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1.
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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2.
ZINC OXIDE POWDERS OBTAINED USING DEEP EUTECTIC SOLVENTS
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(Not-set)
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A study was conducted on obtaining powders for microwave dielectrics from zinc oxide using deep eutectic solvents. As a result of using various solvents, a monophase ZnO powder is formed, the particle ...
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3.
OPTICAL PROPERTIES OF HIGH PURITY SYNTHETIC QUARTZ GLASS AFTER HYDROGENATION
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(Not-set)
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This paper presents the results of annealing synthetic quartz glass of high purity at a temperature of 250 ?C and an elevated pressure of 7 MPa in an atmosphere of molecular hydrogen. Annealing under these ...
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4.
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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... thicknesses (6…10 mm) mounted on ultra-high-molecular-weight polyethylene (UHMWPE) flexible backing (8…10 mm). Ballistic tests confirmed complete resistance to penetration in all tested panel configur ...
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5.
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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6.
SILICAS WITH ORGANOSILSESQUIOXANE FRAGMENTS AS ADSORBENTS FOR SEPARATION OF AIR MACRO COMPONENTS
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(Not-set)
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Silica adsorbents with organosilsesquioxane fragments containing organic radicals have been obtained for use in the adsorption separation of oxygen-argon mixtures by the PSA method. The sol-gel scheme ...
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7.
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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... which contributes to a stronger cement stone structure. The involvement of Van der Waals forces and valence bonds between filler particles and hydrated clinker minerals, as well as molecular interactions, ...
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8.
EFFECT OF HOT PRESSING CONDITIONS OF CVD-ZnSe POWDER ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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The paper studies the effect of vacuum hot pressing (VHP) conditions on the microstructure, density, and optical properties of ZnSe ceramics. Graphite and titanium foils, as well as powdered aluminum oxide, ...
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9.
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 ...
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(Not-set)
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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 ...
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10.
BENTONITE AS THE BASIS OF A GEOPOLYMER BINDER
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(Not-set)
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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 ...
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11.
SYNTHESIS OF SILICON OXYCARBIDE COMPOSITE MODIFIED WITH TITANIUM OXIDE
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(Not-set)
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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. ...
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12.
PREPARATION OF A COMPOSITE BASED ON HOLLOW GLASS MICROSPHERES MODIFIED WITH SILVER NANOPARTICLES
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(Not-set)
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Composite materials based on K 25 hollow glass microspheres were obtained by modifying them with silver nanoparticles obtained by an environmentally friendly “green” method using an aqueous plant extract ...
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13.
THERMOSTIMULATED FORMATION OF SILVER NANOAGGREGATES AND THEIR EFFECT ON THE PHOTOLUMINESCENCE OF Nd3+ IONS IN THE BARIUM-PHOSPHATE GLASS
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(Not-set)
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... glass using silver nanoaggregates.
The research demonstrates that thermally stimulated formation of Agmn+ molecular clusters multiplies the photoluminescence of Nd3+ ions in 15 folds, whereas the formation ...
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14.
CERAMIC COMPOSITE MATERIALS IN THE Ca2P2O7–Ca3(PO4)2 SYSTEM BASED ON POWDER MIXTURES INCLUDING CALCIUM PHOSPHATE OF NATURAL ORIGIN AND MONOCALCIUM PHOSPHATE MONOHYDRATE
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(Not-set)
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Ceramics in the Ca2P2O7–Ca3(PO4)2 system were obtained from powder mixtures containing calcium hydroxyapatite Са10(РО4)6(ОН)2 of natural origin and monocalcium phosphate monohydrate Ca(H2PO4)2·H2O. Fish ...
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15.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 2. SYNTHESIS OF FILM AND ROD STRUCTURES
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(Not-set)
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In the present study, we review current progress in sol-gel techniques for synthesis of ferroelectric powders, thin films and rods in lead zirconate-titanate system, as well as methods for obtaining controlled ...
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16.
FILTER ELEMENTS BASED ON ALUMOSILIATE FIBERS FOR SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES – A REVIEW
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(Not-set)
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A review of oxide compositions, developed for ceramic aluminosilicate fibers -based filter elements modification for the purpose of the selective catalytic reduction of nitrogen oxides in the purification ...
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17.
EFFECT OF CRYSTALLIZATION ON LOCAL STRUCTURE AND OPTICAL PROPERTIES OF THE GLASS OF 12.5Li2O–50GeO2–37.5P2O5 COMPOSITION
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(Not-set)
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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 ...
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18.
SYNTHESIS AND PROPERTIES OF CO-DOPED Sm3+/Gd3+ GLASS COMPOSITION B2O3–GeO2–Bi2O3
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(Not-set)
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Within the scope of the study, glasses co-doped with Sm3+/Gd3+ in the B2O3–GeO2–Bi2O3 system were synthesized,
covering compositions of 40B2O3–40GeO2–(15…17)Bi2O3–(3…2)Sm2O3–(2…1)Gd2O3 and 42,5B2O3–42,5GeO2–(11,25…12,75)Bi2O3–(2,25…1,50)Sm2O3–(1,500…0,075)Gd2O3. ...
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19.
POROUS CERAMIC SUBSTRATES FOR THE STUDY OF BIOLOGICAL OBJECTS BY ELECTRON MICROSCOPY
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(Not-set)
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The purpose of this work is to obtain ceramic filter materials as substrates and to develop a methodology for their application for the study of biological objects by electron microscopy. The composition, ...
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20.
TECHNOLOGICAL PROPERTIES OF CLAY RAW MATERIALS OF THE NORTHWEST ORENBURG REGION
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(Not-set)
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The chemical composition and technological properties of clay polymineral raw materials of the northwest of the Orenburg region have been studied. According to the chemical composition, the raw material ...
