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1.
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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2.
Determination of the special pressing pressure of clay materials in band vacuum presses
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(Equipment)
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The issues of improving the design of equipment, in particular belt vacuum presses, for the production of clay materials are highlighted. The basic formulas for calculating the specific pressing pressure ...
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3.
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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4.
IMPROVEMENT OF THE PHYSICO-MECHANICAL PROPERTIES OF FACING BRICKS THROUGH HYPERPRESSING BASED ON LOCAL RAW MATERIALS
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(Not-set)
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... through the hyperpressing method. The objective of the study is to develop an efficient technology for producing construction materials using local, including non-standard raw materials and industrial ...
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5.
SINTERING OF AMORPHOUS Al(OН)3 USING COLD ISOSTATIC PRESSING
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(Not-set)
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... thermal dehydration. Cold isostatic pressing at pressures of 200, 600, and 1000 MPa was used to make compacts with a density of 62, 69, and 79 % of the theoretical density. The temperature dependence of ...
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6.
Optimal pressure in uniaxial molding of ceramic powders
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(Science for ceramic production)
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The behavior of a mixture of oxide powders was investigated in the process of pressing blanks. The entire pressing process can be conditionally divided into three main stages, differing from each other ...
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7.
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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8.
PHYSICAL AND MECHANICAL PROPERTIES OF CERAMIC COMPOSITE MATERIAL BASED ON Al6Si2O13–ZrSiO4
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(Not-set)
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... planetary ball mill using zirconium dioxide balls as grinding bodies. The activated powders were pressed under pressing pressures of 50, 100, 200 and 300 MPa. Consolidation was carried out in an atmospheric ...
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9.
THE INFLUENCE OF DIAMOND GRINDING MODES ON THE PHASE COMPOSITION AND CRACK RESISTANCE OF ZIRCONIA-BASED CERAMICS
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(Not-set)
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... – 6 mol. % MgO was obtained by chemical co-precipitation from solutions of zirconium and magnesium chloride salts. The blanks of the samples were made by cold isostatic pressing at maximum pressures of ...
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10.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 1: METHODS OF CALCIUM ZIRCONATE SYNTHESIS
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical properties of products based thereon. Methods for CaZrO3 production, such as solid-phase synthesis, electric ...
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11.
SINTERING CHARACTERISTICS AND THERMAL PROPERTIES OF POROUS CERAMICS BASED ON HYDROPHLOGOPITE AND REFRACTORY CLAYS
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(Not-set)
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The results of research on the development of compositions of ceramic masses for obtaining effective heat-insulating materials and products are presented. The materials were obtained by pressing using ...
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12.
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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13.
PIEZOCERAMICS TECHNOLOGIES: APPROACHES FOR ENVIRONMENTAL IMPACT MITIGATION
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(Not-set)
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The functional ceramic materials are broadly used in the electronic industry. Many of them are comprised of ferroelectric materials because of their outstanding piezoelectric and dielectric properties. ...
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14.
Porous Ceramic Materials for Catalytically Active Membranes by Technological Combustion and Sintering Methods
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(Not-set)
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... wets the coarse SiC particles and forms a porous strong membrane framework. The dependence of the pore size of the ceramic material on the pressing pressure was investigated, which made it possible to ...
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15.
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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16.
Vibrocompacting of Lead-Free Piezoceramic Powder Material Based on Solid Solutions of Potassium and Sodium Niobates
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(Science for ceramic production)
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The possibility of obtaining samples of lead-free piezoelectric ceramics using vibration molding at a pressing pressure of less than 0.3 MPa is being considered. The experiments were carried out on the ...
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17.
Cold Sintering of ZnO Ceramics in the Aquatic Medium: Test Demonstration
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(Science for ceramic production)
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... The results obtained show that dense zinc oxide ceramics can be obtained by pressing (pressing pressure p = 77 MPa) in an aqueous medium at temperatures of 220-250 ° C. It was found that during pressing ...
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18.
Ceramic Material Composite on the Basis of Silicon Carbide with Eutectic Additives
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(Science for ceramic production)
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... Al 2 O 3 -MnO-TiO 2 system is considered depending on the ratio of silicon carbide / eutectic additive: 99/1 , 97/3 and 95/5 and pressing pressure on the sintering performance of a ceramic matrix ...
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19.
Production of aluminum-graphite composite by spark-plasma sintering
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(At the enterprises and institutes)
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An alumina-graphite composite was obtained by the method of spark-plasma sintering. The influence of the size of graphite particles, the compaction temperature and the holding time on the formation of ...
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20.
Optically transparent ceramics (review) [3-10]
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(Ceramic materials)
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The features of the manufacture of optically transparent ceramic materials for various fields of application are considered. Technologies for compacting and sintering transparent ceramics are described, ...
