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21.
Calcium Phosphate Foam Ceramic Obtained by Firing a Powder Mixture of Hydroxyapatite-Monocalcium Phosphate Monohydrate
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(Not-set)
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The insertion into the impregnating suspension based on hydroxyapatite powder heat-treated at 800 °C, 24 wt. % of monocalcium phosphate monohydrate powder after firing at 1200 °C leads to the formation ...
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22.
Mullite Glass Powder Manufacturing with the Use of Alkoxotechnolog
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(Not-set)
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The advantages of alkoxy technology as one of the types of the sol-gel method for the synthesis of ceramics and glass ceramics are shown; an overview of the methods for the synthesis of alkoxides and oxides ...
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23.
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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24.
Electroflotation Extraction of Titanium Oxide and Nitride Powders from Aqueous Solutions
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(Not-set)
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The kinetics of the electroflotation process of extraction of TiO 2 and TiN powders from wastewater has been investigated. Experimental results show that stationary values ??are reached
in 20 & mdash; ...
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25.
Pre-ceramic Nanostructured LiZnMn Ferrite Powders: Synthesis, Structure and Electromagnetic Properties
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(Not-set)
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Nanocrystalline powders of LiZnMn ferrite were obtained by the method of solution combustion at various glycine-nitrate ratios (G / N = 0.2, 0.4, ..., 1.4). Elemental analysis showed that the composition ...
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26.
Chemical Transformations as a Tool for Managing the Properties of Calcium Carbonate Powder
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(Not-set)
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Powder of calcium carbonate CaCO 3 (calcite) with a particle size of 100-200 nm and a shape close to isometric was obtained by heat treatment at 600 ° C of a product synthesized from a 2M aqueous solution ...
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27.
Mechanism of Structural and Phase Formation of Hollow Alumino-Magnesium Spinel Microspheres when Producing Powders Using the Chemical Dispersion of Aluminum-Magnesium Alloys
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(Not-set)
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The results of a study of the processes underlying the formation of hollow alumina-magnesia microspheres during chemical dispersion of aluminum-magnesium alloys with an increased magnesium content are ...
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28.
Synthesis of YAG:Er Powders for Optically Transparent Ceramics Via Glycine-Nitrate Technique
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(Science for ceramic production)
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The results of the synthesis of erbium-doped yttrium-aluminum garnet nanopowders by the glycine-nitrate method to obtain optically transparent ceramics are discussed. The effect of synthesis conditions ...
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29.
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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30.
Influence of Particle Size of Aluminum Oxide Powder on Spark-Plasma Sintering
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(Science for ceramic production)
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The results of a comparative study of compacts obtained from nano- and ultradispersed (UF) powders of aluminum oxide with a spherical shape of particles by the method of spark-plasma sintering are presented. ...
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31.
Calciumposphate Penokeramics on the Basis of Powder Mixture Hydroxyapatite?Brochites
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(Biomaterials)
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Introduction to the impregnating suspension based on hydroxyapatite powder, heat-treated at 800 ° C, 10 - 50 ° C; (by weight) of brushite powder heated at 50 ° C, after firing at 1200 ° C leads to partial ...
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32.
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)
-
... 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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33.
Calcium-phosphate ceramics in Са(РО3)2?Са2Р2О7 system based on calcium hydrophosphates powder batch
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(Biomaterials)
-
To obtain resorbable ceramics in the Ca system (PO 3 ) 2 -Ca 2 P 2 O 7 used powder mixtures prepared using mechanical activation from synthetic hydrated calcium acid phosphates Ca (H 2 PO 4 ...
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34.
Production of high-density bitstone powders for alumina-based ceramics sintering
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(Science for ceramic production)
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The results of theoretical and experimental studies of methods for obtaining powder fillings with a relative density of more than 0.50 for subsequent sintering of samples of high-density ceramics based ...
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35.
Influence of increased boron content on SPS-consolidation and properties of commercial silicon carbide powder
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(Science for ceramic production)
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Consolidation of industrial silicon carbide powder was carried out using a spark plasma sintering unit. It has been shown that preliminary mechanical activation is a promising method for introducing a ...
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36.
Powders synthesized from calcium acetate and mixed-anion solution of phosphate- and carbonate-ions for bioceramics production
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(Biomaterials)
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From an aqueous solution of calcium acetate and a mixed-anionic (HPO 4 2- / CO 3 2- ) aqueous solution containing ammonium hydrogen phosphate and ammonium carbonate, an X-ray amorphous powder was ...
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37.
Anion-exchange synthesis of copper ferrite powders
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(At the enterprises and institutes)
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A method for the synthesis of copper ferrite is proposed, which consists in the anion-exchange precipitation of copper (II) and iron (III) from solutions of their salts in the presence of tartrate ions ...
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38.
Phase composition of calcium phosphate ceramics made from nanopowders with Ca/P ratio of 1,25 obtained by mechanoactivation
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(Biomaterials)
-
The processes occurring at the stages of mechanical activation of powders and firing of samples pressed from calcium phosphate nanopowders with a molar ratio of Ca / P = 1.25 have been studied. Washing ...
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39.
Methods of magnesium aluminate spinel powders synthesis for optically transparent ceramics (a review)
-
(Science for ceramic production)
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Prospects for the use of optically transparent ceramics made of aluminum-magnesium spinel are considered. The technologies for the synthesis of spinel powders for subsequent use in the production of transparent ...
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40.
Calcium phosphate powder synthesis from calcium formiate and ammonium hydro-phosphate for bio-compatible resorbable bi-phase ceramics production
-
(Biomaterials)
-
Calcium phosphate powder was synthesized from calcium formate Ca (CHO 2 ) 2 and ammonium hydrogen phosphate (NH 4 ) 2 HPO 4 at the Ca / P ratio in the initial aqueous solutions equal to 1. The ...
