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1.
THE EFFECT OF THE RATIO OF MgO/CaO SINTERING ADDITIVES ON THE OPTICAL PROPERTIES OF YAG:Cr CERAMICS
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(Not-set)
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In this study, we investigated how the composition and ratio of sintering additives MgO and CaO influence the optical properties of ceramic materials YAG:Cr3+ and YAG:Cr4+. All samples exhibited high transparency ...
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2.
THE COMBINED EFFECT OF SINTERING ADDITIVES MgO AND TEOS ON THE STRUCTURE AND OPTICAL PROPERTIES OF CERAMICS YAG:Yb, Er
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(Not-set)
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In this work, the effect of sintering additives based on magnesium oxide (MgO) and silicon oxide (TEOS) in concentrations from 0.02 to 0.10 wt. % and 0.2 to 0.5 wt. %, respectively, was investigated on ...
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3.
SINTERING PROCESSES AND SOLID-PHASE REACTIONS IN THE TRIPLE COMPOSITION “QUARTZITE–CLAY–ADDITIVES”
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(Not-set)
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The article presents the results of a physicochemical study of the process of high-temperature sintering and solid-phase reactions in a ternary composition based on Koitash quartzite, Angren clay and Karakhtaisky ...
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4.
Studies in high-performance alumina ceramics development (review). Part 1. Sintering with additives, reactive sintering, reinforced composites production
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(Science for ceramic production)
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... technological aspects. The first part of the review includes sintering Al 2 O 3 with additions of heteroelement oxides, reaction sintering with the addition of aluminum, and obtaining cermets of the ...
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5.
Effect of kolemanite additives on the properties, microstructure and sintering of heat-resistant spodumene ceramics
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(Science for ceramic production)
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The influence of colemanite additives on sintering, properties and microstructure of spodumene ceramics has been investigated. It has been established that the introduction of colemanite in an amount of ...
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6.
Phase-formation and sintering of hydroxyapatite-fluorspar compositions with alkali-containing additives
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(Biomaterials)
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The main difficulty in the manufacture of hydroxyapatite-based ceramic materials is their high sintering temperature. Potassium feldspars, low-melting leucite glass, and synthetic alkali-containing compounds ...
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7.
The effect of presynthesized powder additives in combined synthesis and sintering of SrZrO3 ceramics
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(Science for ceramic production)
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It was shown that the addition to the initial mixture of SrCO 3 and ZrO 2 , taken in a stoichiometric ratio to obtain SrZrO 3 , of a pre-synthesized powder resulted in combining synthesis with sintering ...
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8.
ANALYSIS OF THE INFLUENCE OF BORATE AND FLUORIDE FLUXES ON THE SINTERING OF SILICATE RAW MATERIALS
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(Not-set)
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The effectiveness of using borate (borax) and fluoride (sodium fluoride) fluxes in the sintering of crystalline (sand) and amorphous (diatomite) silicate raw materials was considered. The change in the ...
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9.
INFLUENCE OF THE ADDITIVE OF EUTECTIC COMPOSITION IN THE Li2O–B2O3 SYSTEM ON THE SINTERING PROCESS AND PROPERTIES OF CERAMICS BASED ON Li2MgTi3O8
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(Not-set)
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The influence of the eutectic additive of the Li2O–B2O3 system on the sintering process and dielectric properties of ceramics based on Li2MgTi3O8 has been investigated. It was determined that the introduction ...
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10.
THERMODYNAMIC ANALYSIS OF OXIDE-CARBON AND CARBON MONOXIDE CHEMICAL REACTIONS IN ORDER TO SELECT ADDITIVES FOR CARBON NANOTUBE REINFORCED CORUNDUM CERAMICS
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(Not-set)
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The calculation of Gibbs energy for reactions of interaction of ZrO2, Al2O3, SiO2, TiO2, CaO and MnO with carbon and carbon monoxide in temperature range 1273 – 2273 К (1000 – 2000 ?С) is made to select ...
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11.
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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12.
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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13.
Porous Ceramic Materials for Catalytically Active Membranes by Technological Combustion and Sintering Methods
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(Not-set)
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... carbide were introduced into the initial SiC powder, which, during sintering at temperatures in the range from 1100 to 1450 & # 176; C, form a liquid phase in the form of clinoenstatite MgSiO 3 , which ...
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14.
Synthesis, Structure and Properties of One- and Multi-Component Additives for Ceramic Materials Based on Aluminum Oxide (review)
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(Science for ceramic production)
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One- and multicomponent sintering additives for ceramics based on aluminum oxide are presented. It has been established from the literature that the use of one-component additives is less effective than ...
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15.
Ceramic Material Composite on the Basis of Silicon Carbide with Eutectic Additives
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(Science for ceramic production)
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... Al 2 O 3 -MnO-TiO 2 system is considered depending on the ratio of silicon carbide / eutectic additive: 99/1 , 97/3 and 95/5 and pressing pressure on the sintering performance of a ceramic matrix ...
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16.
Production of ceramic materials based on SiC with low-melting ox-ide additives
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(Science for ceramic production)
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Dense materials based on silicon carbide were obtained by liquid-phase sintering. The oxides MgO, Y 2 O 3 and Al 2 O 3 , corresponding to the composition of yttrium-aluminum garnet, were used as ...
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17.
Thermophysic properties of silicon carbide based composite ceramics materials made by sparkplasma sintering (SPS)
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(Science for ceramic production)
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The factors affecting the thermal conductivity of ceramic composite materials based on SiC with additives B 4 C, AlN, Si 3 N 4 , Y 2 O 3 , Al 2 O 3 , HfB 2 , obtained by spark plasma sintering ...
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18.
Recent studies in in high-performance alumina ceramics development (review). Part 2. Nanopowders synthesis and sintering, sol-gel technique and other methods of obtaining fine-grain and fiber alumina
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(Science for ceramic production)
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... emphasis is on technological aspects. The second part of the review includes the synthesis of aluminum oxide nanopowders and their use for sintering, the sol-gel method for obtaining Al 2 O 3 , other ...
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19.
Sol-gel synthesis of eutectic additives for silicon carbide-based ceramics
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(Science for ceramic production)
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A sol-gel synthesis was carried out by the eutectic composition method in the ternary oxide system MgO-Al 2 O 3 -Y 2 O 3 Used as a sintering aid for silicon carbide ceramics. A laboratory method ...
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20.
Glassware toughening by ultrafine nanoadditives
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(Science for glass production)
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The effect of the use of ultradispersed (nano) materials on the strength characteristics of glass samples of various chemical compositions obtained by high-temperature sintering from powder-forming components ...
