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1.
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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2.
CORUNDUM CERAMICS BASED ON RUSSIAN RAW MATERIALS WITH A REDUCED SINTERING TEMPERATURE
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(Not-set)
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The physico-mechanical properties of corundum ceramics based on domestic alumina grade Г-00 have been studied. It was found that the best mechanical strength indicators were obtained for ceramics fired ...
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3.
VACUUM-TIGHT CORUNDUM CERAMICS VK94-1 MODIFIED WITH ZIRCONIUM DIOXIDE
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(Not-set)
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This article describes the process of obtaining VK94-1 ceramics modified with zirconium dioxide ZrO2, in order to determine and compare such properties of the resulting composite material as: apparent ...
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4.
GLASS CERAMIC BASED ON CORUNDUM MODIFIED WITH BOROSILICATE GLASS FOR LTCC TECHNOLOGY APPLICATION
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(Not-set)
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In the paper presents the process of producing glass ceramics based on corundum modified with borosilicate glass with various additives. The described Al2O3/SiO2–B2O3–CaO–MgO–Na2O–K2O system has developed ...
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5.
SYNTHESIS AND INVESTIGATION OF PROPERTIES OF MULLITE-CORUNDUM CERAMICS AS A COMPONENT OF CERAMIC COMPOSITE MATERIALS
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(Not-set)
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The paper studies the conditions for synthesis of mullite-corundum ceramics obtained on the basis of Al2O3 and SiO2. The composition of mullite-corundum ceramics with an Al2O3 content < 80 wt.% has been ...
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6.
THERMODYNAMIC ANALYSIS OF OXIDE-CARBON AND CARBON MONOXIDE CHEMICAL REACTIONS IN ORDER TO SELECT ADDITIVES FOR CARBON NANOTUBE REINFORCED CORUNDUM CERAMICS
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(Not-set)
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The calculation of Gibbs energy for reactions of interaction of ZrO2, Al2O3, SiO2, TiO2, CaO and MnO with carbon and carbon monoxide in temperature range 1273 – 2273 К (1000 – 2000 ?С) is made to select ...
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7.
On the Issue of Obtaining High-Density Corundum Ceramics with a Defect-Free POlished Surface and Low Roughness by the SPS Method
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(Not-set)
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The fundamental possibility of obtaining corundum ceramics with density close to theoretical, with defect-free polished surface, with low roughness, using as a starting material finely dispersed non-aggregated ...
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8.
Composite Corundum Ceramics with Reinforcing Carbon Nano-tubes, Modified with Eutectic Additives
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(Not-set)
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The characteristics of composite materials of the Al 2 O 3 & # 8211; carbon nanotubes & # 8211; eutectic additives. The influence of the content of the reinforcing component, as well as the mode of ...
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9.
Assessment of the Influence of the Size and Shape of Corundum Particles on the Radius of Capillaries of Porous Ceramics
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(Not-set)
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A method is proposed for assessing the effect of the size and shape of alumina powder particles on the average radius of the capillaries of the porous structure of alumina ceramics by the geometric coefficient ...
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10.
Peculiarities of heat-insulating materials macrostructure based on mullite-corundum composition
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(At the enterprises and institutes)
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The features of the macrostructure of rigid heat-insulating materials based on fibers of mullite-corundum composition are considered, the change in the physical and mechanical properties of materials over ...
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11.
Lead titanate batch composition influence on thermal expansion coefficience of low-melting glass materials for corundum leak-tight low-temperature soldering
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(At the enterprises and institutes)
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The influence of the granulometric parameters of crystalline lead titanate on the thermal expansion coefficient of soldering glass compositions used for low-temperature vacuum-tight soldering of corundum ...
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12.
Transport reactions in processing of Keiv deposit kianite concen-trate for corundum production
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(At the enterprises and institutes)
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Gas transport reactions are widely used in the chemistry of solids, since the direct interaction of solid phases with each other is difficult. The developed process of enrichment of kyanite concentrate, ...
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13.
Correlation characteristics of thermal expansion volume coefficient and thermal capacity in corundum
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(At the enterprises and institutes)
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A detailed consideration of the correlation relationship between the temperature coefficient of volumetric expansion (TCDC) o (T) ?-Al 2 O 3 of corundum and its heat capacity C (T) is carried out. ...
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14.
Use of a ceramometallic binder in fabrication of a mullite-corundum material
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(Science for ceramic production)
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The idea of ??using a ceramic-metal binder with a high content of metal filler in the production of mullite-corundum ceramics with a low sintering temperature is proposed. The optimal composition of this ...
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15.
Energy-efficient cooling of baddeleite-corundum in glass furnaces
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(Equipment)
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A method of cooling the baddeleyite-corundum masonry of a cooking basin using a perforated surface for air outflow is considered. The results of calculating jet heat transfer and heat transfer to the environment ...
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16.
The use of crome-corundum ceramic refractories in an electric glass furmace for glass S production
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(Industrial experience)
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An analysis of the use of refractory products in an electric glass furnace is carried out. The prospects of using chromium-corundum ceramic refractories in electric furnaces on the basis of their operating ...
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17.
Composite material based on corundum reinforced with carbon nanotubes
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(Science for ceramic production)
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A new composite ceramic material based on corundum reinforced with multilayer carbon nanotubes (CNTs) obtained by catalytic pyrolysis has been developed. The modes of vacuum roasting and preliminary treatment ...
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18.
The shape effect of the powder particles of the uniform electrocorundum on the physicochemical properties of the specimens obtained from porous permeable ceramics
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(Science for ceramic production)
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The physical and technical characteristics of powders of monofraction electrofused corundum of fraction F240, produced by JSC RUSAL Boksitogorsk (Russia), and F240 Alodur WSK, ZWSK, SWSK, produced by Traibacher ...
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19.
Properties of porous permeable ceramics based on uniform corundum powders and nanodisperse binder
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(Science for ceramic production)
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Based on the calculations performed for various types of densest packings of spherical particles, it was concluded that it is possible to create in practice porous permeable ceramic materials with open ...
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20.
Special features of synthesizing pigments with corundum-spinel structure
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(Science for ceramic production)
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The results of a study of the possibility of synthesizing pigments of a corundum-spinel structure are presented, methods of directed regulation of the processes of structure and phase formation for obtaining ...
