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The possibility of using high-calcium waste generated in chemical purification of sewage and lithium-bearing waste in production of ceramic tiles is considered. The processes occurring in their sintering are discussed.
The aspects of sintering of corundum-based ceramics with a eutectic additive of the MnO – Al 2 O 3 – SiO 2 system are considered in the context of the evolution of its structure. In sintering in the presence of a small quantity of eutectic, the behavior of the system is largely different...
The results of producing highly-disperse cubic aluminum oxide by the chemical precipitation method from aluminum hydroxide solutions with subsequent dehydration are described.
Enamel glasses are synthesized based on the Na 2 O – B 2 O 3 – Co 2 O 3 – SiO 2 system, including perlite, nepheline concentrate, and cullet. The physicochemical and technological properties of the resulting glasses and one-layer coatings based on these glasses are considered. A comparative...
Thin-film coatings based on zirconium and cobalt oxides are obtained. It is demonstrated that the properties of the coatings depend on the ratio of oxides in the film, the rotational speed of the substrate, and the firing temperature. Films with a low cobalt content have the highest refractive...
The reasons for the origination of defects in enameling watch bracelets made of L-90 brass are investigated using the methods of chemical and microstructural analysis. It is demonstrated that the defects are due to the increased content of bismuth and lead in the alloy. A method for eliminating...
The initial conditions and the factors that need to be taken into account in setting up ceramic mini-factories and in their subsequent evolution are identified.
The results of using alternative power sources in the technology of glass and glass ceramic materials are described. It is demonstrated that a decorative coating with good physicomechanical, thermal, and consumer properties is formed in the course of plasma-spray deposition of glass powders on...
The reasons for the origin of the most common defects in glazing of concrete (ferroconcrete) articles are considered, and possible methods for preventing these defects are specified.
The vitrification, structure, and physicochemical properties of glasses in the PbO – ZnO – B 2 O 3 – TeO 2 system are studied. The dual role of the lead ions in the glass structure is confirmed. It is demonstrated that the coordination transition of boron ions correlates with the...
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