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21.
CERAMICS WITH ULTRAHIGH PERMITTIVITY VALUES: COMPOSITIONS, SYNTHESIS METHODS AND PROPERTIES AT LOW AND MEDIUM FREQUENCIES
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(Not-set)
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An overview of dielectric materials with high (more than 10 000) values of relative permittivity is presented. Most of the compositions of these materials are based on systems that include ferroelectric ...
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22.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 2. APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED ON CALCIUM ZIRCONA
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical characteristics of products based thereon. The main fields of application of ceramic and refractory materials ...
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23.
APPLICATION OF SOL-GEL TECHNIQUE FOR SYNTHESIS OF NANOSTRUCTURED PIEZOELECTRIC MATERIALS IN LEAD ZIRCONATE-TITANATE SYSTEM – A REVIEW. PART 1. POWDERS SYNTHESIS
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(Not-set)
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In the present study, we presented a review progress in sol-gel method for the synthesis of powders of ferroelectric ceramics of the PbTiO3–PbZrO3 system, based on the controlled hydrolysis of mixtures ...
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24.
FIXATION OF THE OPTICAL FIBER IN THE CONNECTOR USING HYDROGEL
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(Not-set)
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A method of fastening optical fiber in a quartz connector with a sodium polysilicate hydrogel obtained in a cylindrical gap between the connector and the fiber due to the alkaline decomposition of quartz ...
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25.
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM
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(Not-set)
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Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, ...
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26.
APPLICATION OF THERMAL PLASMA ENERGY FOR PRODUCING GLASS-CRYSTALLINE MATERIALS
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(Not-set)
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The characteristics of glass-ceramic materials obtained using thermal plasma have been studied. The effect of TPP ash on the properties of glass-ceramic materials should be taken into account. Samples ...
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27.
GLASSY FUNCTIONAL FILLERS OF GLASS IONOMER CEMENTS IN THE SrO–Al2O3–P2O5–SiO2–F SYSTEM
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(Not-set)
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Based on glass in the SrO–Al2O3–P2O5–SiO2–F system, functional glass fillers for glass ionomer cements containing up to 13 wt. % fluorine were obtained. The high level of radiopacity of the filling material ...
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28.
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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29.
EFFECT OF THE SYNTHESIS METHOD ON THE PHYSICOCHEMICAL PROPERTIES AND PHASE COMPOSITION OF ZIRCONIA
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(Not-set)
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Hydrated zirconia was obtained by solid state synthesis and precipitation. Physicochemical properties and phase composition of calcined hydrated zirconia was investigated by XRD, IR and DSC-TG. Hydrated ...
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30.
Glass Layer Forming in Ceramic Matrix Composite after Impact of High-Enthalpy Flow
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(Not-set)
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The structure of the surface layer of ceramic composite materials (CMC) of the compositions HfB 2 & # 8211; SiC and SiC & # 8211; TiC after exposure to a flow of dissociated air has been investigated. ...
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31.
Synthesis and Properties of Chlorine-Fluorine-Silicate Lead Glasses Nd-Doped
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(Not-set)
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The glass transition region in the PbCl 2 & # 8211; PbF 2 & # 8211; PbO & # 8211; SiO 2 system was investigated and glasses were obtained, including number activated by neodymium. The mechanical, ...
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32.
Glass-Ceramics Based on Lead Fluoroborate Glasses,
Co-Doped by Eu/Gd
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(Not-set)
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Transparent glass-crystalline materials co-activated with Eu 3+ / Gd 3+ were obtained by heat treatment of the initial lead fluoroborate glasses. It was found that the ions of rare-earth elements in ...
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33.
Phase Transformations in High-Temperature Fibrous Materials at Influence of Non-Equilibrium Temperature and Light Stream
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(Glassceramics)
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Investigations of changes in the phase composition and structure of modern ceramic materials under the action of a high-intensity light flux have been carried out. For the experiment, the technological ...
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34.
Additive techniques for ceramics manufacturing
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(Science for ceramic production)
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A review of publications devoted to additive technologies used in the production of ceramic products is presented. Methods for molding articles from sedimentation-resistant systems are described in most ...
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35.
Method of quartz rigging processing in micro- and nano-electronics production
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(At the enterprises and institutes)
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Investigations of the effect of various methods of processing quartz tooling in order to completely remove sparingly soluble films of borosilicate and phosphorosilicate glasses have been carried out. It ...
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36.
Synthesis of highly doped with boron diamond microcrystals and BC3-heterodiamonds at high pressures and temperatures
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(Science for ceramic production)
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The results of the synthesis and analysis of diamond microcrystals with a high degree of boron doping (& # 8776; 2 & # 37;), which were obtained from mixtures of gas soot with M-carborane at 8 GPa and ...
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37.
Study of composite glass-plastic supports stiffening behaviour
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(At the enterprises and institutes)
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A study of the stiffness characteristics of fiberglass supports with a taper angle & # 8776; 89 & # 176 ;. A method for determining the modulus of elasticity in tension and compression in the longitudinal ...
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38.
Structure and SO3 ions structural state in sulphate-containing glasses (a review)
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(Science for glass production)
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A review of the literature data on sulfate-containing glasses in silicate, borate, and phosphate systems is presented. Experimental data confirm the finding of the [SO 4 ] 2- group in an isolated state ...
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39.
Silicate glasses permeability to hydrogen
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(Science for glass production)
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Glasses of silicate, borosilicate, aluminosilicate and aluminoborosilicate systems are considered. Expressions have been obtained for determining the activation energy of hydrogen permeability, the hydrogen ...
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40.
Formation of luminescent and birefringent microareas in silver-containing phosphate glass
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(Science for glass production)
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On the example of glass of composition 40P 2 O 5 ; 55ZnO; 4Ag 2 O; 1Ga 2 O 3 (molar content,%), the possibility of the simultaneous formation of luminescent silver nanoparticles and microsized ...
