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Contacts
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... placement on the site
Phone: +7 (495) 514 76 50
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Acceptance of articles and general questions
Natalia V. Kleizer
Phone: +7 (499) 393 30 25
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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Energy-efficient cooling of baddeleite-corundum in glass furnaces
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(Equipment)
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A method of cooling the baddeleyite-corundum masonry of a cooking basin using a perforated surface for air outflow is considered. The results of calculating jet heat transfer and heat transfer to the environment ...
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Novel prospects of Russian baddeleite
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(Information)
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FINISHING OF THE SURFACE OF CORUNDUM CERAMICS WITH AN ARGON CLUSTER-ION BEAM
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(Not-set)
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The effectiveness of an argon ion cluster beam for polishing the surface of corundum ceramics was investigated. Using atomic force microscopy, changes in the surface relief of VK-100 ceramics were studied ...
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CERAMICS BASED ON POWDERS SYNTHESIZED FROM CALCIUM NITRATE AND SILICIC ACID PREPARED VIA ION EXCHANGE METHOD
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(Not-set)
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Ceramics in the CaO–SiO2 and Na2O–CaO–SiO2 systems were obtained from powders synthesized from aqueous solutions of silicic acid and calcium nitrate at a molar ratio of Ca/Si = 0.5 by direct precipitation ...
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LUMINESCENT WAVEGUIDES IN BI-DOPED QUARTZOID GLASS, WRITTEN BY FEMTOSECOND LASER PULSES
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(Not-set)
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The formation of waveguides in the bulk of sintered nanoporous glass pre-impregnated in a bismuth nitrate solution was demonstrated. The influence of laser irradiation regimes on the refractive index change ...
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LTCC-RESISTORS
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(Not-set)
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In this paper the experience of using regular and specially developed resistive pastes for resistors compatible with LTCC substrates is reviewed. Characteristics of surface, buried, and 3D resistors manufactured ...
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COMPREHENSIVE STUDY OF THE BARKHAN SANDS OF THE KUSHKUPYR DEPOSIT FOR THE PRODUCTION OF SODIUM SILICATE IN THE MICROSILICA–BARKHAN SAND–CAUSTIC SODA SYSTEM
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(Not-set)
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The chemical and mineralogical composition, grain structure and physicochemical properties of unenriched dune sands located in the Kushkupyr district of Uzbekistan were studied. Analysis of the granulometric ...
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CORROSION AND HEAT-RESISTANT NANOPOROUS CERAMIC MATERIALS BASED ON Y2O3 AND ?-Al2O3
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(Not-set)
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Porous ceramic materials, including those with the addition of ?-Al2O3 of the order of 10 %, were obtained on the basis of yttrium oxide, which is inert to sintering and has cubic syngony. The characteristics ...
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PHYSICAL AND MECHANICAL PROPERTIES OF CERAMIC COMPOSITE MATERIAL BASED ON Al6Si2O13–ZrSiO4
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(Not-set)
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Composite ceramic materials based on SiO2–Al2O3–ZrO2 nanopowders were obtained by sintering and their properties were studied. Before sintering, the powders were subjected to mechanical activation in a ...
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DIELECTRIC PROPERTIES OF LEAD ZIRCONATE CERAMICS PRODUCED FROM PbO AND ZrO2 NANOPOWDERS
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(Not-set)
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The article presents the results of a study of the dielectric properties and harmonic coefficient of lead zirconate-based ceramics synthesized at different sintering temperatures from the initial PbO and ...
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ELECTRON BEAM SINTERING OF ZIRCONIUM DIOXIDE CERAMICS WITH DIFFERENT YTTRIUM OXIDE CONTENT
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(Not-set)
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The results of the study of the effect of different fractional fractions of the stabilizing impurity of yttrium oxide Y2O3 on the microstructure, phase composition, and mechanical properties of ceramics ...
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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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STUDY OF PHOSPHOGYPSUM HEAT TREATMENT MODES FOR OBTAINING ULTRAVIOLET PIGMENTS
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(Not-set)
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The paper investigates the possibility of thermal processing of waste from the chemical industry – phosphogypsum. It is shown that when phosphogypsum is dried, partial dehydration of dihydrous calcium ...
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MORPHOLOGY AND OPTICAL PROPERTIES OF AMORPHOUS THIN FILMS (InSe)x(GaSe)100–x
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(Not-set)
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Phase and elemental analysis were performed for amorphous nanosized thin films of (InSe)20(GaSe)80 and (InSe)50(GaSe)50 compositions, and surface morphology studies were conducted. Optical transmission ...
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PHYSICAL AND MECHANICAL CHARACTERISTICS OF CERAMIC MATERIALS OF SYSTEMS ZrO2–Sm2O3 TWO-PHASE COMPOSITION
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(Not-set)
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Ceramic Materials of Compositions (mol. %) 97ZrO2–3Sm2O3 and 94ZrO2–6Sm2O3 based on nanosized powders synthesized by hydrolysis sol-gel method are obtained. It is shown that in ceramic materials a two-phase ...
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PNEUMATIC CLASSIFICATION OF QUARTZ SANDS IN A CROSS-FLOW SEPARATOR
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(Not-set)
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It is shown that the extracted natural quartz sands, widely used in glass, refractory, ceramic, foundry and other industries, as a rule, do not meet the requirements for granulometric composition set by ...
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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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GLASS-LIKE CARBON FROM SUPERCRITICAL FLUID IN THE C–O–H SYSTEM AT TEMPERATURE 800 ?C AND PRESSURE 500…1000 ATM
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(Not-set)
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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 ...
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MEASUREMENT OF CHROMATIC BIREFRINGENCE DISPERSION OF PHASE PLATES, INSCRIBED IN GLASSES BY FEMTOSECOND PULSES
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(Not-set)
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Direct femtosecond laser writing of phase optical elements in glasses opens up new possibilities for controlling light beams and developing new functional devices that operate on the birefringence effect. ...
