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1.
The Cobalt Spinel Synthesis: the Effect of a Mechanical Activation and Magnesium/Zinc Ions Doping
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(Coatings)
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Thermal analysis was used to study the behavior of various cobalt oxides (CoO, Co 2 O 3 and Co 3 O 4 ) when heated. At 200 - 850 & # 176; C Co 2 O 3 gradually passed into Co 3 O 4 , which ...
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2.
Anion-exchange synthesis of spinel-type cobalt pigments
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(Coatings)
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The synthesis of ultramarine blue pigment is proposed by coprecipitation of cobalt and aluminum from nitrate solutions with anionite AB-17-8 in the OH-form, followed by calcining the precursor at 750 ° ...
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3.
DECORATIVE COATINGS BASED ON ALUMINA PHOSPHATE BINDER, SPINEL-TYPE PIGMENT, AND WOLLASTONITE
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(Not-set)
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The study compares two types of coatings based on an alumina phosphate binder with a cobalt-containing spinel pigment: one without wollastonite and one with its addition. The coating without wollastonite ...
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4.
PREPARATION OF FINE MAGNESIUM ALUMINATE SPINEL POWDER BY SHS: EFFECT OF NaCl MINERALIZER ON PHASE COMPOSITION AND DISPERSITY
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(Not-set)
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Magnesium aluminate spinel in a submicron state was obtained for the first time directly in a combustion wave by self-propagating high-temperature synthesis (SHS) from aluminum and magnesium oxides, using ...
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5.
STRUCTURE AND PROPERTIES OF COBALT-CONTAINING UNGLASS PAINTS FOR PORCELAIN DECORATION
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(Not-set)
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The article presents a study of the properties and structure of underglaze paints with different cobalt pigments and the development on their basis of the composition of the paint for porcelain Gzhel, ...
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6.
MECHANOCHEMICAL AND CERAMIC SYNTHESIS OF COBALT FERRITE
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(Not-set)
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In this work we studied the effect of mechanochemical activation on the formation of the cobalt ferrite phase from iron and cobalt oxalates. X-ray phase, X-ray diffraction and synchronous thermal analysis, ...
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7.
Influence of Underglazing Paints in the Form of Solutions of Cobalt and Nickel Salts on Porcelain Structure
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(Not-set)
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The influence of underglaze paints in the form of solutions of cobalt and nickel salts on the formation of the structure of a porcelain article, especially in the zone of contact between porcelain and ...
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8.
Production and properties of ceramics from cobalt oxide nanopowders
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(Science for ceramic production)
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Using the method of electrospark sintering (SPS) on the basis of nanosized cobalt oxide powder, a fine-grained (about 200 nm), dense, durable ceramic with a microhardness of up to 10 GPa was created.
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9.
Synthesis of spinel-type ceramic pigments and glazes
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(Science for ceramic production)
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The results of studies on the synthesis of ceramic pigments based on titanomagnetite using zinc, magnesium, cobalt and manganese oxides as modifying additives are presented. The phase compositions of the ...
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10.
The effect of compositions and synthesis conditions on the structure of Co-containing spinellide-type pigments
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(Science for ceramic production)
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The results of obtaining blue-blue cobalt-containing spinels by the method of self-propagating high-temperature synthesis are presented. The influence of the synthesis conditions and composition on the ...
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11.
Synthesis of spinel-based ceramic pigments from hydroxycarbonates
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(Science for ceramic production)
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A technology for obtaining a pigment based on spinel Co 1- x Mg x Al 2 O 4 has been developed, where 0.67 & # 8804; x & # 8804; 0.80. The pigment is bright blue in color and is identical to the ...
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12.
Pigments of a spinel type
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(Science for ceramic production)
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Methods for the synthesis of cobalt-containing spinels of various compositions have been proposed, the use of which for the production of ceramic paints makes it possible to eliminate a number of defects, ...
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13.
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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14.
Anion-exchange synthesis of yittrium-aluminium garnet powders
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(At the enterprises and institutes)
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A new method for the synthesis of yttrium-aluminum garnet powder Y3Al5O12 is proposed, which consists in the anion-exchange coprecipitation of yttrium and aluminum from chloride solutions with the Purolite
A-300 ...
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15.
Broadband luminescence in nano-structured glasses
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(At the enterprises and institutes)
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On the example of glasses of the R 2 O - Ga 2 O 3 - SiO 2 - GeO 2 (R = Li, Na), activated by Ni 2+ , the mechanism of the emergence of broadband luminescence in the near-IR region of the spectrum ...
