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1.
Rigid spheres close packing models and possibilities of their use for development of promising ceramics and refractories (review)
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(Science for ceramic production)
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An overview of the current state of theoretical studies of close-packed systems of hard spheres is presented. A description of the main models of regular and random dense packings of rigid spheres is given. ...
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2.
The use of computer-aided technologies in foamglass pore structure formation modeling
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(Science for glass and ceramic production)
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Optimal compositions for the synthesis of foam glass with the use of slag waste from thermal power plants have been developed? foam slag glass. Based on the experimental data, a program has been created ...
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3.
Optimisation of time-temperature conditions for slag foamglass synthesis by computational modelling
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(Science for glass production)
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The process of synthesis of slag foam glass is investigated using mathematical modeling. Software has been developed that allows one to study the temperature-time field of the charge during its heating. ...
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4.
Determination of the optimal capacity of belt vacuum-press upon making of ceramic
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(At the enterprises and institutes)
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Calculation formulas are given to determine the optimal power, taking into account the factors affecting the power and productivity of presses for molding clay materials. Friction resistance coefficients ...
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5.
Determination of the optimal performance of the vacuum-belt press for forming ceramic mass
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(Equipment)
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The analysis of determining the optimal performance of a belt vacuum press in the formation of products from ceramic masses is carried out. Various options for determining productivity are presented, taking ...
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6.
Optimal strategy of searching the basic component composition of synthetic sodium silicates for microspheres manufacture
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(Science for glass production)
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The results of the synthesis by the sol-gel technology in an aqueous medium of a sodium silicate mixture for the manufacture of microspheres are presented. It was proved that without high-temperature treatment, ...
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7.
DEVELOPMENT OF NANOMODIFIED CEMENT USING MICROSILICA, POLYCARBOXYLATE AND DUNE SAND: OPTIMIZATION OF COMPOSITION AND STRENGTH CHARACTERISTICS
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(Not-set)
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This study presents the development and experimental validation of nanomodified cement obtained by joint grinding of clinker, gypsum, microsilica, polycarboxylate superplasticizer, and dune sand. The optimal ...
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8.
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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... synthesized samples was conducted. The optimal composition for synthesizing sludge was determined, which includes 80 % of drilling mud, 15 % of sodium hydroxide, 5 % of sodium tetraborate, 10 % of water, ...
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9.
SYNTHESIS OF MULLITE-SILICA CERAMICS WITH ENHANCED ELECTROPHYSICAL PROPERTIES
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(Not-set)
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... of thermal processes during firing, as well as X-ray phase analysis for phase identification were used for the analysis. It is shown that the choice of the optimal temperature regime and preliminary mechanical ...
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10.
ELECTRON BEAM SINTERING OF ZIRCONIUM DIOXIDE CERAMICS WITH DIFFERENT YTTRIUM OXIDE CONTENT
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(Not-set)
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... of ZrO2. This has a positive effect on its strength characteristics, taking into account the absence of pressure during the sintering process. It has been established that the optimal content of Y2O3 for ...
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11.
FIREСLAY CRUCIBLES WITH IMPROVED PROPERTIES FOR ORE ASSAY ANALYSIS
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(Not-set)
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... 90.22 % Al2O3, was introduced into the composition of the masses. The optimal mass with a content of 8 % alumina waste withstands more than 11 – 13 melting without corrosion, and the heat resistance of ...
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12.
DEVELOPMENT OF COLORED GLASS COMPOSITIONS BASED ON BASALT OF THE OSMONSAY DEPOSIT
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(Not-set)
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The purpose of the study was to develop compositions of colored glasses based on basalt from the Osmonsay deposit.
To synthesize glasses, compositions in the basalt–quartz–soda system were studied. Quartz ...
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13.
DEVELOPMENT OF CERAMIC BRICK COMPOSITIONS FOR RESTORATION OF HISTORICAL HERITAGES BASED ON LOESS–DEFECATE COMPOSITION
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(Not-set)
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They are devoted to the study of the development of composite materials for the production of ceramic bricks based on loess-like rocks from the Suzanly deposit and waste produced by Khorazm Shakar LLC, ...
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14.
LOCAL ELECTRIC FIELD ENHANCEMENT IN THE VICINITY OF Ag NANOPARTICLES AND THEIR AGGLOMERATES IN ZINC-PHOSPHATE AND SILICATE GLASS
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(Not-set)
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... of small (?5 nm) particles in the sample along with the relatively large ones, were determined. It was revealed that the optimal configuration of silver particles in glass for obtaining of the maximum ...
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15.
INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS
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(Not-set)
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... a reduction in the degree of agglomeration of the ceramic powders. It was discovered that optimal modes can be achieved at a mass ratio of grinding balls to precursor powder of 6.75/1 and a ratio of the ...
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16.
INVESTIGATION OF THE CONDITIONS OF CERAMIC AND MECHANOCHEMICAL SYNTHESIS OF COMPOSITES CuO/ZnO/?-Al2O3
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(Not-set)
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... occurring at the stage of mechanochemical activation of a mixture of anhydrous CuO/ZnO/?-Al2O3 oxides, a mixture of oxides with ammonium carbonate and ethanedienic acid have been studied. The optimal parameters ...
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17.
SUBSTRATES FOR THE SURFACE ENHANCED RAMAN SPECTROSCOPY BASED ON NANOPOROUS GLASS ACTIVATED WITH SILVER PARTICLES
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(Not-set)
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Substrates for the surface enhance Raman spectroscopy (SERS) are being actively developed with the aim of precise detecting of the low concentrations of organic molecules. However, the complexity and cost ...
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18.
INVESTIGATION OF THE POSSIBILITY OF REDUCING ENERGY COSTS DURING LASER SCRIBING OF GLASS AND CERAMIC PLATES
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(Not-set)
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... with a reflection coefficient of ~ 99 %. Optimal modes of plate scribing have been determined. It is shown that with deep scribing, it is possible to reduce energy costs by 1.4 – 1.8 times compared to ...
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19.
STUDY OF THE POSSIBILITY OF OBTAINING THERMAL INSULATING MATERIALS USING ASH WASTE
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(Not-set)
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... and basic technical properties of foam silicates has been determined. As a result of the studies, the optimal content of ash waste was established in the amount of 5 – 15 %. The obtained foam silicates ...
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20.
Production of Ceramic Materials Based on Gabbro Using Liquid Glass as a Binding Component
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(Not-set)
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... the com-ponents formed by heating gabbro are calculated by the method of physico-chemical modeling. The optimal conditions (powder dispersion, amount of binder, etc.) of the process under consideration ...
