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41.
FEATURES OF GARNET PHASE FORMATION IN THE Y2O3–Lu2O3–Yb2O3–Ee2O3–Al2O3 SYSTEM IN THE SYNTHESIS OF NANOCRYSTALLINE LOW-AGGLOMERATED CERAMIC POWDERS BY COPRECIPITATION METHOD USING AMMONIUM ...
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(Not-set)
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... powders of the composition (Y1–xLux)3Yb0.15Er0.03Al5O12, calcined at 800, 900, 1000 and 1150 ?C, the temperature ranges of formation and decomposition of intermediate crystalline phases Y2O2SO4, Y2(SO4)3, ...
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42.
ENGINEERING OF THE AUTOMATED CONTROL SYSTEM OF THE GLASS FORMING MACHINE TECHNOLOGICAL PROCESS AS A TOOL FOR FORMING THE SECTORAL TECHNOLOGICAL SOVEREIGNTY
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(Not-set)
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A methodological approach to developing hardware and software solutions for debugging and testing algorithms and control systems for actuators of a glass-forming machine in real time is presented. During ...
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43.
MECHANOCHEMICAL SYNTHESIS OF CuO/ZnO/Al2O3 OXIDE COMPOSITE FOR CATALYTIC SYSTEMS
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(Not-set)
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... of the composite is shown. By the method of low-temperature adsorption-desorption of nitrogen, it was found that in the process of mechanochemical synthesis, the total specific surface of the samples changes ...
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44.
STRUCTURE AND OPTICAL PROPERTIES OF SOLID SOLUTIONS OF THE ZrO2–Sc2O3 SYSTEM OBTAINED BY CO-PRECIPITATION
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(Not-set)
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... at temperatures from 500 to 1200 °C, was studied. The crystal structure was identified by the X-ray diffraction method and Raman spectroscopy.
The local structure was estimated by the spectral and luminescent ...
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45.
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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46.
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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47.
LOW TEMPERATURE SYNTHESIS OF TUNGSTEN SILICATES WITH PYROCHLORE AND TUNGSTEN BRONZE STRUCTURE
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(Not-set)
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... it was shown that the compounds have the Keggin anion structure. When thermolysis of the resulting compounds in the temperature range 600…800 ?C, previously unknown phases are formed with the pyrochlore ...
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48.
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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49.
THERMAL INSULATION PROPERTIES OF CERAMOVERMICULITE AND KERAMOPERLITE MATERIALS ON A WOLLASTONITE BOND AT HIGH TEMPERATURE
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(Not-set)
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High-temperature thermal insulation materials are widely used in civil engineering as flame retardant materials, as well as in many industries. Rocks and industrial waste are used as raw materials for ...
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50.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 1. POWDERS SYNTHESIS
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(Not-set)
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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 ...
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51.
CERAMIC MASS BASED ON THE SYSTEM KAOLIN–ALUMINA-CONTAINING WASTE–DOLOMITE
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(Not-set)
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The article investigates the high-temperature interaction and sintering processes of samples of high-alumina masses of low-temperature firing for technical ceramics based on the ternary system kaolin–alumina-containing ...
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52.
CERAMIC DIELECTRICS IN THE OXIDE SYSTEM ZrO2–SnO2–TiO2 FOR MICROWAVE TECHNOLOGY
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(Not-set)
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In this work, a study was made of the possibility of obtaining ceramics for microwave technology in the system of ZrO2–SnO2–TiO2 oxides by solid-phase synthesis using a sintering additive, lanthanum (III) ...
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53.
ION EXCHANGE HARDENING OF GLASSES OF THE ZnO–MgO–Al2O3–SiO2 SITALL-FORMING SYSTEM WITH AN INCREASED CONTENT OF Na2O
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(Not-set)
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... with 7 mol. % of Na2O treated duration for 72 h reaches 900 HV. Possibility of ion-exchange process usage with glass-ceramics, obtained from glasses of ZMAS system modified with sodium oxide, has been ...
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54.
TECHNOLOGICAL METHODS FOR INCREASING THE FLUORINE CONTENT IN THE GLASSES OF THE SrO–Al2O3–P2O5–SiO2–F SYSTEM FOR GLASS IONOMER CEMENTS
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(Not-set)
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The influence of the technological parameters of glass melting of the selected composition in the SrO–Al2O3–P2O5–SiO2–F system on the value of the refractive index and the amount of fluorine that remains ...
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55.
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM
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(Not-set)
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... after a brief excursion into the history of glass-ceramics, transparent aluminosilicate glass-ceramics are discussed, mainly using the example of the Li2O–Al2O3–SiO2 system, and the areas of their new ...
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56.
INFLUENCE OF THE ADDITIVE OF EUTECTIC COMPOSITION IN THE Li2O–B2O3 SYSTEM ON THE SINTERING PROCESS AND PROPERTIES OF CERAMICS BASED ON Li2MgTi3O8
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(Not-set)
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The influence of the eutectic additive of the Li2O–B2O3 system on the sintering process and dielectric properties of ceramics based on Li2MgTi3O8 has been investigated. It was determined that the introduction ...
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57.
INFLUENCE OF TEMPERATURE ON THE PROPERTIES OF FREE LOADED INORGANIC OXIDE NANO POWDERS
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(Not-set)
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... chemical and plasma chemical methods, by keeping them in the temperature range of 800 – 1300 ?C in an air atmosphere. The average size of the resulting particles was estimated from specific surface area ...
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58.
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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59.
HIGH-TEMPERATURE CERAMOVERMICULITE THERMAL INSULATION ON A WOLLASTONITE BUNDLE
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(Not-set)
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... crystalline phase of ceramic samples is biotite and wollastonite. The developed ceramovermiculite thermal insulation has an apparent density from 310 to 510 kg/m3 and can be operated at temperatures up ...
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60.
INFLUENCE OF CeO2 ON THE FORMATION OF PLASMONIC Au NANOPARTICLES IN GLASSES OF THE ZnO–MgO–Al2O3–SiO2 SYSTEM
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(Not-set)
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... Au nanoparticles in the glass of the ZnO–MgO–Al2O3–SiO2 system containing TiO2 and ZrO2 as nucleating agents. It is shown that when the glass is heated from temperatures slightly above Tg to temperatures ...
