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1.
Nanosized ZrN powder microwave synthesis compared to autoclaving
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(Science for ceramic production)
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The synthesis of nanodispersed powders of zirconium nitride ZrN using exothermic reactions initiated by microwave radiation has been studied. The obtained ZrN powders were studied using X-ray phase analysis ...
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2.
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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3.
THE STUDY OF CERIUM DIOXIDE POWDER OBTAINED BY REVERSE DEPOSITION METHOD
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(Not-set)
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The processes of powder production of CeO2 by reverse deposition are investigated. The CeO2 content in the resulting products is 99.2 % by weight. The main phase is cerium dioxide with a cubic lattice. ...
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4.
INFLUENCE OF TEMPERATURE ON THE PROPERTIES OF FREE LOADED INORGANIC OXIDE NANO POWDERS
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(Not-set)
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A comparative study was carried out on the possibility of controlling the average sizes of nano-sized powders of silicon dioxide and aluminum oxide obtained by electron beam evaporation, pyrogenic, liquid ...
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5.
Influence of Particle Size of Aluminum Oxide Powder on Spark-Plasma Sintering
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(Science for ceramic production)
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The results of a comparative study of compacts obtained from nano- and ultradispersed (UF) powders of aluminum oxide with a spherical shape of particles by the method of spark-plasma sintering are presented. ...
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6.
Recent studies in in high-performance alumina ceramics development (review). Part 2. Nanopowders synthesis and sintering, sol-gel technique and other methods of obtaining fine-grain and fiber alumina
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(Science for ceramic production)
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A review of dissertations by Russian scientists on ceramics made of aluminum oxide, methods of its preparation for the period since 2000 is presented. Thin structural ceramics are mainly considered. The ...
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7.
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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8.
Properties of glass-foam material doped with nanosized zirconia
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(Science for glass production)
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... foaming. Optimal from the point of view of mechanical properties is the mass content of zirconium dioxide 0.3%. The strength of the foam glass increases in the presence of nanosized particles up to
1.4 ...
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9.
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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10.
Morphological features of nanopowders of the system Al2О3 - ZrO2 - СеО2 attributed to conditions of precursor production
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(Science for ceramic production)
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The morphological features of powders of the same chemical composition in the system Al 2 О 3 - ZrO 2 - СеО 2 with different sequence deposition of components. The schemes used for the preparation ...
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11.
EVALUATION OF THE PROPERTIES OF FUNCTIONAL-GRADIENT CERAMIC MATERIALS OBTAINED BY THE METHOD OF CO-REACTION SINTERING
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(Not-set)
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Monolithic samples of functionally graded ceramic materials were fabricated via reaction sintering (siliconizing) of silicon carbide and diamond powders. The resulting materials are layered composites ...
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12.
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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13.
CERAMICS WITH ULTRAHIGH PERMITTIVITY VALUES: COMPOSITIONS, SYNTHESIS METHODS AND PROPERTIES AT LOW AND MEDIUM FREQUENCIES
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(Not-set)
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An overview of dielectric materials with high (more than 10 000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric ...
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14.
DIELECTRIC PROPERTIES OF CERAMICS BASED ON BN–ZrB2 AND BN–ZrO2 PRODUCED BY SELF-PROPAGATING HIGH-TEMPERATURE SYNTHESIS
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(Not-set)
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Dielectric properties of ceramic materials based on BN–ZrB2 and BN–ZrO2 systems synthesized in the mode of self-propagating high-temperature synthesis (SHS) from a mixture of boron B powders, boron nitride ...
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15.
EFFECT OF THE SYNTHESIS METHOD ON THE PHYSICOCHEMICAL PROPERTIES AND PHASE COMPOSITION OF ZIRCONIA
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(Not-set)
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Hydrated zirconia was obtained by solid state synthesis and precipitation. Physicochemical properties and phase composition of calcined hydrated zirconia was investigated by XRD, IR and DSC-TG. Hydrated ...
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16.
MECHANOCHEMICAL AND CERAMIC SYNTHESIS OF COBALT FERRITE
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(Not-set)
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In this work we studied the effect of mechanochemical activation on the formation of the cobalt ferrite phase from iron and cobalt oxalates. X-ray phase, X-ray diffraction and synchronous thermal analysis, ...
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17.
Features of Sol-Gel Synthesis in the ZnO–SnO2 System
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(Not-set)
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The effect of the anionic composition of zinc salts on the preparation of powders in the ZnO–SnO2 system by the sol-gel method has been investigated. It was determined that the synthesis and microstructure ...
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18.
Influence of Synthesis Conditions on the
Crystallization of Zeolite of Clinoptylite Type
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(Not-set)
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Based on the natural zeolite of Nakhchivan, clinoptilolite zeolite was synthesized and the effects of synthesis conditions (temperature, concentration of thermal solution and mineralizer) on the crystallization ...
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19.
Obtaining Finely Dispersed Spheric Particles of Iron-Oxide Pigments from
Kazakhstan Diatomites
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(Raw materials)
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It is proposed to use natural raw materials - ferruginous diatomites from the Zhalpak deposit (Kazakhstan) as an affordable cheap raw material for obtaining complex iron oxide silica-containing pigments. ...
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20.
Methods for producing ceramics from metal nitrides (a review)
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(Science for ceramic production)
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The main methods of obtaining metal nitrides are considered. The main advantages and disadvantages are highlighted for each method. The possibilities of using these materials in various industries are ...
