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1.
INVESTIGATION OF THE CHEMICAL INTERACTION OF HEAT-RESISTANT STEELS WITH ELECTROVACUUM GLASS G93-3M
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(Not-set)
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... in the production of glass insulators from electrovacuum glass grade G93-3M, widely used in the radio-electronic industry as cases for magnetic contacts. It is shown that at working temperatures there ...
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2.
PROTECTIVE TECHNOLOGICAL COATING BASED ON ZrO2–BaO–B2O3–SiO2 SYSTEM FOR PROTECTION OF HEAT-RESISTANT NICKEL ALLOY WITH SINGLE-CRYSTAL STRUCTURE DURING HEAT TREATMENT
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(Not-set)
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The purpose of this work was developing of protective technological coating for protection of heat-resistant nickel alloy with single-crystal structure ZHS30 during high-temperature homogenization. Based ...
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3.
ELECTRON-BEAM POWDER SURFACING OF Al2O3 ONTO TITANIUM IN THE FORE-VACUUM PRESSURE RANGE WITH PRELIMINARY POWDER DEGASSING
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(Not-set)
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The results of producing an Al2O3 composite coating on titanium by electron-beam cladding in the forevacuum pressure range (3…30 Pa) are presented. The microstructure, phase composition, and mechanical ...
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4.
Properties of the thin-film glass coatings obtained through laser deposition in vacuum
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(Coatings. Enamels.)
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... in vacuum by pulsed action on the starting materials of a neodymium laser. It is shown that the use of this method makes it possible to form films with a glass phase that is more stable with respect to ...
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5.
OPTICAL PROPERTIES OF HIGH PURITY SYNTHETIC QUARTZ GLASS AFTER HYDROGENATION
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(Not-set)
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This paper presents the results of annealing synthetic quartz glass of high purity at a temperature of 250 ?C and an elevated pressure of 7 MPa in an atmosphere of molecular hydrogen. Annealing under these ...
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6.
PREPARATION OF A COMPOSITE BASED ON HOLLOW GLASS MICROSPHERES MODIFIED WITH SILVER NANOPARTICLES
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(Not-set)
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Composite materials based on K 25 hollow glass microspheres were obtained by modifying them with silver nanoparticles obtained by an environmentally friendly “green” method using an aqueous plant extract ...
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7.
SYNTHESIS OF CERAMIC POWDERS OF HAFNIUM DIBORIDE BY CARBOTHERMAL RESTORATION METHOD
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(Not-set)
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The processes of obtaining hafnium diboride by the carbothermic reduction of hafnium oxide by heat treatment in a vacuum furnace and a spark plasma sintering installation have been studied. When the charge ...
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8.
INVESTIGATION OF THE LANTHANUM HEXABORIDE OBTAINING PROCESSES BY THE METHOD OF BOROTHERMAL REDUCTION
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(Not-set)
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... experimental studies on the lanthanum hexaboride powder synthesis by boron thermal reduction of lanthanum oxide in a vacuum furnace and a spark plasma sintering unit. The analysis of the obtained results ...
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9.
OXIDE-CONTAINING MINERAL FIBERS: TYPES, METHODS OF PRODUCTION, APPLICATION AND MANUFACTURERS (REVIEW)
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(Not-set)
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The article provides an overview of mineral oxide fibers of various chemical composition: aluminosilicate, alumina, silica, bio-soluble, zirconium oxide fibers and others. Methods for producing discrete ...
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10.
Composite Corundum Ceramics with Reinforcing Carbon Nano-tubes, Modified with Eutectic Additives
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(Not-set)
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... high-temperature heat treatment in vacuum on the strength properties of the material is considered. Samples were obtained with a mass content of carbon tubes of 0.4 & # 37; having the following characteristics: ...
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11.
Nickel Layer Control on Metallized Ceramics
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(Not-set)
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The effect of the thickness and chemical composition of the nickel surface on the vacuum density of VK 94 ceramics after soldering with PSr72 solder has been investigated. It has been established that ...
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12.
Laser Technology for Removal of Conducting Coatings from Electrowarmed Glassing Products (Review)
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(Science for glass production)
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A highly efficient method of laser removal of indium oxide films doped with tin In 2 O 3 (Sn) from the surface of soda-lime-silicate glass used for the manufacture of glazing products for railway transport ...
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13.
Effect of synthesis temperature on AlMgB14 phase composition
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(Science for ceramic production)
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... of free carbon in a vacuum of 10-2 Pa at 1200 - 1400 & # 176 ; C. The synthesized powders were analyzed by X-ray diffraction, SEM, EDX, and laser diffraction. The highest mass content of the main phase ...
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14.
Laser welding of glass
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(Science for glass production)
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A review of technologies for laser welding of glass is carried out. The technologies of welding with continuous CO 2 -laser radiation in the mode of surface heating and in the mode of deep penetration ...
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15.
Modern optical transparent composite ceramics
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(Science for ceramic production)
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... region of the spectrum, are shown. The modes of heat treatment of materials were established both in air and in vacuum. Mechanisms have been developed for creating a composite transparent material that ...
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16.
Laser welding of quartz glass
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(Science for glass production)
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The problem of manufacturing a quartz glass cell by welding with CO 2 lasers is being solved. Thermophysical analysis of the process was carried out and its mathematical model was drawn up. Welding was ...
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17.
Transparent ceramics based on yttrium oxide added with scandium and neodymium oxides
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(Science for ceramic production)
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... and roasting in vacuum have been established. A transparent ceramic material with a direct light transmittance of 68% in the visible region of the spectrum and a sintering temperature of 1800 ° C was obtained. ...
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18.
Thermochemical transformation of ilmenite-leucoxene concentrate
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(Raw materials)
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As a result of vacuum-thermal treatment of ilmenite-leucoxene concentrate modified with magnesium oxide additives, a porous silicatoferropseudobrukite composite material was synthesized, exhibiting the ...
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19.
The role of carbon in production of transparent alumina ceramics using powder alcoke technology
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(Science for ceramic production)
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The poor reproducibility of the transparency of corundum ceramics obtained by alkoxy technology is associated with the possibility of oxidized carbon from alkoxy groups entering the solid solution with ...
