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1.
STRUCTURE AND ELECTRICAL PROPERTIES OF MULTILAYER CERAMIC MATERIALS BASED ON MODIFIED POTASSIUM POLYTITANATES
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(Not-set)
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Some ceramic materials formed by sintering layered green bodies formed the compacted powders of the basic potassium polytitanate and this one modified with Mn compound are produced and investigated. Using ...
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2.
GLASS-CRYSTALLINE COMPOSITE MATERIAL BASED ON SHUNGITE ROCK AND HELLEFLINTA
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(Not-set)
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A series of glass-crystalline composites were produced by heating at 1350 °C of powdered mixtures of helleflinta (quartz-feldspar waste from the Kostomuksha GOK) and 5, 10, 20 and 40 mass. % of shungite ...
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3.
GLASS-LIKE CARBON FROM SUPERCRITICAL FLUID IN THE C–O–H SYSTEM AT TEMPERATURE 800 ?C AND PRESSURE 500…1000 ATM
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(Not-set)
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The paper presents the results of experimental modeling of glass-like carbon synthesis from high pressure supercritical fluid in the C–O–H system at temperature 800 °C and pressure 500…1000 atm. A full ...
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4.
INVESTIGATION OF THE INFLUENCE OF YTTERBIUM OXIDE ON PHASE COMPOSITION AND SHS PARAMETERS OF COMPOSITIONS BASED ON SILICON NITRIDE
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(Not-set)
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Using the method of self-propagating high-temperature synthesis (SHS) SHS compositions based on the Si3N4–Yb2O3 system were obtained. Synthesis by combustion was carried out in a nitrogen atmosphere at ...
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5.
APPLICATION FEATURES OF GLASS-CERAMIC SO-115M IN MANUFACTURING OF OPTICAL PARTS FOR RING He-Ne-LASERS
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(Not-set)
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The results of an investigations into the effect of filamentous striae with birefringence from 3 to 15 nm/cm in SO-115M glass-ceramic on the manufacturing quality of optical parts for ring lasers and the ...
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6.
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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7.
OBTAINING OF ALKALINE-FREE ALUMINOSILICATE GLASS CERAMICS BY SOL-GEL METHOD AND INVESTIGANING OF ITS PROPERTIES
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(Not-set)
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The glass-crystalline ceramic materials in SiO2–Al2O3–RO (RO–MgO, SrO, BaO and their combinations) systems have been synthesized by the sol-gel method. The factors influencing on the sol-gel formation ...
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8.
Formation of the Structure
of Cast Glass-Crystalline Spinelide-Pyroxene Materials under
Non-Equilibrium Crystallization
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(Not-set)
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The method of image analysis revealed how non-equilibrium solidification conditions (contact with air, with a mold, without contact) affect the macrostructural parameters of glass-crystalline spinel-pyroxene ...
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9.
Metal/Ceramic Composite Based on Ni?Al?SiO2 System Produced by Self-Propagating High-Temperature Synthesis
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(Coatings)
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By the method of self-propagating high-temperature synthesis (SHS) with preliminary mechanical activation treatment (MA), a cermet material was obtained based on the Ni? Al? SiO 2 system with different ...
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10.
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 sol-gel method was used to synthesize glass ceramics based on the compositions of the Sr (Ba) - Al 2 O 3 - SiO 2 systems, modified with the addition of zirconium oxides ZrO < sub> 2 and hafnium ...
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11.
Development of 3D ceramic structures with assigned architecture in Ca2P2O7-CaNa2P2O7 system
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(Science for ceramic production)
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The issues of creating three-dimensional structures of a given architecture based on pyrophosphate ceramics by the method of a removable additive are considered. The problems of filling a polymer negative, ...
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12.
Synthesis and electrophysical properties of potassium polytitan-ate based ceramic nanocomposites doped with chromium compounds
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(Science for ceramic production)
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The thermal behavior of potassium polytitanate modified in an aqueous solution of CrCl 3 for 4 and 18 h and characterized by varying degrees of uniformity of the distribution of chromium in the particles ...
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13.
Quasi-faceted call computing model and its application for bulk materials
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(At the enterprises and institutes)
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On the example of ordered packages of bulk media? balls considered a model of their structure? with cells in the form of conditionally cut (quasi-faceted) parallelepipeds, the vertices of which are located ...
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14.
Structure and properties of nanoporous Al2O3-based ceramics fabricated by isostatic pressing
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(Science for ceramic production)
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Nanoporous ceramics with a pore volume of about 60% were obtained by isostatic pressing from Al 2 O 3 nanopowder. The study of the microstructure, porosity and strength of the obtained ceramics has ...
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15.
Porosity and solubility of bioactive calcium-phosphate glassceramics for bone endoprosthesis
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(Biomaterials)
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The issues related to the solubility of glass-crystalline materials based on calcium phosphate glasses in water and solutions imitating the physiological environment of a living organism are considered. ...
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16.
Nature of Liquescence and Fluidity of Kaolin of the Zhuravliny Log Deposit (a Review)
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(Raw materials)
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A review of studies on the nature of the most effective methods for regulating the liquefaction and fluidity of kaolin from the Zhuravliny Log deposit is presented. The data on the material, mineral and ...
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17.
Powder of Ca-deficient hydroxyapatite for fabrication of ceramics based on tricalcium phosphate
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(Biomaterials)
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The properties of Ca-deficient hydroxyapatite powder synthesized from calcium nitrate and ammonium hydrogen phosphate at 60 ° C, pH = 7 and Ca / P = 1.67 are presented; 1.61 and 1.48. After firing at 1100 ...
