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1.
EFFECT OF THE THERMOCHEMICAL STRENGTHENING OF ALUMINOSILICATE GLASS ON THEIR OPTICAL AND MECHANICAL PROPERTIES
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(Not-set)
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The processes of thermochemical hardening of aluminosilicate glass are investigated. The glass was processed in a KNO3 melt under industrial and laboratory conditions at 440…480 °C for 1…120 h. The effect ...
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2.
FABRICATION, MICROSTRUCTURE AND PROPERTIES OF COMPOSITE OPTICAL CERAMICS YSAG:Nd3+/YSAG:Sm3+
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(Not-set)
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... microstructure and optical properties of YSAG:Nd3+/YSAG:Sm3+ composite ceramics was also investigated. It is shown that at the interface between the YSAG:Nd and YSAG:Sm layers there is a region of gradient ...
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3.
SYNTHESIS, STRUCTURE AND OPTICAL PROPERTIES OF LEAD GALLATE GLASSES
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(Not-set)
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... changes lead to a significant change in the physicochemical properties of glasses. The article considers in detail the spectral and optical properties of the PbO–Ga2O3 system. The glasses have a wide transparency ...
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4.
INFLUENCE OF SULFATE-ION ADDITIVE AT DIFFERENT STAGES OF YAG:Cr CERAMICS FABRICATION ON THE OPTICAL PROPERTIES
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(Not-set)
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In this study, the influence of the quantitative content of sulfate ions at key technological stages of the synthesis of YAG:Cr ceramic powder on the optical properties of ceramics was investigated. The ...
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5.
INVESTIGATION OF THE KINETICS OF VACUUM SINTERING OF OPTICAL LUMINESCENT CERAMICS Y3-xScxA5O12:Cr
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(Not-set)
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The purpose of this work is to study the effect of scandium in the dodecahedral and octahedral positions of the garnet crystal lattice on the features of vacuum sintering of optical ceramics Y3-хScxAl2-yScyAl3O12:Cr, ...
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6.
Refinement of the float-glass optical properties
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(Science for glass production)
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The analysis of the nature of defects causing optical distortion of glass is carried out. It was found that 70% of optical defects in float glass are associated with the formation of a ribbon in a molten ...
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7.
Optically transparent ceramics based on yttrium oxide using carbonate and alkoxide precursors
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(Science for ceramic production)
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Methods for the fabrication of optically transparent ceramic materials based on Y 2 O 3 using carbonate and alkoxide precursors are considered. It was found that the ceramics synthesized on the basis ...
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8.
INVESTIGATION OF THE STRUCTURE OF A TRANSPARENT GAHNITE-BASED GLASS-CERAMICS IN THE Na2O–ZnO–MgO–Al2O3–SiO2 SYSTEM BY TRANSMISSION ELECTRON MICROSCOPY
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(Not-set)
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It is known that the introduction of small Na2O additives (up to 5 mol. %) into the glass composition of the ZnO–MgO–Al2O3–SiO2 (ZMAS) does not interfere with the production of zinc spinel (ZnAl2O4) based ...
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9.
SYNTHESIS OF MULLITE-SILICA CERAMICS WITH ENHANCED ELECTROPHYSICAL PROPERTIES
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(Not-set)
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Presents the results of the synthesis of mullite-silica ceramics with improved electrophysical characteristics based on natural kaolinite raw materials extracted in the Orenburg region. The main attention ...
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10.
GLASS FORMATION AND PHASE TRANSFORMATIONS IN THE TeO2–ZnO–MoO3 SYSTEM
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(Not-set)
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The glass-forming region in the ternary system TeO2–ZnO–MoO3 was investigated at two melt cooling rates. The achieved molybdenum trioxide content in the glass reached up to 80 mol. % with varying TeO? ...
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11.
OBTAINING YAG:Ce CERAMICS WITH HIGH LUMINESCENT PROPERTIES
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(Not-set)
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The precursor powder and luminescent ceramics YAG:Ce based on it were obtained by reverse chemical deposition. The influence of sintering additives (CaO, MgO and TEOS), the concentration of the activator ...
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12.
ZINC BORATE GLASSES DOPED WITH COBALT: PREPARATION AND SPECTRAL PROPERTIES
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(Not-set)
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New glassy materials have been obtained in the ZnO–B2O3:CоO system. The physicochemical and spectral properties of zinc-borate glasses doped with cobalt have been studied in the composition range from ...
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13.
PIEZOCERAMICS TECHNOLOGIES: APPROACHES FOR ENVIRONMENTAL IMPACT MITIGATION
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(Not-set)
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The functional ceramic materials are broadly used in the electronic industry. Many of them are comprised of ferroelectric materials because of their outstanding piezoelectric and dielectric properties. ...
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14.
Properties and Structure of Iron-Containing Magnetic Glasses Based on the BaB2O4–BaSiO3 Eutectic
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(Not-set)
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The magnetic and some physicochemical properties of glasses based on barium-borosilicate eutectic with additions of iron and lithium oxides have been considered. Increasing in the Fe2O3 content leads to ...
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15.
High Purity Tungsten (VI) Oxide for Producing Advanced Laser Materials
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(Not-set)
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The effect of modifying oxides Nb 2 O 5 , BaO, Ga 2 O 3 , TiO 2 < / sub> on the glass-forming ability, thermal, physical and optical properties of glasses of the four-component system La 2 O ...
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16.
Nanostructured porous aluminium oxide: preparation, properties
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(Science for ceramic production)
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The results of studying the process of obtaining porous aluminum oxide, which is a typical self-organizing material, by anodic oxidation of aluminum in acidic solutions are presented. The functional dependences ...
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17.
Ceramic pigments of black color based on chromium-nickel spinel NiCr2O4
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(Science for ceramic production)
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The possibility of obtaining a black pigment based on nickel chromite (NiCr 2 O 4 ) is considered. The morphological, granulometric, X-ray structural and optical characteristics of the synthesized crystalline ...
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18.
Structure and properties of bismuth-borate glasses
(review)
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(Science for glass production)
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Generalized information on the structure of alkaline-borate compounds and glasses is presented, as well as data on the study of the properties and structure of bismuth borate compounds and glasses based ...
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19.
Spectroscopic features of terbium- and cerium-activated yittrum-alumoborate glasses
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(Science for glass production)
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The Judd-Ofelt parameters have been calculated for Tb 3+ ions in yttrium-aluminum borate glasses co-activated with Tb 3+ and Ce 3+ (X1) and activated only Tb 3+ (X2). The received parameters are: ...
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20.
Landmarks in cooperation between D. Mendeleyev University de-partment of ceramics and refractories and Glass and Ceramics
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(Jubilee)
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The research results of the Russian Chemical Technical University named after V.I. DI Mendeleev in the field of obtaining modern ceramic materials with high performance properties. The technological features ...
