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1.
THE EFFECT OF BORON OXIDE ON THE TECHNOLOGICAL PROPERTIES OF STRONTIUM-ALUMINUM SILICATE GLASSES FOR DENTISTRY
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(Not-set)
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The effect of boron oxide additives in the amount from 0 to 11 mol. % was studied on the melting characteristic of glasses in the SrO–Al2O3–TiO2–ZrO2–B2O3–SiO2 system for use as fillers in dental filling ...
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2.
Crystallisation in Strontiumalumosilicate Systems: Effect of Modifying Additives on Melting Characteristics and Crystallisation Behaviour
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(Not-set)
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The influence of a number of modifying additives: calcium fluoride, zinc oxide and boron oxide, on the melting and crystallization properties of strontium aluminosilicate glasses is considered. The influence ...
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3.
Zirconia/Alumina Ceramic Composites Containing Strontium Hex-aaluminate
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(Not-set)
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The preparation and mechanical properties of composites 20 & # 37; molar fraction of Al 2 O 3 and 80 & # 37; [3Yb & # 8211; TZP] modified with strontium oxide. It is shown that in the process of heat ...
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4.
Synthesis of Lanthanum Cobaltite Powders with Strontium and Calcium Additives by Sol-Gel Method
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(Not-set)
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Powders of composition La 1 & ndash; x Sr (Ca) x CoO 3 (x = 0.2) was obtained using the sol-gel method. To dry the gels, a microwave installation (radiation power 90 W, frequency 2450 MHz) and ...
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5.
The influence of calcium, barium and strontium on thermal proper-ties of borosilicate glasses
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(Science for glass production)
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Differential scanning calorimetry was used to study the effect of calcium, barium and strontium oxides on the thermal properties of sodium borosilicate glasses. The thermal study data are compared with ...
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6.
Thermal cracking of optical glass by strontium vapor laser
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(Science for glass production)
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Investigations of controlled thermal cleavage of optical glass by the radiation of a strontium vapor laser have been carried out. It is shown that the high quality of the through separation of the display ...
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7.
Strontium-alumosilicate glassceramics synthesis using batch mechanoactivation
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(Science for glass production)
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The influence of mechanical activation of the charge on the glass-making process and the homogeneity of the obtained glass is considered. The object of research is refractory sitall glass. Mechanical activation ...
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8.
Barium and strontium titanates synthesized in concentrated photoenergy field
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(Science for ceramic production)
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... titanates BaTiO 3 and strontium SrTiO 3 . Specimens prepared on the basis of a crushed melt, after sintering at a temperature of 1350 ° C, exhibit higher values ??of mechanical strength and dielectric ...
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9.
Sintering and crystallization processes in strontium-anortite ceramics production
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(Glassceramics)
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The processes of crystallization and sintering, occurring during firing, during the production of strontium-anorthite glass-ceramics by the method of powder technology, have been studied. The character ...
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10.
Physical-chemical and structural processes occurring at temperature treating of strontium - alumina - silica glasses
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(At the enterprises and institutes)
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The paper presents the results of a study of physicochemical and structural processes occurring during heat treatment of glasses of strontium aluminosilicate composition using synchronous thermal analysis, ...
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11.
High-temperature interaction between calcium and strontium titanodisilicates
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(At the enterprises and institutes)
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High-temperature interactions between calcium and strontium titanodisilicates have been investigated. The formation of two limited series of tetragonal solid solutions based on these initial compounds ...
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12.
Cordiness of the strontium valve-bulb glass melted in a flame bath-type furnace of new design
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(Science for glass production)
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The reasons for the formation of streaks during the melting of electrovacuum strontium glass have been determined. The implementation of the developed measures has improved the quality of products. Tab. ...
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13.
Strontium aluminate based luminophors obtained using sol-gel method
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(Science for glass production)
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The sol-gel method synthesized phosphors based on strontium aluminates activated with europium and dysprosium ions. The effect of the ratio of strontium and aluminum oxides on the crystallization and luminescent ...
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14.
Strontium zirconate based ceramics
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(Science for ceramic production)
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A review is given of the information available in the literature on the synthesis of strontium zirconate, the properties of ceramics based on it, and its fields of application. Attention is also drawn ...
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15.
Porous ceramics obtained from strontium zirconate
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(Science for ceramic production)
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Porous ceramics were obtained from strontium zirconate synthesized from zirconium dioxide TsRO-2 and baddeleyite powder PB-1 and strontium carbonate using a burnout additive - bead polystyrene. The possibility ...
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16.
CERAMICS BASED ON POWDERS SYNTHESIZED FROM CALCIUM NITRATE AND SILICIC ACID PREPARED VIA ION EXCHANGE METHOD
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(Not-set)
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Ceramics in the CaO–SiO2 and Na2O–CaO–SiO2 systems were obtained from powders synthesized from aqueous solutions of silicic acid and calcium nitrate at a molar ratio of Ca/Si = 0.5 by direct precipitation ...
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17.
PHYSICO-MECHANICAL PROPERTIES OF BORON COATINGS DEPOSITED IN AN ATMOSPHERE OF VARIOUS GASES BY AN ELECTRON BEAM IN A FOREVACUUM
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(Not-set)
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The paper presents the results on the formation of boron-based coatings by precipitation of target material from a vapor-plasma phase formed by electron beam exposure to a solid-state target in the forevacuum ...
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18.
EFFECT OF CeO2 ON THE STRUCTURE AND PROPERTIES OF ALUMINA-ZIRCONIA CERAMICS PREPARED BY PRESSURELESS SINTERING AND HOT PRESSING
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(Not-set)
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The influence of ceria (CeO2: 0…3,56 wt. %) and sintering method (pressureless sintering in air, hot pressing in Ar) on the phase composition, microstructure, and properties of alumina-zirconia ceramics ...
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19.
CORROSION AND HEAT-RESISTANT NANOPOROUS CERAMIC MATERIALS BASED ON Y2O3 AND ?-Al2O3
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(Not-set)
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Porous ceramic materials, including those with the addition of ?-Al2O3 of the order of 10 %, were obtained on the basis of yttrium oxide, which is inert to sintering and has cubic syngony. The characteristics ...
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20.
STRUCTURAL FEATURES AND PROPERTIES OF SODIUM-RUBIDIUM ALUMINOBOROSILICATE GLASSES WITH THE ZIRCONIUM ADDITION
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(Not-set)
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The structure of matrix materials synthesized quenching sodium-rubidium aluminoborosilicate melts with the zirconium addition was studied using vibrational spectroscopy. The significant influence of zirconium ...
