Abstract
The article presents a study of the structure and properties of carbon-containing nanostructured coatings obtained by electric discharge methods. X-ray structural analysis of coatings was carried out using a DRON-4-07 diffractometer with a copper tube. Images of the surface morphology were obtained using a JSM-6700F scanning electron microscope. The coating surfaces were examined using a Solver P47H atomic force microscope. The surface hardness of the obtained samples was determined using a ball with a diameter of 1.588 mm at a load of 588.4 N. The method of electric discharge treatment of carbon-containing gases allows to obtain a nanostructured coating of almost the same size particles that form micrometer globules. Nanocarbon coating has no impurities. Particle sizes are no more 40 nm. This coating is X-ray amorphous and attenuates X-rays at wavelength \(\lambda_{{k_{\alpha } }}\) = 0,154,178 nm on average by 51%. Electric discharge through a metal conductor in carbon-containing gas allows to obtain a nanostructured composite coating, which consists of carbon, metal and carbide globules and is uniform in particle size. The particle sizes obtained from tungsten wires are 40 nm, and from titanium wires—100 nm. The hardness of the substrate surface is significantly increased due to the applied coating.
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Vinnychenko, D.V., Nazarova, N.S., Boguslavskii, L.Z. et al. Structure and properties of carbon-containing nanostructured coatings on metal surfaces obtained by electric discharge in gas and electric explosion of electrical conductors. Appl Nanosci 13, 7315–7320 (2023). https://doi.org/10.1007/s13204-023-02907-1
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DOI: https://doi.org/10.1007/s13204-023-02907-1