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1.
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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2.
THERMOSTIMULATED FORMATION OF SILVER NANOAGGREGATES AND THEIR EFFECT ON THE PHOTOLUMINESCENCE OF Nd3+ IONS IN THE BARIUM-PHOSPHATE GLASS
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(Not-set)
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Phosphate glasses heavily doped with Nd3+ ions are critical components in developing efficient near-infrared laser systems. This study investigates the luminescence sensitization of Nd3+ ions in BaO-P2O5 ...
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3.
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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4.
Pulsed Laser Punching of Holes in Ceramic Parts
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(Not-set)
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Within the framework of the theory of developed evaporation of matter under the action of laser radiation, the problem of assessing the strength of ceramic parts of a cylindrical shape during laser punching ...
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5.
On the Possibility of Producing Titanium Nitride Whiskers from the Gas Phase
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(Not-set)
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The results of the initial stages of work on assessing the possibility of obtaining whiskers of titanium nitride from the gas phase are presented. A theoretical assessment was made of the possibility of ...
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6.
Chemical Resistance of Liquid Phase-Sintered Materials Based on Si3N4-BN
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(Materials and properties)
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Materials based on Si 3 N 4 -BN were obtained by liquid-phase sintering using 20 & # 37; (by volume) YAG as a sintering aid. To obtain composite materials, we used boron nitride powders of hexagonal ...
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7.
Influence of Gold Nanoparticles on Spectral and Luminescent Properties of Phosphate Glass Doped with Eu3+ Ions
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(Science for glass production)
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The spectral-luminescent properties of potassium-aluminophosphate glass containing Eu 3+ ions during thermally stimulated formation of gold nanoparticles in its volume have been investigated. It is shown ...
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8.
Mechanochemical Oxidation of Aluminum. The Formation of the Porous Structure of Hydroxides and Oxides of Aluminum
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(At the enterprises and institutes)
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A comparison is made of the main characteristics of aluminum oxides and hydroxides obtained by mechanochemical oxidation of aluminum powder, both in the initial state and after their heat treatment in ...
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9.
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 ...
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10.
Production of ceramic materials based on SiC with low-melting ox-ide additives
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(Science for ceramic production)
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Dense materials based on silicon carbide were obtained by liquid-phase sintering. The oxides MgO, Y 2 O 3 and Al 2 O 3 , corresponding to the composition of yttrium-aluminum garnet, were used as ...
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11.
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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12.
Production of Si3N4 and TiN-based ceramics by spark plasma sintering
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(Science for ceramic production)
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The dependences of the microstructure and physicomechanical properties of ceramics based on Si 3 N 4 ? TiN are considered in a wide range of mass ratios of components. The sintering process and the ...
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13.
Optimisation of time-temperature conditions for slag foamglass synthesis by computational modelling
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(Science for glass production)
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The process of synthesis of slag foam glass is investigated using mathematical modeling. Software has been developed that allows one to study the temperature-time field of the charge during its heating. ...
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14.
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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15.
Properties of the nanopowder ceramics
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(Biomaterials)
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The possibilities of producing ceramics from nanodispersed powders of silicon dioxide and hydroxyapatite have been investigated. The obtained ceramics with a fine-grained (3 - 10 ?m) structure. The properties ...
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16.
Ceramics based on the powders of silicon nitride obtained by self-propagating high-temperature synthesis
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(Science for ceramic production)
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Ceramics based on silicon nitride powder obtained by self-propagating high-temperature synthesis have been investigated. Yttrium aluminum garnet and mullite were used as sintering additives. The resulting ...
