DOI: 10.18503/1995-2732-2025-23-2-134-139
Abstract
Electrolytic chromium coatings with a thickness of 20 and 40 microns obtained by electrodeposition using standard methods have been studied. Such coatings are widely used in mechanical engineering, the aviation and automotive industries, as well as in the manufacture of tools and parts operated under high loads and aggressive environments. To study the possibility of increasing the hardness, wear resistance, and corrosion resistance of these coatings, the effects of thermal and chemical heat treatment on the microstructure and corrosion resistance were studied. The distribution of internal stresses, which have a significant effect on the physico-mechanical properties of the coating, has been studied and it has been shown that the internal stresses of electrodeposited chromium coatings depend on the concentration of defects in the crystalline structure. The type of defect prevailing in the coating structure is due to the properties of the metal and the conditions of electrolysis, as well as the effects of thermal and chemical heat treatment, which determine the magnitude and sign of internal stresses. The prevailing influence of point defects of the crystalline structure on the magnitude of internal stresses has been revealed.
Keywords
electrodeposited coatings, coating properties, corrosion resistance, operational properties, structure, internal stresses, chemical and thermal treatment
For citation
Chaugarova L.Z., Neupokoeva A.A., Kovenskiy I.M. The Influence of Internal Stresses Arising when Exposed to Chemical and Thermal Treatment, on the Properties of Electrodeposited Chromium Coatings. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2025, vol. 23, no. 2, pp. 134-139. https://doi.org/10.18503/1995-2732-2025-23-2-134-139
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