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21.
SYNTHESIS OF CERAMIC PIGMENTS WITH WILLEMITE STRUCTURE AND THEIR USE IN OBTAINING BLUE GLAZES
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(Not-set)
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The ability of isovalent substitution of zinc and cobalt atoms in the structure of willemite Zn2SiO4 was studied, ceramic pigments with willemite structure of blue, violet and blue colors were synthesized. ...
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22.
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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23.
EFFECT OF CRYSTALLIZATION ON LOCAL STRUCTURE AND OPTICAL PROPERTIES OF THE GLASS OF 12.5Li2O–50GeO2–37.5P2O5 COMPOSITION
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(Not-set)
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The glass of 12.5Li2O–50GeO2–37.5P2O5 composition was synthesized by melt quenching. By means of its thermal annealing, single-phase LiGe2(PO4)3 composition was obtained, which is promising as a solid ...
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24.
SOL-GEL SYNTHESIS AND EFFECTS OF NEODYMIUM AND EUROPIUM OXIDES ON THE STRUCTURE FORMATION OF CALCIUM MONOALUMINATE
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(Not-set)
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Calcium monoaluminate was synthesized using the sol-gel method and the effect of europium and neodymium oxides on the synthesis and kinetics of structure formation in the temperature range of 500 – 1000 ...
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25.
CALCIUM ZIRCONATE: METHODS OF SYNTHESIS AND APPLICATIONS OF CERAMIC AND REFRACTORY MATERIALS BASED THEREON – A REVIEW. PART 1: METHODS OF CALCIUM ZIRCONATE SYNTHESIS
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(Not-set)
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The publication presents general information about calcium zirconate and the physical/chemical properties of products based thereon. Methods for CaZrO3 production, such as solid-phase synthesis, electric ...
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26.
TECHNOLOGICAL METHODS FOR INCREASING THE FLUORINE CONTENT IN THE GLASSES OF THE SrO–Al2O3–P2O5–SiO2–F SYSTEM FOR GLASS IONOMER CEMENTS
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(Not-set)
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The influence of the technological parameters of glass melting of the selected composition in the SrO–Al2O3–P2O5–SiO2–F system on the value of the refractive index and the amount of fluorine that remains ...
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27.
THE EFFECT OF ALKALINE COMPONENTS ON THE PROPERTIES OF DENTAL FILLING GLASSES
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(Not-set)
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The influence of modification of the glasses composition of the strontium-aluminum-borosilicate system on their technological and physic-chemical properties has been studied. The introduction of two alkalis ...
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28.
NANOCRYTALLINE GLASS CERAMICS BASED ON PERLITE: SYNTHESIS AND RESEARCH
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(Not-set)
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From a cheap perlite as the basic raw material an opaque glass-crystalline material was synthesized containing nanosized crystals of wollastonite and gehlenite with an average size of 100 nm. The phase ...
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29.
PREPARATION, STRUCTURE AND IONIC CONDUCTIVITY OF THE M0.9Y0.1O2–?–BiScO3 (M = Zr, Ce)
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(Not-set)
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Samples of Zr0.9Y0.1O2–?–BiScO3 and Сe0.9Y0.1O2–?–BiScO3 solid solutions were obtained by solid-phase synthesis. X-ray diffraction revealed that the Zr0.9Y0.1O2–?–BiScO3 system corresponds to a tetragonal ...
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30.
GLAUCONITIC SANDSTONES OF THE CHANGI DEPOSIT ARE A PROMISING RAW MATERIAL FOR OBTAINING GREEN AND BROWN PIGMENT
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(Not-set)
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The results of the research are given: the physicochemical properties of glauconite sandstones of the Changi deposit, the fractional composition, enrichment methods are determined, thermal activation is ...
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31.
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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... is due to the presence of the absorbing component of the glass filler - oxide and strontium fluoride, which are introduced into the glass together. The use of fusible fluorine-containing raw materials ...
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32.
GLASS FILLERS BASED ON THE SrO–Al2O3–B2O3–SiO2 SYSTEM FOR DENTAL COMPOSITES
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(Not-set)
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Dental composite ?lling materials based on glass in the SrO–Al2O3–B2O3–SiO2 system was obtained. The glass filler meets the modern level of requirements for filling materials, and is characterized by high ...
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33.
GLASSES WITH A HIGH CONTENT OF PHOSPHORUS OXIDE FOR FILLERS OF GLASS IONOMER CEMENTS
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(Not-set)
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Glasses were obtained in the SiO2–Al2O3–SrO–P2O5–F system with a phosphorus oxide content in the range of 7 – 12 mol. %. The set of properties of the obtained glasses (refractive index 1.514 – 1.535, TCE ...
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34.
OBTAINING OF ALKALINE-FREE ALUMINOSILICATE GLASS CERAMICS BY SOL-GEL METHOD AND INVESTIGANING OF ITS PROPERTIES
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(Not-set)
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... phases, depending on the composition, are anorthites or their solid solutions, their formation temperatures have been established: hexagonal celsian is formed at a temperature of 1350 °C, monoclinic strontium ...
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35.
Features of the Synthesis of Magnesium Aluminate Spinel by Sol Gel Method
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(Not-set)
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The results of studies of the chemical and mineralogical characteristics of alumina-containing wastes of the gas processing industry and the possibilities of their use for the synthesis of aluminum-magnesium ...
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36.
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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37.
Of B2O3 and P2O5 Additives on Silicate and Glass Formation at Srtontium Aluminosilicate Glass Melting
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(Not-set)
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the results of studies on reducing the melting temperature of strontium aluminosilicate glass by introducing boron and phosphorus oxides into the charge are presented, the main physicochemical processes ...
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38.
Obtaining of High-Porous Ceramic Materials on the Basis of Alumina-Magnesia Spinel
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(Not-set)
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The object of research is ceramic foam materials based on aluminum oxide, magnesium oxide and aluminum-magnesia spinel. The results of research on sintering spinel ceramics using aluminum and magnesium ...
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39.
Vibrocompacting of Lead-Free Piezoceramic Powder Material Based on Solid Solutions of Potassium and Sodium Niobates
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(Science for ceramic production)
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The possibility of obtaining samples of lead-free piezoelectric ceramics using vibration molding at a pressing pressure of less than 0.3 MPa is being considered. The experiments were carried out on the ...
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40.
The Processes of Gelation, Phase Formation and Sintering in the Process of Synthesis by the Sol-Gel Method of Aluminosilicate Glass-Ceramic Modified with Refractory Hafnium and Zirconium Oxides
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(Glassceramics)
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The sol-gel method was used to synthesize glass ceramics based on the compositions of the Sr (Ba) - Al 2 O 3 - SiO 2 systems, modified with the addition of zirconium oxides ZrO < sub> 2 and hafnium ...