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1.
EFFECT OF SURFACE GLAZE TREATMENT AND MECHANICAL POLISHING ON THE COLOR STABILITY OF TWO TYPES OF CAD/CAM CERAMICS
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(Not-set)
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... (ZLS) and lithium disilicate (LDS) glass-ceramic blocks were surface-treated using mechanical polishing and glazing techniques. In addition, their color was examined before and after immersion in a coffee ...
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2.
Influence of active components in polishing compositions on corudum surface layer dispergation during fine abrasive treatment
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(Materials processing)
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The study of wear products (sludge) formed during fine diamond-abrasive polishing of ruby ??showed that the size of the particles that broke off from the treated surface significantly depend on the properties ...
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3.
Special features of the surface quality control upon mechanical treatment of glass ceramics
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(Upgrading of quality)
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The results of studies of diamond grinding of glass ceramics are presented. A technological system for diamond flat grinding of parts made of brittle non-metallic materials has been obtained. The factors ...
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4.
Treatment of titanium surface prior to deposition of dental enamel coatings
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(Coatings. Enamels.)
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A method for surface treatment of titanium and its alloys prior to the application of dental enamels is proposed. The effect of surface treatment and protective atmosphere on the adhesion strength at the ...
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5.
FINISHING OF THE SURFACE OF CORUNDUM CERAMICS WITH AN ARGON CLUSTER-ION BEAM
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(Not-set)
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The effectiveness of an argon ion cluster beam for polishing the surface of corundum ceramics was investigated. Using atomic force microscopy, changes in the surface relief of VK-100 ceramics were studied ...
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6.
LEAD-SILICATE GLASS HYDROGEN PEROXIDE TREATMENT
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(Not-set)
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The surfaces of lead-silicate glasses and non-etched blanks of microchannel plates after their mechanical processing are studied. It was found that exposure of the obtained samples in a 33 % H2O2 solution ...
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7.
PREPARATION AND PROPERTIES OF VITREOUS COPPER-ZINC-CONTAINING PHOSPHATE COMPOSITION FOR TREATMENT OF MAKE-UP WATER IN CENTRALISED HEATING SYSTEMS
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(Not-set)
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... copper and zinc cations in the composition is revealed, which strengthens, evenly distributes the protective film on the surface of the system elements and provides maximum efficiency in the fight against ...
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8.
PREPARATION OF SELECTIVE VANADIUM-CONTAINING LAYERS ON THE OUTER SURFACE OF a?-Al2O3 BASED TUBULAR CERAMIC MEMBRANES
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(Not-set)
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The processes of obtaining selective vanadium-containing layers on the outer surface of tubular ceramic membranes based on a-Al2O3 for use in the petrochemical industry have been studied. A layer of V2O5?1.6H2O ...
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9.
PLASMA CHEMICAL TREATMENT OF ZIRCONIUM CATALYSTS BASED ON VERMICULITE
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(Not-set)
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The effect of plasma chemical treatment on the structure of vermiculite promoted by zirconium oxychloride has been studied using scanning electron microscopy, X-ray phase analysis, IR spectroscopy and ...
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10.
PRODUCTION OF GLASS-LIKE CARBON BY HIGH-ENERGY LASER TREATMENT ON A COAL TARGET
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(Not-set)
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Preliminary results of experimental modeling of impact process on coal substance by short-pulse laser radiation are presented. During the experiments extremely high temperatures and pressures have been ...
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11.
ADHESION OF THE Ge20Se80 GLASS TO SILICA GLASS, STAINLESS STEEL WITH NITRIDED AND NON-NITRIDED SURFACE AND TUNGSTEN CARBIDE
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(Not-set)
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... pull-off test for adhesion.
The maximum adhesion of chalcogenide glass among the studied structural materials is observed to stainless steel with a non-nitrided surface. The wetting and adhesion of the ...
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12.
REDUCTION OF CRACK FORMATION DURING ABRASIVE TREATMENT WITH DIAMOND PASTES OF SILICON CARBIDE SEMICONDUCTOR PLATES
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(Not-set)
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The results of diamond-abrasive treatment of the reverse side of silicon carbide semiconductor plates of polytypes 4H and 6H are presented. Dimensions of surface microcracks of ceramic plates after abrasive ...
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13.
SURFACE CHARGES AND ZERO CHARGE POINTS OF NATURAL CLAYS OF ORENBURG REGION
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(Not-set)
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The values of surface charges and zero charge points in water-clay suspensions with pH equal to 5, 7 and 9 have been studied. Their changes under the influence of a microwave field and variations in particle ...
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14.
BRUCITE-CONTAINING WASTE FROM THE PRODUCTION OF REFRACTORY MATERIALS IN WASTEWATER TREATMENT PROCESSES
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(Not-set)
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As part of the study, an assessment was made of the possibility of using magnesium-containing waste from the production of periclase in the processes of engineering environmental protection. Evaluation ...
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15.
SUBSTRATES FOR THE SURFACE ENHANCED RAMAN SPECTROSCOPY BASED ON NANOPOROUS GLASS ACTIVATED WITH SILVER PARTICLES
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(Not-set)
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Substrates for the surface enhance Raman spectroscopy (SERS) are being actively developed with the aim of precise detecting of the low concentrations of organic molecules. However, the complexity and cost ...
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16.
Influence of the Heat Treatment on the Properties of Nanoporous Glass Activated by Gold Nanoparticles
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(Not-set)
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Nanoporous glass is a universal matrix in which, by impregnating various substances, it is possible to initiate the appearance of properties uncharacteristic of glass. In this case, the porosity of glass ...
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17.
Ambient Environment Effect on a Polished Surfaces of OF4 and STK19 optical glass
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(Not-set)
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A study of the change in the state of the polished surface of optical glasses of STK19 and OF4 grades by ellipsometry, IR spectroscopy and measurement of sample roughness under the influence of the environment ...
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18.
Use of improved glassy phosphate composition for water treatment
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(At the enterprises and institutes)
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The results of experiments on studying the properties of a glassy phosphate composition, modernized with copper-containing additives, are presented. The composition is designed to protect the surfaces ...
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19.
Protection of BK10 optical glass polished surface from environ-mental impact
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(Science for glass production)
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Processes of changes in the state of polished surfaces of optical silicate glass BK10 are considered, the influence of the environment on them is determined. It was found that the treatment of polished ...
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20.
Microwave treatment of silicates with alumina-based dopants
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(At the enterprises and institutes)
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The results of treatment with a microwave field of silicates (bentonite clay and quartz sand), the effect of the field on the structure and technological characteristics of aqueous suspensions of silicates, ...
