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21.
Phase Transformations in High-Temperature Fibrous Materials at Influence of Non-Equilibrium Temperature and Light Stream
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(Glassceramics)
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Investigations of changes in the phase composition and structure of modern ceramic materials under the action of a high-intensity light flux have been carried out. For the experiment, the technological ...
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22.
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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23.
Production and thermal stability of nanodisperse bicomponent materials in SnO2?СеO2 system
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(Science for ceramic production)
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... Boronin AI, Korenev SV, Novopashin SA Catalysts for low-temperature CO oxidation based on Pd / CeO2 - SnO2 composites synthesized under nonequilibrium conditions // Proceedings of the II Russian Congress ...
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24.
Properties of SiC and Si3N4 based composite ceramics with nanosizes components
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(Science for ceramic production)
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... 100 ° C below the sintering of materials with the addition of micron-sized oxide powders. High mechanical properties were obtained: & # 963; bend = 540 MPa, K1C = 5.5 MPa m1 / 2, НV = 20.1 GPa for materials ...
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25.
Formation of nickel, cobalt and aluminium-based porous materials in self-propagating high temperature vacuum synthesis
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(Science for ceramic production)
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As a result of calculating the influence of the volumetric effect of a chemical reaction on the porosity of the formation of the final product for the Al-Ni-Co system in vacuum, it is shown that the synthesized ...
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26.
STUDY OF THE HOMOGENEITY OF THE CHEMICAL COMPOSITION OF LEAD-GERMANATE GLASSES BY LASER-INDUCED BREAKDOWN SPECTROSCOPY METHOD
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(Not-set)
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... is proposed, allowing for the visualization of the spatial distribution of elements on the sample surface. This paper presents the results of a LIBS study of lead-germanate glass samples of various compositions ...
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27.
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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28.
PHYSICAL AND MECHANICAL PROPERTIES OF Al-Al2O3 CERMET WITH A HETEROGENEOUS GRANULE-LAYERED STRUCTURE PRODUCED USING MECHANICAL ALLOYING AND VACUUM SINTERING
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(Not-set)
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... the amount of 15% by weight ensured a combination of low density – 2.54 g/cm3 with significant indicators of its mechanical properties (flexural strength – 280 MPa, axial compression strength – 350 MPa, ...
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29.
LTCC-RESISTORS
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(Not-set)
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In this paper the experience of using regular and specially developed resistive pastes for resistors compatible with LTCC substrates is reviewed. Characteristics of surface, buried, and 3D resistors manufactured ...
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30.
THE PROCESS OF FORMATION OF CRYSTALLINE PHASES IN HEAT-RESISTANT CORDIERITE-CONTAINING ELECTRICAL MATERIALS
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(Not-set)
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... are of theoretical and practical interest for synthesizing heat-resistant materials, expand the understanding of the processes occurring in multicomponent systems, and allow to better understand the sequence ...
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31.
SINTERING OF Mg2TiO4 CERAMICS OBTAINED BY THE METHOD OF MECHANOCHEMICAL ACTIVATION OF A MIXTURE OF INITIAL POWDERS
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(Not-set)
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In this work, the effect of mechanochemical activation time of mixtures of initial components on the sintering of magnesium titanate ceramics is studied. The apparent activation energy of sintering samples ...
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32.
STUDY OF CHARACTERISTICS OF ADHESIVE PERMANENT JOINTS IN REACTION-SINTERED CERAMIC MATERIALS BASED ON SILICON CARBIDE
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(Not-set)
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... of carbide and carbon particles. The joints have the following key structural physical and mechanical characteristics depending on the ratio of the phase components formed in the volumetric joining zone: ...
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33.
ON HIGH-TECH APPLICATIONS OF ZIRCONIUM DIOXIDE, PARTIALLY STABILIZED WITH YTTRIUM OXIDE (REVIEW)
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(Not-set)
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... of thin-film transistors, where its outstanding dielectric properties and thermal stability become determining factors. This allows you to create reliable and high-performance electronic components. In ...
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34.
CORROSION AND HEAT-RESISTANT NANOPOROUS CERAMIC MATERIALS BASED ON Y2O3 AND ?-Al2O3
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(Not-set)
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Porous ceramic materials, including those with the addition of ?-Al2O3 of the order of 10 %, were obtained on the basis of yttrium oxide, which is inert to sintering and has cubic syngony. The characteristics ...
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35.
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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36.
PHYSICAL AND MECHANICAL PROPERTIES OF CERAMIC COMPOSITE MATERIAL BASED ON Al6Si2O13–ZrSiO4
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(Not-set)
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Composite ceramic materials based on SiO2–Al2O3–ZrO2 nanopowders were obtained by sintering and their properties were studied. Before sintering, the powders were subjected to mechanical activation in a ...
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37.
HEAT-INSULATING MATERIALS BASED ON EXPANDED ROCKS OF UZBEKISTAN
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(Not-set)
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... a significant effect on the apparent density. Pre-synthesized clay phosphate binder on red-burning clay, introduced into the initial perlite mixtures, allows increasing the strength of samples by 2 times ...
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38.
CERAMIC WASTE AS AN ALTERNATIVE SOURCE OF ALUMINOSILICATE RAW MATERIALS FOR THE PRODUCTION OF PORTLAND CEMENT CLINKER
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(Not-set)
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Through comprehensive studies of the chemical and mineralogical composition and technological properties of the wastes of ceramic production of “Kulol” JSC in order to be able to use them as a component ...
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39.
X-RAY PHOTOELECTRON SPECTROSCOPY OF Bi2Ni1/2Co1/2Ta2O9 ± ? OXIDE CERAMICS
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(Not-set)
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... was characterized by photoelectron spectroscopy (XPS) and NEXAFS.
A characteristic shift of the Ta4f spectrum toward lower energies by 0.8 eV is observed for pyrochlore, due to which the effective charge ...
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40.
MECHANOCHEMICAL SYNTHESIS OF CuO/ZnO/Al2O3 OXIDE COMPOSITE FOR CATALYTIC SYSTEMS
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(Not-set)
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... of the composite is shown. By the method of low-temperature adsorption-desorption of nitrogen, it was found that in the process of mechanochemical synthesis, the total specific surface of the samples changes ...
