Alumina coatings are widely used in a range of industrial applications to improve corrosion protection, wear and erosion resistances, and thermal insulation of metallic surfaces. Refined alumina surfaces with long-term use are obtained from various efficient and adjustable processes. It can be seen that costefficient arc-sprayed Al coatings post-treated by plasma-electrolytic oxidation (PEO) form Al2O3 -layers with remarkable corrosion protection, hardness, bonding strength, and abrasion resistance, as well as with the extended service time. The properties of these coatings are compared with alumina coatings obtained by flame spraying and atmospheric plasma spraying.
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References
A. L. Yerokhin, X. Nie, A. Leyland, et al., “Plasma electrolysis for surface engineering,” Surface and Coatings Technology, 122, No. 2–3, 73–93 (1999).
W. Gu, D. Shen, Y. Wang, et al., “Deposition of duplex Al2O3/Aluminum coatings on steel using a combined technique of arc spraying and plasma electrolytic oxidation,” Applied Surf. Sci., 252, No. 8, 2927–2932 (2006).
B. Wielage, H. Pokhmurska, T. Grund, and D. Meyer, “Peculiarities of abrasive wear of PEO layers obtained on arc sprayed alumi-num coatings,” in: Proc. ITSC 2008, DVS-Verlag, ISBN 978-2-87155-979-2 (2008), pp. 594–596.
V. Pokhmurskii, G. Nykyforchyn, M. Student, et al., “Plasma electrolytic oxidation of arc sprayed aluminum coatings,” J. Therm. Spray Technol., 16, No. 5–6, 998–1004 (2007).
F. Jaspard-Mécuson, T. Czerwiec, G. Henrion, et al., “Tailored aluminum oxide layers by bipolar current adjustment in the Plasma Electrolytic Oxidation (PEO) process,” Surface and Coatings Technology, 201, No. 21, 8677–8682 (2007).
G. Sundararajan and L. Rama Krishna, “Mechanisms underlying the formation of thick alumina coatings through the MAO coating technology,” Surface and Coatings Technology, 167, No. 2–3, 269–277 (2003).
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The authors would like to thank the “Deutsche Forschungsgemeinschaft” (DFG) for supporting the research project WI 688/87-1
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Lampke, T., Meyer, D., Alisch, G. et al. Corrosion and wear behavior of alumina coatings obtained by various methods. Mater Sci 46, 591–598 (2011). https://doi.org/10.1007/s11003-011-9328-2
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DOI: https://doi.org/10.1007/s11003-011-9328-2