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1.
METHODS OF SYNTHESIS OF STARTING MATERIALS FOR CERAMICS BASED ON LANTHANUM CHROMITE (REVIEW)
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(Not-set)
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The review article examines classical and rarely used methods for synthesizing ceramic materials based on lanthanum chromite.
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2.
SYNTHESIS AND ELECTROPHYSICAL PROPERTIES OF CERAMIC SAMPLES OF SOLID SOLUTIONS OF THE (1 – x)BiFeO3–xBa(Ti1 – ySny)O3 SYSTEM
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(Not-set)
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The results of solid-phase synthesis of ceramic samples of a new system(1 – x)BiFeO3–xBa(Ti1 – ySny)O3 (x = 0…0,40, y = 0,05; 0,10) are presented. X-ray phase analysis confirmed that the synthesized samples ...
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3.
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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4.
SYNTHESIS AND CHARACTERIZATION OF ADVANCED SILICON CARBIDE-BORON CARBIDE CERAMIC COMPOSITES
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(Not-set)
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Materials based on silicon carbide (SiC) and the SiC–20B4C–1C–0.5B system were produced using spark plasma sintering. The properties of powder mixtures and finished products were studied using thermal ...
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5.
SOL-GEL SYNTHESIS OF NANOCRYSTALLINE ANTIMONY-CONTAINING CERAMICS FROM OXIDE PRECURSORS
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(Not-set)
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The article describes the features of the synthesis of a new oxide pyrochlore Bi2.7Ni0.7Mg0.46Sb2O10+? (sp. gr. Fd-3m, a = 10.4703 ?) containing antimony (V) and bismuth (III) cations from a stoichiometric ...
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6.
PLASMA SYNTHESIS OF BLACK-COLORED CERAMIC PIGMENT BASED ON VANADIUM PRODUCTION WASTE
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The technology of plasma synthesis of ceramic pigment based on vanadium waste has been developed. The chemical and phase composition of the pigment has been studied. The effect of a pigment based on waste ...
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7.
FEATURES OF GARNET PHASE FORMATION IN THE Y2O3–Lu2O3–Yb2O3–Ee2O3–Al2O3 SYSTEM IN THE SYNTHESIS OF NANOCRYSTALLINE LOW-AGGLOMERATED CERAMIC POWDERS BY COPRECIPITATION METHOD USING AMMONIUM ...
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(Not-set)
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For the first time a series of ceramic powders of the composition (Y1–xLux)3Yb0.15Er0.03Al5O12 (YLuAG) with a garnet structure in which the atomic ratio of Y3+/Lu3+ cations varied from 80/20 to 20/80, ...
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8.
FEATURES OF THE SYNTHESIS OF CERAMIC PARANIOBATE OF COMPOSITION YErYbNbO7
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(Not-set)
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The results of the synthesis of complex paraniobate of the composition YErYbNbO7 using various methods are presented. The chemical composition of the final synthesis products is determined. The features ...
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9.
SYNTHESIS OF Zn AND Mn CODOPED BISMUTH TANTALATE PYROCHLORE-TYPE CERAMICS
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(Not-set)
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Ceramic samples Bi2ZnxMn1–xTa2O9.5–? were synthesized for the first time using the solid-phase synthesis method. It was established that the samples contain the main phase of cubic pyrochlore (sp. gr. ...
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10.
SYNTHESIS OF NANOCRYSTALINE Bi2Cr0.5Co0.5Nb2O9+? CERAMICS
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(Not-set)
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... The synthesis temperature of a single-phase sample is 950 ?С, which is one hundred degrees lower than the calcination temperature in the traditional ceramic synthesis method. The average crystallite size, ...
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11.
OXIDATION OF Cr (III) TO Cr (VI) IN THE SYNTHESIS OF BISMUTH-CHROMIUM OXIDE CERAMICS
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(Not-set)
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Bismuth-containing chromates BixCrO1.5x+3 with a variable molar ratio of 1 ? n(Bi)/n(Cr) ? 38 were synthesized using
a ceramic method from Bi (III) and Cr (III) oxides. Depending on the n(Bi)/n(Cr) ratio, ...
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12.
SYNTHESIS OF CERAMIC PIGMENTS WITH WILLEMITE STRUCTURE AND THEIR USE IN OBTAINING BLUE GLAZES
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(Not-set)
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The ability of isovalent substitution of zinc and cobalt atoms in the structure of willemite Zn2SiO4 was studied, ceramic pigments with willemite structure of blue, violet and blue colors were synthesized. ...
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13.
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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... time, sintering temperature, grain size. The effect of dopants and the synthesis method on the value of characteristics of capacitor ceramics that can be used in the low-frequency and high-frequency range ...
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14.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 2. APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED ON CALCIUM ZIRCONA ...
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical characteristics of products based thereon. The main fields of application of ceramic and refractory materials ...
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15.
SYNTHESIS OF CERAMIC POWDERS OF HAFNIUM DIBORIDE BY CARBOTHERMAL RESTORATION METHOD
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(Not-set)
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The processes of obtaining hafnium diboride by the carbothermic reduction of hafnium oxide by heat treatment in a vacuum furnace and a spark plasma sintering installation have been studied. When the charge ...
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16.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 1: METHODS OF CALCIUM ZIRCONATE SYNTHESIS
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical properties of products based thereon. Methods for CaZrO3 production, such as solid-phase synthesis, electric ...
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17.
NANOCRYTALLINE GLASS CERAMICS BASED ON PERLITE: SYNTHESIS AND RESEARCH
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(Not-set)
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From a cheap perlite as the basic raw material an opaque glass-crystalline material was synthesized containing nanosized crystals of wollastonite and gehlenite with an average size of 100 nm. The phase ...
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18.
SYNTHESIS AND INVESTIGATION OF PROPERTIES OF MULLITE-CORUNDUM CERAMICS AS A COMPONENT OF CERAMIC COMPOSITE MATERIALS
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(Not-set)
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The paper studies the conditions for synthesis of mullite-corundum ceramics obtained on the basis of Al2O3 and SiO2. The composition of mullite-corundum ceramics with an Al2O3 content < 80 wt.% has been ...
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19.
SYNTHESIS AND STUDY OF THE OPTICAL AND SPECTRAL-LUMINESCENT PROPERTIES OF LuAG:Ce CERAMICS
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(Not-set)
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In this study, LuAG:Ce ceramic powders with compositions of Lu2.98Ce0.02Al5O12 and Lu2.93Ce0.07Al5O12 were synthesized using chemical precipitation. Luminescent ceramic samples were then produced from ...
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20.
INVESTIGATION OF THE CONDITIONS OF CERAMIC AND MECHANOCHEMICAL SYNTHESIS OF COMPOSITES CuO/ZnO/?-Al2O3
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(Not-set)
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In this work, using the methods of X-ray phase, X-ray diffraction, synchronous thermal analysis, scanning electron microscopy, low-temperature adsorption-desorption of nitrogen, the process of obtaining ...
