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This paper presents the results of investigation on obtaining ZrB2-based ceramic by the method of slip casting followed by pressureless sintering. Optimal parameters for forming complex-shaped blanks were ...
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11.
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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12.
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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13.
STRUCTURE AND ELECTRICAL PROPERTIES OF MULTILAYER CERAMIC MATERIALS BASED ON MODIFIED POTASSIUM POLYTITANATES
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(Not-set)
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Some ceramic materials formed by sintering layered green bodies formed the compacted powders of the basic potassium polytitanate and this one modified with Mn compound are produced and investigated. Using ...
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14.
DEVELOPMENT OF TECHNOLOGY FOR THE SYNTHESIS OF HEAT-INSULATING GLASS-CRYSTALLINE MATERIALS BASED ON DRILLING MUD BY HYDRATE FOAMING
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(Not-set)
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This paper presents a study of the possibility of synthesizing a thermal insulation material, sludge, based on oil production drilling waste. Samples of drilling mud were collected at the Komsomolskoye ...
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15.
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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16.
SYNTHESIS OF MULLITE-SILICA CERAMICS WITH ENHANCED ELECTROPHYSICAL PROPERTIES
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(Not-set)
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Presents the results of the synthesis of mullite-silica ceramics with improved electrophysical characteristics based on natural kaolinite raw materials extracted in the Orenburg region. The main attention ...
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17.
INFLUENCE OF NANODISPERSED ALUMINUM OXIDE ON THE PHYSICAL AND MECHANICAL PROPERTIES OF TECHNICAL CERAMICS
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(Not-set)
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The article presents the results of a study on the development of a composition of technical ceramics for ceramic grinding bodies and the influence of dispersed oxide on its basic properties. It is shown ...
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18.
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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The technological properties of clay raw materials from the Stolinskiye Khutora deposit (Vidibor area, Brest region) were studied, which allowed it to classify according to GOST 9169–2021. It was found ...
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19.
APPLICATION OF OIL SLUDGE AS A BURNOUT ADDITIVE IN FIRING OF ALMOSILICATE CERAMICS
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(Not-set)
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The possibility of using pyrolysis products of oil-containing waste, including oil sludge, in the synthesis of porous ceramics is shown. High carbon content in pyrolysis products of oil sludge determines ...
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20.
HEAT-INSULATING MATERIALS BASED ON EXPANDED ROCKS OF UZBEKISTAN
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(Not-set)
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... Samarkand kaolin” and “expanded perlite-secondary Samarkand kaolin-clay phosphate binder on red-burning clay”, thermal insulation materials with improved thermomechanical properties for operating temperatures ...
