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1.
FABRICATION, MICROSTRUCTURE AND PROPERTIES OF COMPOSITE OPTICAL CERAMICS YSAG:Nd3+/YSAG:Sm3+
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(Not-set)
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... composition have been studied. Three types of samples were produced from the obtained ceramic powders using various pressing methods: standard non-composite reference samples, samples with a composite ...
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2.
FEATURES IN MICROSTRUCTURE AND THERMOELECTRIC PROPERTIES OF TWO-PHASED CERAMIC MATERIAL BASED ON HIGH-ENTROPY Bi–Sb–Te–Se–S SYSTEMS
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(Not-set)
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The aim of present work is to prepare by using the method of reactive spark plasma sintering, a ceramic material based on the high-entropy Bi–Sb-Te–Se–S system, the nominal composition of which corresponds ...
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3.
STUDY OF THE MICROSTRUCTURE AND PHASE FORMATION IN CERAMICS BASED ON Zn, Sn AND Ti OXIDES
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(Not-set)
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Ceramics was obtained from the mixture of ZnO, SnO2 and TiO2 nanopowders by the method of solid-state sintering at 1123 K and 1443 K. The indicated nanopowders are used as components in arc dampers and ...
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4.
Research of Microstructure of Ancient Issyk-Kul Ceramics by the Method of Raster Electron Microscopy
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(Not-set)
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Microstructural studies of ancient Issyk-Kul ceramics were carried out using a scanning electron microscope, which allows not only to see the mutual arrangement of mineral particles, pores and microcracks, ...
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5.
Alkox technology of nano-, microstructured sols for ceramic materials
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(At the enterprises and institutes)
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A method is proposed for the synthesis of a sol with a controlled particle size by influencing the parameters of the hydrolytic polycondensation process. The possibilities of sol synthesis by changing ...
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6.
The influence of synthesis conditions on microstructure and properties of composite ceramic material made from nanosized Ce0.1Al0.1Zr0.8O2 powder
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(Science for ceramic production)
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A comparative analysis of the features of the microstructure and mechanical properties of composite ceramic materials obtained from a nanosized powder of the composition Ce 0.1 Al 0.1 Zr 0.8 O 2 ...
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7.
Effect of kolemanite additives on the properties, microstructure and sintering of heat-resistant spodumene ceramics
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(Science for ceramic production)
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The influence of colemanite additives on sintering, properties and microstructure of spodumene ceramics has been investigated. It has been established that the introduction of colemanite in an amount of ...
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8.
Formation of the microstructure of ceramic masses based on flotation tailings of W-Mo ores
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(Utilization of waste)
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The results of studying the phase compositions and the formation of the microstructure of sintered ceramic specimens based on the kaolin - chamotte - KVMR composition in order to obtain a ceramic material ...
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9.
The effect of metal oxides on the microstructure of zinc ceramics
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(At the enterprises and institutes)
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The effect of ZnO crystallization on the current-voltage characteristics has been investigated. It was shown that the introduction of Bi 2 O 3 , TiO 2 , SnO 2 promotes crystal growth, while Sb 2 ...
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10.
The effect of additives of transition metal oxides on the strength, phase composition and microstructure of cordierite ceramics
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(Science for ceramic production)
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The effect of additives of transition metal oxides and sintering temperature on the strength characteristics of ceramics from cordierite synthesized with the use of mechanical activation has been investigated. ...
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11.
ELECTRON BEAM SINTERING OF ALUMINA-BASED COMPOSITE CERAMICS WITH COPPER ADDITION IN THE FORE-VACUUM PRESSURE RANGE
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(Not-set)
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The effect of electron-beam sintering in the fore-vacuum pressure range (8…10 Pa) on the density, structure, and phase composition of the sintered Al2O3–Cu composite with a component mass ratio of 10:1 ...
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12.
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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13.
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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14.
DIELECTRIC PROPERTIES OF MANGANESE-DOPED ZINC TITANATE (MnxZn1-xTiO3, x = 0.1; 0.3, & 0.5) CERAMICS FOR HIGH K-MICROWAVE APPLICATIONS
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(Not-set)
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The microstructure and dielectric properties of manganese-doped zinc titanate (MnxZn1–xTiO3) ceramic samples were investigated as a function of manganese concentration (x = 0.1; 0.3, & 0.5). XRD analysis ...
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15.
ELECTRICAL PROPERTIES OF OXIDE CERAMICS WITH PYROCHLORE STRUCTURE CONTAINING MANGANESE AND NICKEL
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(Not-set)
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... electron microscopy data, the ceramics is characterized by a porous microstructure formed by randomly oriented grains of an elongated shape. The average crystallite size determined by X-ray diffraction ...
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16.
RESEARCH OF DOMESTIC BORON CARBIDE POWDERS FOR THE PRODUCTION OF REACTION-BONDED CERAMICS
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(Not-set)
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The article discussed the problem of manufacturing boron carbide ceramics with high physical and mechanical characteristics. The problem of choosing raw powders and ceramic manufacturing technology is ...
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17.
DEVELOMENT OF MANUFACTURING TECHNOLOGY OF HIGH-TEMPERATURE CERAMICS BASED ON ZIRCONIUM DIBORIDE BY PRESSURELESS SINTERING
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(Not-set)
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This paper presents the results of investigation on obtaining ZrB2-based ceramic by the method of slip casting followed by pressureless sintering. Optimal parameters for forming complex-shaped blanks were ...
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18.
EFFECT OF CeO2 ON THE STRUCTURE AND PROPERTIES OF ALUMINA-ZIRCONIA CERAMICS PREPARED BY PRESSURELESS SINTERING AND HOT PRESSING
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(Not-set)
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The influence of ceria (CeO2: 0…3,56 wt. %) and sintering method (pressureless sintering in air, hot pressing in Ar) on the phase composition, microstructure, and properties of alumina-zirconia ceramics ...
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19.
CONDUCTIVE PASTES FOR LOW TEMPERATURE CO-FIRED CERAMICS – A REVIEW
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(Not-set)
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This article presents a review of the available scientific and technical information on conductive metallization pastes used in the production by low-temperature co-fired ceramic (LTCC) multilayer electronic ...
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20.
INVESTIGATION OF THE STRUCTURE OF A TRANSPARENT GAHNITE-BASED GLASS-CERAMICS IN THE Na2O–ZnO–MgO–Al2O3–SiO2 SYSTEM BY TRANSMISSION ELECTRON MICROSCOPY
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(Not-set)
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... glass-ceramic and allows the usage of ion exchange for further improve their mechanical properties. In this work, the submicrostructure of ZMAS glass-ceramic with sodium oxide additives in a transparent ...