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1.
THE EFFECT OF ZIRCONIUM DIOXIDE NANOPARTICLES ON THE PROPERTIES OF CORUNDUM CERAMICS BASED ON RUSSIAN RAW MATERIALS
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(Not-set)
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The effect of various concentrations of zirconium dioxide nanoparticles on the strength and porosity of corundum ceramics obtained from domestic raw materials has been studied. The effect of an additive ...
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2.
ELECTRICAL PROPERTIES OF OXIDE CERAMICS WITH PYROCHLORE STRUCTURE CONTAINING MANGANESE AND NICKEL
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(Not-set)
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The electrical properties of bidoped oxide pyrochlore Bi6/5Mn1/3Ni1/3Ta4/3O6+? (sp. gr. Fd-3m, a = 10.5038(9) ?), synthesized for the first time by the solid-phase method, were studied. According to scanning ...
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3.
INFLUENCE OF NANODISPERSED ALUMINUM OXIDE ON THE PHYSICAL AND MECHANICAL PROPERTIES OF TECHNICAL CERAMICS
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(Not-set)
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The article presents the results of a study on the development of a composition of technical ceramics for ceramic grinding bodies and the influence of dispersed oxide on its basic properties. It is shown ...
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4.
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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5.
SOL-GEL SYNTHESIS OF NANOCRYSTALLINE ANTIMONY-CONTAINING CERAMICS FROM OXIDE PRECURSORS
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(Not-set)
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The article describes the features of the synthesis of a new oxide pyrochlore Bi2.7Ni0.7Mg0.46Sb2O10+? (sp. gr. Fd-3m, a = 10.4703 ?) containing antimony (V) and bismuth (III) cations from a stoichiometric ...
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6.
VACUUM-TIGHT CORUNDUM CERAMICS VK94-1 MODIFIED WITH ZIRCONIUM DIOXIDE
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(Not-set)
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This article describes the process of obtaining VK94-1 ceramics modified with zirconium dioxide ZrO2, in order to determine and compare such properties of the resulting composite material as: apparent ...
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7.
X-RAY PHOTOELECTRON SPECTROSCOPY OF Bi2Ni1/2Co1/2Ta2O9 ± ? OXIDE CERAMICS
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(Not-set)
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Cubic pyrochlore of the composition Bi2Ni1/2Co1/2Ta2O9 ± ? (sp. gr. Fd-3m, a = 10.5261(8) ?) was synthesized for the first time from the corresponding oxides by the solid-phase reaction method. The complex ...
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8.
OXIDATION OF Cr (III) TO Cr (VI) IN THE SYNTHESIS OF BISMUTH-CHROMIUM OXIDE CERAMICS
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(Not-set)
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Bismuth-containing chromates BixCrO1.5x+3 with a variable molar ratio of 1 ? n(Bi)/n(Cr) ? 38 were synthesized using
a ceramic method from Bi (III) and Cr (III) oxides. Depending on the n(Bi)/n(Cr) ratio, ...
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9.
THERMODYNAMIC ANALYSIS OF OXIDE-CARBON AND CARBON MONOXIDE CHEMICAL REACTIONS IN ORDER TO SELECT ADDITIVES FOR CARBON NANOTUBE REINFORCED CORUNDUM CERAMICS
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(Not-set)
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The calculation of Gibbs energy for reactions of interaction of ZrO2, Al2O3, SiO2, TiO2, CaO and MnO with carbon and carbon monoxide in temperature range 1273 – 2273 К (1000 – 2000 ?С) is made to select ...
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10.
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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... The solid phase reactions in the system ZnO/TiO2 at Тsint = 1123 K resulted in the formation of two-phase ceramics ZnO/Zn2TiO4 with the residual amounts of the phases of zinc and tin oxides. At Тsint = ...
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11.
CREATION AND PROPERTIES OF CERAMICS FROM NICKEL OXIDE NANOPOWDER
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(Not-set)
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By means of the method of the spark plasma sintering (SPS) on the basis of nanodimensional powder of nickel oxide (with an average particle size of about 100 nm), the fine-grained (of 250 – 500 nanometers ...
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12.
Ceramics Based on Orthous Zinc with Additives Nickel and Manganese Oxides
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(Not-set)
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The study of the ZnO–SnO2 system was carried out, in particular, the possibilities of the synthesis of zinc orthostannate were considered. The temperature of the synthesis of a compound from simple oxides ...
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13.
Thermally Stable Transparent LithiumAluminosilicate Glass-Ceramics Doped with Neodymium Oxide
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(Not-set)
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The effect of Nd 2 O 3 (0.1 - 3.0 & # 37;, molar content) oxide additives on the synthesis conditions, crystallization and spectral properties of heat-resistant sitall of the Li system was studied ...
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14.
Production and properties of ceramics from cobalt oxide nanopowders
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(Science for ceramic production)
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Using the method of electrospark sintering (SPS) on the basis of nanosized cobalt oxide powder, a fine-grained (about 200 nm), dense, durable ceramic with a microhardness of up to 10 GPa was created.
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15.
Phase composition and properties of structural ceramics depending on calcium carbonates and ferrous oxides content
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(Science for ceramic production)
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The features of the formation of the structure and properties of ceramic bricks are established depending on the content of calcium carbonates and iron oxides based on clay raw materials of various chemical ...
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16.
Monophase high-purity dense ceramics production from high-sintering complex oxides
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(Science for ceramic production)
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... in complex oxides // Glass and ceramics. 1997.? 10, p. 18? 20.
Belyakov AV The Effect of a Difference in the Diffusivity of Cations on the Deviation from Stoichiometry in Complex Oxides // Glass and Ceram. ...
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17.
Microhardness of ceramics made of oxide nanopowders and fabricated by custom and SPS methods
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(Science for ceramic production)
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Electrospark sintering (SPS) is used to create fine-grained ceramics based on nanosized powders of 14 different oxides (zinc, copper, chromium, cobalt, tungsten, magnesium, niobium, titanium, aluminum, ...
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18.
Oxide ceramics alumosilicate-based assymetrical membranes
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(Science for ceramic production)
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Ceramic membranes with an asymmetric structure were obtained by deposition of a heterogeneous polydisperse suspension of reduced hydrophilicity on an aluminosilicate substrate. The average pore size of ...
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19.
Destruction duration and deformation for dense polycrystalline oxide ceramics up to 1600 °С
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(Science for ceramic production)
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The indicators of long-term strength (time and deformation to failure) of dense-sintered oxide ceramics in the temperature range 1400 - 1600 ° C at loads up to 60 MPa have been determined. There is a relationship ...
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20.
Features of creep in polycrystal oxide ceramics at a temperature below 1600°C
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(Science for ceramic production)
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The results of studying the creep of polycrystalline ceramics based on metal oxides at temperatures up to 1600 ° C and high loads are presented. These temperatures are in the vicinity of the transition ...
