A study of the properties of multifunctional coatings based on silicon dioxide and titanium dioxide with the inclusion of silver nanoparticles in their structure is presented. At present, there are methods for obtaining coatings based on Ag + SiO 2 and Ag + TiO 2 particles, but most of these methods require complex expensive laboratory equipment. The purpose of this work is to determine the optimal synthesis conditions for obtaining stable sols of silicon and titanium dioxide, as well as to study their properties by physicochemical research methods.
High-temperature enamel coatings with a sufficiently high firing temperature have been obtained, which provide the necessary protective properties and heat resistance. The results of scientific and experimental studies of the parameters and properties of the obtained coatings based on composite compositions modified by the addition of refractory fillers introduced by nanosized oxide powders are presented.
Currently, the problem of obtaining a defect-free corrosion-resistant glass enamel coating for steel pipelines is an urgent problem. The composition of the corrosion-resistant glass enamel coating for steel pipelines has been developed, the technical and operational properties of the synthesized glass enamel coatings have been investigated. The developed compositions of enamel coatings have a high adhesion rate, chemical resistance to aggressive media and can be recommended for implementation in the production of enameled pipes.
Protective coatings on the inner surface of the discharge shells of radiation sources contain oxides of aluminum, yttrium, magnesium, zirconium, and thorium. Protective coatings make it possible to increase the inertness of glass burners on the inner surface of the discharge shells in relation to vapors of corrosive metals at high temperatures and pressures, and also to increase the service life of mercury-cesium lamps by several times with a slight decrease in radiation during operation within the required values ??of their service life
The influence of the method of surface preparation of ceramics from aluminum oxide on the structure and characteristics of the applied metal coating has been studied. Carrying out such stages of surface preparation as degreasing, etching, sensitization and activation, made it possible to obtain uniform metal coatings with high adhesion. In this case, the stages of sensitization and activation can be combined into one stage of direct activation
