-
21.
SYNTHESIS OF MULLITE-SILICA CERAMICS WITH ENHANCED ELECTROPHYSICAL PROPERTIES
-
(Not-set)
-
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 ...
-
22.
ASSESSMENT OF THE EFFECT OF THE FLINAK SALT ADDITIVE ON THE PROPERTIES OF BOROPHOSPHATE GLASSES
-
(Not-set)
-
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 ...
-
23.
HEMATITE ORE OF THE KYZYLTASH DEPOSIT – A PROMISING RAW MATERIAL FOR CERAMIC PIGMENT
-
(Not-set)
-
The results of a study of the chemical and mineralogical composition of the mineral hematite from the Kyzyltash deposit before and after firing are presented, and methods for its enrichment are selected. ...
-
24.
SYNTHESIS AND CHARACTERIZATION OF ADVANCED SILICON CARBIDE-BORON CARBIDE CERAMIC COMPOSITES
-
(Not-set)
-
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 ...
-
25.
SOL-GEL SYNTHESIS OF NANOCRYSTALLINE ANTIMONY-CONTAINING CERAMICS FROM OXIDE PRECURSORS
-
(Not-set)
-
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 ...
-
26.
ASSESSMENT OF THE EFFECT OF LITHIUM CHLORIDE ON THE PROPERTIES OF BOROPHOSPHATE GLASS DURING THE IMMOBILIZATION OF RADIOACTIVE WASTE FROM PYROCHEMICAL PROCESSING OF SPENT NUCLEAR ...
-
(Not-set)
-
The paper presents the results of the studies of a matrix based on borophosphate glass (BFS) with the addition of lithium chloride as a simulator of spent electrolyte, a type of radioactive waste formed ...
-
27.
MECHANOCHEMICAL SYNTHESIS OF CuO/ZnO/Al2O3 OXIDE COMPOSITE FOR CATALYTIC SYSTEMS
-
(Not-set)
-
The paper investigates the process of “soft” mechanochemical synthesis of the CuO/ZnO/Al2O3 composite using copper/zinc hydroxocarbonates and aluminum oxide as feedstock. Using the methods of X-ray phase ...
-
28.
BENTONITE AS THE BASIS OF A GEOPOLYMER BINDER
-
(Not-set)
-
The physicochemical characteristics of the commercial bentonite S-4205-02 (Bentovin), as well as its structural parameters, are given. Clay agglomerates were mainly up to 10…20 ?m in size. X-ray spectral ...
-
29.
SYNTHESIS OF SILICON OXYCARBIDE COMPOSITE MODIFIED WITH TITANIUM OXIDE
-
(Not-set)
-
The work is devoted to the synthesis of silicon oxycarbide composite modified with titanium oxide by joint mechanical treatment of white soot and activated carbon with TiO2 particles deposited on its surface. ...
-
30.
PREPARATION OF MESOPOROUS COMPOSITE TiO2-MONTMORILLONITE IN SOFT HYDROTHERMAL CONDITIONS
-
(Not-set)
-
In this work, mesoporous TiO2-montmorillonite composites with hydrothermally activated impregnation (115 °C, 0.5…5.0 h) of a mechanically and thermally activated support with titanium polyhydroxocomplexes ...
-
31.
SYNTHESIS OF TITANIUM OXIDE POWDERS FROM VARIOUS TITANIUM SALTS AND STUDY OF ITS PROPERTIES
-
(Not-set)
-
In this work, a number of titanium oxide powders with different crystal structures and textural characteristics were synthesized. The initial raw materials were metallic titanium and rutile (rutile particle ...
-
32.
STRUCTURE AND OPTICAL PROPERTIES OF SOLID SOLUTIONS OF THE ZrO2–Sc2O3 SYSTEM OBTAINED BY CO-PRECIPITATION
-
(Not-set)
-
The structure of ZrO2–Sc2O3 powders in the composition range from 1 to 15 mol. % Sc2O3 with the addition of 0.1 mol. % Eu2O3 as a spectroscopic probe, obtained by the coprecipitation method and heat-treated ...
-
33.
GLASS-LIKE CARBON FROM SUPERCRITICAL FLUID IN THE C–O–H SYSTEM AT TEMPERATURE 800 ?C AND PRESSURE 500…1000 ATM
-
(Not-set)
-
The paper presents the results of experimental modeling of glass-like carbon synthesis from high pressure supercritical fluid in the C–O–H system at temperature 800 °C and pressure 500…1000 atm. A full ...
-
34.
FEATURES OF THE SYNTHESIS OF CERAMIC PARANIOBATE OF COMPOSITION YErYbNbO7
-
(Not-set)
-
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 ...
-
35.
LOW TEMPERATURE SYNTHESIS OF TUNGSTEN SILICATES WITH PYROCHLORE AND TUNGSTEN BRONZE STRUCTURE
-
(Not-set)
-
Polyoxotungssilicates with the general formulas Cat4[SiW12O40] ? mH2O and Cat6[SiW11O39Ni(H2O)] ? nH2O, where Cat = Rb+, Cs+, (CH3)4N+, were synthesized. Using IR spectroscopy and X-ray phase analysis, ...
-
36.
SYNTHESIS OF NANOCRYSTALINE Bi2Cr0.5Co0.5Nb2O9+? CERAMICS
-
(Not-set)
-
It has been shown that the modified sol-gel method (method Pechini) successfully synthesizes multielement oxides based on bismuth niobate, crystallizing in the pyrochlore structure type (space group Fd-3m). ...
-
37.
OXIDATION OF Cr (III) TO Cr (VI) IN THE SYNTHESIS OF BISMUTH-CHROMIUM OXIDE CERAMICS
-
(Not-set)
-
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, ...
-
38.
PROPERTIES OF POWDERS SYNTHESIZED FROM AQUEOUS SOLUTIONS OF SODIUM SILICATE AND IRON SULFATE
-
(Not-set)
-
The phase composition of the powder synthesized from aqueous solutions of sodium silicate Na2SiO3 and iron sulfate FeSO4 at the molar ratio Fe/Si = 2 according to X-ray diffraction (XRD) data included ...
-
39.
EFFECT OF CRYSTALLIZATION ON LOCAL STRUCTURE AND OPTICAL PROPERTIES OF THE GLASS OF 12.5Li2O–50GeO2–37.5P2O5 COMPOSITION
-
(Not-set)
-
The glass of 12.5Li2O–50GeO2–37.5P2O5 composition was synthesized by melt quenching. By means of its thermal annealing, single-phase LiGe2(PO4)3 composition was obtained, which is promising as a solid ...
-
40.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 1. POWDERS SYNTHESIS
-
(Not-set)
-
In the present study, we presented a review progress in sol-gel method for the synthesis of powders of ferroelectric ceramics of the PbTiO3–PbZrO3 system, based on the controlled hydrolysis of mixtures ...
