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1.
INVESTIGATION OF PHASE TRANSFORMATION ASPECTS IN THE REACTIVE SINTERING OF ZIRCONIUM DIBORIDE AND ZIRCONIUM CARBIDE
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(Not-set)
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Reactive sintering (siliconizing) at 1550?°C was employed to produce composite materials in the SiC–ZrB2 and SiC–ZrC systems. The influence of the initial zirconium compound on phase transformations, microstructure, ...
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2.
THE INFLUENCE OF SiC ADDITIVE ON THE FORMATION OF PHASE COMPOSITION AND MECHANICAL PROPERTIES OF Al2O3–ZrB2 CERAMIC COMPOSITES
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(Not-set)
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The effect of silicon carbide on the microstructure, phase composition, and mechanical properties of Al2O3–ZrB2 composites was investigated. It was found that in the binary Al2O3–ZrB2 composite, the aluminum ...
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3.
THE PROCESS OF FORMATION OF CRYSTALLINE PHASES IN HEAT-RESISTANT CORDIERITE-CONTAINING ELECTRICAL MATERIALS
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(Not-set)
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The article presents the results of studies of heat-resistant insulating ceramics, as well as a mechanism of cordierite phase formation during single firing of compositions containing polymineral clay ...
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4.
PHASE FORMATION OF NEW PYROCHLORE TYPE CERAMICS Bi2.7Zn0.46Ni0.70Sb2O10 + ?
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(Not-set)
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The process of phase formation of new antimony pyrochlore (sp. gr. Fd-3m) Bi2.7Zn0.46Ni0.70Sb2O10 + ? during solid-phase synthesis from oxide precursors was studied. The process of solid-phase synthesis ...
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5.
GLASS FORMATION AND PHASE TRANSFORMATIONS IN THE TeO2–ZnO–MoO3 SYSTEM
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(Not-set)
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... and ZnO ratios. The phase composition of the batch and the resulting glass under thermal treatment was studied using X-ray diffraction analysis. Within the temperature range of 20…300 °C, no significant ...
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6.
FEATURES OF GARNET PHASE FORMATION IN THE Y2O3–Lu2O3–Yb2O3–Ee2O3–Al2O3 SYSTEM IN THE SYNTHESIS OF NANOCRYSTALLINE LOW-AGGLOMERATED CERAMIC POWDERS BY COPRECIPITATION METHOD USING AMMONIUM ...
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(Not-set)
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... were synthesized using the chemical coprecipitation method. It was determined that the process of garnet phase formation under the synthesis conditions used occurs through the formation of intermediate ...
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7.
PHASE TRANSFORMATIONS UNDER THE ACTION OF FEMTOSECOND PULSES IN THE GLASS-CERAMIC OF ZnO–MgO–Al2O3–SiO2 SYSTEM
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(Not-set)
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... and electron diffraction. Quantitative phase microscopy was used to evaluate changes in the refractive index in individual tracks written by a laser beam. At the repetition frequency of 10 kHz in non-thermal ...
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8.
STUDY OF THE MICROSTRUCTURE AND PHASE FORMATION IN CERAMICS BASED ON Zn, Sn AND Ti OXIDES
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(Not-set)
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... for dispersion-strengthening in silver-based electrical contact materials. The phase formation and microstructure of the obtained material were studied by the methods of scanning electron microscopy, energy ...
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9.
Influence of Copper (II) Oxide on Microstructure and Phase Trans-formations of Bismuth Orthoniobate
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(Not-set)
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The microstructure and phase transformations of copper-doped BiNbO 4 ceramics synthesized at 950 and 1100 & # 176; C are investigated. According to XRD data, samples in a compact, pressed form crystallize ...
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10.
Mechanism of Structural and Phase Formation of Hollow Alumino-Magnesium Spinel Microspheres when Producing Powders Using the Chemical Dispersion of Aluminum-Magnesium Alloys
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(Not-set)
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The results of a study of the processes underlying the formation of hollow alumina-magnesia microspheres during chemical dispersion of aluminum-magnesium alloys with an increased magnesium content are ...
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11.
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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12.
The Processes of Gelation, Phase Formation and Sintering in the Process of Synthesis by the Sol-Gel Method of Aluminosilicate Glass-Ceramic Modified with Refractory Hafnium and Zirconium Oxides
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(Glassceramics)
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... the sintering of glass ceramics, and also leads to a change in the temperature ranges of the phase formation processes and the nature of the precipitated crystalline phases. The use of the sol-gel method ...
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13.
The Formation of Zr-La-O Oxide Phases at Thermochemical Transformation of Modified Zirconium Hydroxide
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(Science for ceramic production)
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The features of the effect of additives of lanthanum cations on the thermochemical behavior of modified zirconium hydroxide have been investigated. It is shown that the composition and properties of the ...
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14.
Crystalline phase formation in foamglass and its effect on material performance
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(Science for glass production)
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The results of studies on the formation of the crystalline phase in the foam glass matrix, as well as the effect that it has on the operational properties of the material (compressive strength, density, ...
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15.
Formation of polycrystalline diamond structure and phase composition under cobalt infiltration in diamond - hard alloy system
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(Science for ceramic production)
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... used to analyze the interaction at the grain-bond and grain-grain interface. After the infiltration of cobalt at the grain boundaries, the grain binder contains phases of nanodiamond and cubic cobalt carbide ...
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16.
Synthesis and phase formation in Cu-Cr-O system
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(Science for ceramic production)
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The conditions for the formation of phases in the Cu-Cr-O system with different technological background are analyzed. The synthesized materials were characterized using X-ray phase analysis methods. The ...
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17.
Regulation of structure and phase formation in low-temperatutre processes development for clay raw materials
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(Science for ceramic production)
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The role of a mineralizing additive in high-carbonate masses during low-temperature firing has been established, which ensures a decrease in the crystallization temperature and an intensification of the ...
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18.
Phase transformations of silicon-aluminum-magnesium systems based on a precursor obtained by micellar technology [20-25]
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(Science for ceramic production)
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Phase transformations of model compositions of cordierite ceramics based on silicon dioxide synthesized by micellar technology have been studied by thermogravimetry, differential scanning analysis, and ...
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19.
Phase and structure formation in ZnO and TIO2 based ceramics.
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(Science for ceramic production)
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Zn 2 TiO 4 - ZnO ceramic samples were obtained using zinc and titanium oxide nanopowders. Phase formation, as well as the microstructure and elemental composition of the phases being formed, have been ...
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20.
Synthesis and phase formation in NiO - CuO - Fe2O3 - Cr2O3 system
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(Science for ceramic production)
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The process of phase formation in the system of oxides NiO - CuO - Fe 2 O 3 - Cr 2 O 3 has been studied. It was found that in the presence of a mineralizer, the process of structure formation leads ...
