employee
St. Petersburg, St. Petersburg, Russian Federation
employee
St. Petersburg, St. Petersburg, Russian Federation
Russian Library and Bibliographic Classification 345
The study objective is to show the variety of possible methods of oxidating aluminum alloy parts, the variety of properties of oxide coatings, and possible rational areas of their application. A comparison of fundamentally different oxidation methods, i.e. anode and microarc ones is given. It is shown that the properties of such coatings can differ fundamentally. The work is based on the experience of industrial electroplating related to various methods of electroplating aluminum alloys and laboratory studies of microarc oxidation. The main conclusion of the paper is the need for broader research on the rational use of various oxide coatings of aluminum alloy parts, depending on their operating conditions.
alloys, oxidation, methods, mechanical engineering, properties
1. GOST 9.305-84. Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. Technological process operations for coating production. Moscow: Izdatelstvo Standartov; 2003
2. Tomashov ND, Tyukina MN, Zalivalov FP. Thick-layer oxidation of aluminum and aluminum alloys. Moscow: Mashinostroenie; 1968.
3. Mirzoev RA, Davydov AD. Anodic processes of electrochemical and chemical processing of metals: textbook. St. Petersburg: Publishing House of Polytechnic University; 2013.
4. Devyatkina IN, Spasskaya MM, Moskvichev AN. Anodic oxidation of aluminum and its alloys for obtaining high-quality electroplating. Vestnik of Lobachevsky University of Nizhni Novgorod. 2013;4(1):109-114.
5. Skopintsev VD, Margolin LN, Farafonov VV.Development of the technology of anodic oxidation of aluminum and its alloys. Electroplating and Surface Treatment. 2019;27(2).
6. Zhukovsky AV, Morozov EM, Shandrov BV. Technology and equipment for hardening surfaces of parts by microarc oxidation. Moscow: MSTU "MAMI"; 2011.
7. Rakoch AG, Khokhlov VV, Bautin, VA. Model concepts of microarc oxidation of metallic materials and control of this process. Protection of Metals and Physical Chemistry of Surfaces. 2006;42(2):173-184.
8. Markov MA, Perevislov SN, Krasikov AV. Study of microarc oxidation of aluminum modified with silicon carbide particles. Russian Journal of Applied Chemistry. 2018;91(4).
9. Khokhlov VV, Zharinov PM, Rakoch AG. Corrosion resistance of D16 alloy with oxide-ceramic coatings obtained by microarc oxidation in silicate electrolytes. Corrosion: Materials, Protection. 2007;4:23-27.
10. Ponomarev IS, Krivonosova EA, Gorchakov AI. Mechanical characteristics of an oxidized surface under various oxidation modes. Izvestia of Samara Scientific Center of the Russian Academy of Sciences. 2013;15(6-2):469-472.



