An important factor in the process of formation of a metal-polymer coating is the effect of a high-temperature gas jet on the "coating-substrate" system, as the jet favours penetration and spread of a polymeric material over the surface of the substrate. It is this factor that makes this form of thermal spraying radically different from spraying metallic coatings. On the other hand, excessive heating of the surface can lead to oxidation and degradation of the polymeric component. Therefore, thermal phenomena taking place during the formation of thermal sprayed metal-polymeric coatings, i.e. the level and distribution of temperatures through the thickness of a coating were analysed. Based on the results of mathematical modeling, recommendations for the thermal spraying of metal-polymeric coatings (heat source speed, spraying distance, flow rate of working gases, etc.) were developed.

This paper describes the development and evaluation of multifunctional coatings for outdoor parabolic antennas. The plasma-sprayed composite coatings provide corrosion protection, reduce solar heating, and improve the absorption of EM radiation at the edges of the antenna while impeding its flow in other areas. The coatings also reduce the impact of the support structure on antenna performance. Paper includes a German-language abstract.

Microplasma spraying has the potential to expand the range of applications for plasma spraying, particularly for the production of functional coatings. The low heat input on the substrate material allows small and thin-walled components to be coated without risk of overheating or deformation and with less powder loss due to the small plasma jet. This paper investigates the influence of various process parameters on the spraying of molybdenum, stainless steel, WC-Co, zirconium dioxide, and aluminum oxide using a microplasma system. Material consumption, plasma jet size, and layer structure are measured along with various aspects of particle behavior in the plasma jet. Paper includes a German-language abstract.

This paper describes investigation into the effect of the inorganic fillers on structural and physical-mechanical properties of polyethylene-based composite coatings produced by thermal spraying. A comparative analysis of the thermal spraying methods was carried out using spray polymers as an example. It was found that the powder particles made of aluminum and an Fe-B alloy, which were added to the polymeric materials, act as artificial crosslinking centers. This resulted in a decreasing grain size and an improvement in the physical and mechanical properties of the coatings. At low fill levels of the polymeric materials (up to 10% by volume), the degree of oxidation of the coating material decreased during spraying. Paper includes a German-language abstract.

In thermal spraying of metal-polymer coatings, the processes of polymers oxidation and destruction can have special features, as the temperature of heating of the filler particles can significantly exceed the temperature of destruction of the polymer binder. Hence, the need to study the features of the process of formation of thermal sprayed coatings from filled polymers and their physico-chemical, mechanical and service properties. This paper describes the influence of a filler composition and conditions of flame spraying on a structure and mechanical properties of composite polymer coatings. It is observed that addition of 5-10 vol. % of Fe-Ni-B alloy powder to low-pressure polyethylene polymer matrices, improves the wear resistance of thermal sprayed coatings 1.2-1.3 times under the conditions of gas-abrasive wear, compared to purely polymer coating, owing to the combination of the higher hardness of the coating with the high damping properties of the polymer matrix.