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1.
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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2.
INVESTIGATION OF DISPERSED PARTICLE-HARDENED ZIRCONIUM PORCELAIN
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(Not-set)
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Porcelains were prepared by using kaolin clay, potassium feldspar, and quartz as the raw materials, and ZrO2 as a reinforcing material. This study investigated the effects of the amount of ZrO2, the firing ...
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3.
Dielectric Properties of Finely Dispersed Kaolinite Masses of Various Degrees of Humidity
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(Not-set)
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The dielectric characteristics of the kaolinite mass in the frequency range from 200 to 3500 kHz are investigated. The influence of the mass humidity on the values of the real and imaginary components ...
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4.
Electrotechnical Porcelain Using Natural Finely Dispersed Silica-Containing Raw Materials and Wollastonites
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(Science for ceramic production)
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The influence of wollastonites and marshallites on phase transformations, processes of formation of the mineral composition and structure of electrical porcelain is determined. The positive dynamics of ...
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5.
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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6.
The use of fine-dispersed mixture of SiO2 + Sе as a colorant in tinted glass production
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(Science for glass production)
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A dye based on selenium obtained by converting it into micro- and nanostates by the method of mechanical dispersion with the use of the main component of the glass batch, quartz sand, as a matrix-stabilizer, ...
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7.
Effect of nanodispersed hydrosol particles of silicon and aluminum oxides on the structure of clay minerals in aqueous media
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(At the enterprises and institutes)
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The influence of nanodispersed particles of hydrosols of Al and Si oxides on the structure formation of minerals in aqueous suspensions of bentonite and refractory clays is considered. During the formation ...
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8.
EFFECT OF TECHNOLOGICAL SYNTHESIS PARAMETERS ON THE STRUCTURE, PHASE COMPOSITION, AND PROPERTIES OF POROUS Al2O3–MgO–SiO2–SiC CERAMICS
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(Not-set)
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Porous ceramic materials based on a coarse Al2O3 filler were synthesized using fine MgO, SiO2, and SiC binders by compaction at pressures of 20…40 MPa followed by sintering in the temperature range of ...
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9.
FEATURES OF TECHNOLOGY, STRUCTURE, HARDNESS AND STRENGTH OF Al–Al2O3 CERMET WITH A HETEROGENEOUS GRANULAR-LAYERED STRUCTURE
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(Not-set)
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... dispersed product were pressed, after that billets were heat treated in a vacuum (630 °C, 1 h), calibrated and sintered in a vacuum (650 °C, 1 h). With PCAP content in the cermet composition from 3 to ...
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10.
INFLUENCE OF PARTICLE SIZE ON THE STRUCTURAL AND FERROELECTRIC PROPERTIES OF (PbZrO3)0,90(BaTiO3)0,10 CERAMICS
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(Not-set)
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The article presents X-ray diffraction, dielectric, and pyroelectric results of a PbZrO3 ceramic synthesized from nanodispersed PbO and ZrO2 powders with the addition of BaTiO3 nanoparticles. It was found ...
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11.
DETERMINATION OF TRIBOLOGICAL CHARACTERISTICS OF REACTION-SINTERED SILICON CARBIDE IN A FRICTION PAIR WITH TITANIUM ALLOY VT6
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(Not-set)
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Ceramic materials based on silicon carbide were synthesized using reaction sintering with the introduction of a reactive component – technical carbon black – into the starting mixture at varying concentrations ...
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12.
POROUS STRUCTURE OF A COMPOSITE MATERIAL BASED ON CORUNDUM AND GLASS
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(Not-set)
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A composite material obtained by ceramic technology from electrofused corundum and finely dispersed glass is used to simulate the formation of the pore space of a porous ceramic material. According to ...
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13.
MECHANISM OF REDUCING AGGLOMERATION OF YAG CERAMIC POWDERS USING AMMONIUM SULFATE DISPERSANT
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(Not-set)
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Yttrium aluminum garnet (YAG) powders were synthesized via chemical precipitation, both with and without the addition of ammonium sulfate as a dispersant. The impact of the dispersant on the particle size ...
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14.
STABILIZATION OF THE FERROELECTRIC PHASE IN PbZrO3 CERAMICS WITH THE ADDING OF BaTiO3 NANOPARTICLES
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(Not-set)
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Presents the results of a study of PbZrO3 ceramics synthesized from nanodispersed PbO and ZrO2 powders with the addition of BaTiO3 nanoparticles with sizes of 50, 200 and 400 nm. It has been established ...
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15.
PROSPECTS OF USING CLAYEY RAW MATERIALS OF THE STOLINSKIE KHUTORA DEPOSIT FOR PRODUCING BUILDING CERAMICS
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(Not-set)
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... that the clay is refractory, highly plastic, semi-acidic or acidic (depending on the depth), with a high or medium content of coloring oxides, coarsely dispersed, unsinterable in the firing temperature ...
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16.
DIELECTRIC PROPERTIES OF LEAD ZIRCONATE CERAMICS PRODUCED FROM PbO AND ZrO2 NANOPOWDERS
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(Not-set)
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... ZrO? powders with particle sizes of 500 and 20 nm, respectively. It has been established that the use of nanodispersed powders makes it possible to reduce the sintering temperature compared to traditional ...
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17.
INFLUENCE OF THE COMPOSITION OF TWO-COMPONENT BARIUM TITANATE CERAMICS ON LINEAR AND NON-LINEAR DIELECTRIC PROPERTIES
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(Not-set)
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... temperatures are presented. It is shown that when the content of the finely dispersed component changes from 0 to 100 %, the dielectric constant ?(x) and the harmonic coefficient ?(x) are non-monotonic, ...
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18.
PRODUCTION OF POROUS CERAMICS ?-Al2O3–3YSZ WITH ADDITIVE OF ?(?)-Al2O3
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(Not-set)
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Porous ?-Al2O3–3YSZ ceramics were fabricated using slip casting, incorporating 15 wt. % submicron Al2O3 powders as sintering additives. These orders were synthesized via solution combustion synthesis using ...
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19.
INFLUENCE OF SULFATE-ION ADDITIVE AT DIFFERENT STAGES OF YAG:Cr CERAMICS FABRICATION ON THE OPTICAL PROPERTIES
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(Not-set)
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In this study, the influence of the quantitative content of sulfate ions at key technological stages of the synthesis of YAG:Cr ceramic powder on the optical properties of ceramics was investigated. The ...
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20.
SYNTHESIS OF CERAMIC POWDERS OF HAFNIUM DIBORIDE BY CARBOTHERMAL RESTORATION METHOD
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(Not-set)
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The processes of obtaining hafnium diboride by the carbothermic reduction of hafnium oxide by heat treatment in a vacuum furnace and a spark plasma sintering installation have been studied. When the charge ...
