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1.
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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2.
INVESTIGATION OF THE CHEMICAL RESISTANCE OF OXYCHLORIDE LEAD BORATE GLASSES DOPED WITH NEODYMIUM AND THE STABILITY OF THEIR LUMINESCENT PROPERTIES IN THE CLIMATIC CONDITIONS OF SOUTH-EAST ASIA
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(Not-set)
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The chemical resistance of glasses in the PbCl2–PbO–B2O3–NdF3 system has been studied. Oxochloride lead-borate glasses have demonstrated good water resistance and alkali resistance, while low acid resistance. ...
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3.
INFLUENCE OF REFRACTORY FILLERS ON THE PROPERTIES OF CERAMICS BASED ON HIGH CONCENTRATED SILICA GLASS SUSPENSIONS
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(Not-set)
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Refractory and heat-resistant materials with a coarse-grained and large-porous structure were obtained using silica glass suspensions with mullite, spinel, corundum and quartz fillers. The influence of ...
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4.
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM
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(Not-set)
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Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, ...
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5.
CERAMIC-FORMING ORGANOSILICON POLYMER AS A MODIFIER OF HEAT-INSULATING SYNTHETIC MATERIAL
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(Not-set)
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The paper presents the results of obtaining hardened synthetic carbon materials that can be used for technical thermal insulation under conditions of elevated pressures and temperatures. The hardened syntactic ...
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6.
NUCLEATION AND CRYSTALS GROWTH IN THE VOLUME OF GLASS Li2O–Al2O3–SiO2 SYSTEM
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(Not-set)
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The crystallization properties of multicomponent glass based on the Li2O–Al2O3–SiO2 system are investigated. By the Marotta et al method, temperature of 670 ?C at a holding time of 2 hours provides the ...
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7.
FABRICATION A NEW FILM SCINTILLATOR BASED ON (8-HYDROXYQINOLATE) LITHIUM
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(Not-set)
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... properties of the obtained film structures was carried out. The analysis of the surface of the films was carried out. The light yield and the kinetics of scintillation emission of the obtained film structures ...
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8.
HIGH-TEMPERATURE LIGHTWEIGHT ALKALINE-ACTIVATED MATERIALS WITH ADDITION OF MULTI-WALLED CARBON NANOTUBES
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(Not-set)
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The effect of the concentration (from 18 to 6 %) of an alkaline activator (AA) solution on the viscosity and basic properties of geopolymer composites based on chamotte with additives of foam glass production ...
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9.
THE EFFECT OF BORON OXIDE ON THE TECHNOLOGICAL PROPERTIES OF STRONTIUM-ALUMINUM SILICATE GLASSES FOR DENTISTRY
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(Not-set)
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The effect of boron oxide additives in the amount from 0 to 11 mol. % was studied on the melting characteristic of glasses in the SrO–Al2O3–TiO2–ZrO2–B2O3–SiO2 system for use as fillers in dental filling ...
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10.
FEATURES OF CRYSTALLIZATION OF LITHIUM-ALUMINOSILICATE GLASS MICROSPHERES OBTAINED IN A HIGH-TEMPERATURE PLASMA FLOW
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(Not-set)
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... which may be due to both a change in chemical composition during spheroidization and a fundamentally different thermal history of microspheres and glass. Despite the delayed crystallization kinetics, the ...
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11.
SYNTACTIC FOAMS BASED ON HOLLOW CERAMIC MICROSPHERES AND POLYCARBOSILANE
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(Not-set)
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Syntactic foams based on hollow ceramic microspheres and the ceramic-forming binder polycarbosilane, capable of transition to silicon carbide at elevated temperatures, are considered. The processes of ...
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12.
EFFECT OF FEATURES IN GRAIN STRUCTURE ON THE THERMOELECTRIC PROPERTIES OF COMPOUNDS BASED ON BISMUTH TELLURIDE
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(Not-set)
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Specific mechanisms of grain structure effect on the thermoelectric properties (specific electrical resistivity and total thermal conductivity) of the Bi1.9Gd0.1Te3 compound have been analyzed. These mechanisms ...
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13.
OXIDE-CONTAINING MINERAL FIBERS: TYPES, METHODS OF PRODUCTION, APPLICATION AND MANUFACTURERS (REVIEW)
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(Not-set)
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The article provides an overview of mineral oxide fibers of various chemical composition: aluminosilicate, alumina, silica, bio-soluble, zirconium oxide fibers and others. Methods for producing discrete ...
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14.
Glass Layer Forming in Ceramic Matrix Composite after Impact of High-Enthalpy Flow
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(Not-set)
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The structure of the surface layer of ceramic composite materials (CMC) of the compositions HfB 2 & # 8211; SiC and SiC & # 8211; TiC after exposure to a flow of dissociated air has been investigated. ...
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15.
Synthesis of Yttrium-Aluminum
Garnet Based on Double Ammonium-Containing Yttrium-Aluminum
Carbonate Compounds
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(Not-set)
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The difference in the mechanism of synthesis of yttrium-aluminum garnet Y 3 Al 5 O 12 (YAG) from a mixture of double yttrium and ammonium carbonate NH 4 Y (CO 3 ) 2 & middot; H 2 O with aluminum ...
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16.
Spheroplastics Reduced Density Based on the Hollow Ceramic Microspheres and the Binder of Olygomethylsilsesquioxane
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(Not-set)
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Spheroplastics based on hollow ceramic microspheres and an organosilicon binder with a ladder structure capable of transition to a ceramic-like state at elevated temperatures are considered. The physical ...
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17.
The Periclase Sintering on the Brucite Alumophosphate Binder
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(Not-set)
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The kinetics of sintering of periclase with a brucitaluminophosphate bond has been studied. To determine the kinetic parameters, a model was used that takes into account the role of physical compaction ...
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18.
Research of Mullitization Processes in Floated Materials on the Basis of Kaolinite Clay and Waste
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(Not-set)
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The results of research on the production of fused materials based on kaolinite clay and high-alumina waste using a concentrated radiant flux are presented. The phase composition, microstructure, and elemental ...
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19.
Study of the Porosity Structure of a Ceramic Material of the Fortress Wall of Girona (Spain)
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(Not-set)
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The object of the research is ceramic material taken from the fortress wall of the city of Girona. The chemical composition of the test material showed an increased carbon content (13.1 & # 37;), which ...
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20.
Mechanochemical Oxidation of Aluminum. The Formation of the Porous Structure of Hydroxides and Oxides of Aluminum
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(At the enterprises and institutes)
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A comparison is made of the main characteristics of aluminum oxides and hydroxides obtained by mechanochemical oxidation of aluminum powder, both in the initial state and after their heat treatment in ...
