Fabrication and characterisation of porous coatings obtained by plasma electrolytic oxidation

  • Krzysztof Rokosz Division of BioEngineering and Surface Electrochemistry, Faculty of Mechanical Engineering Koszalin University of Technology, Racławicka 15-17, PL 75-620 Koszalin, Poland
  • Tadeusz Hryniewicz Division of BioEngineering and Surface Electrochemistry, Faculty of Mechanical Engineering Koszalin University of Technology, Racławicka 15-17, PL 75-620 Koszalin, Poland
  • Steinar Raaen Department of Physics, Norwegian University of Science and Technology (NTNU) Realfagbygget E3-124 Høgskoleringen 5, NO 7491 Trondheim, Norway
  • Winfried Malorny Hochschule Wismar-University of Applied Sciences Technology, Business and Design, Faculty of Engineering, DE 23966 Wismar, Germany
Keywords: Plasma Electrolytic Oxidation (PEO), Micro Arc Oxidation (MAO), CP Titanium Grade 2, Niobium, Ti2448, Ti6Al4V, TNZ

Abstract

In the paper, characteristics of porous coatings enriched in copper on pure Titanium and its alloys (NiTi, Ti6Al4V, TNZ, Ti2448) as well as on niobium obtained by Plasma Electrolytic Oxidation (PEO) in electrolyte containing H3PO4 within Cu(NO3)2, are presented. All obtained surfaces of PEO coatings have different shapes and diameters of pores. The binding energies of main peaks for titanium Ti2p3/2, niobium Nb3d5/2, zirconium Zr3d5/2, phosphorus (P2p) and oxygen (O1s) suggest the presence of titanium Ti4+, niobium Nb5+ and zirconium Zrx+ (x≤2) as well as PO43–.

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Author Biographies

Krzysztof Rokosz, Division of BioEngineering and Surface Electrochemistry, Faculty of Mechanical Engineering Koszalin University of Technology, Racławicka 15-17, PL 75-620 Koszalin, Poland

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Krzysztof Rokosz graduated at Faculty of Electronics, Koszalin University of Technology (2001). He completed studies in Instituto Superior Tecnico Lisboa, Chemical Engineering Faculty, Portugal, in the scope of electrochemical corrosion methods (2003). He has got the PhD degree (2006) and DSc degree (2013) at Faculty of Mechanical Engineering, Koszalin University of Technology. He has performed research studies in Norway, Germany, France Austria, Czech Republic and Slovakia. Research interests: corrosion, electropolishing, plasma electrolytic oxidation, metallic biomaterials as well as data processing.

Tadeusz Hryniewicz, Division of BioEngineering and Surface Electrochemistry, Faculty of Mechanical Engineering Koszalin University of Technology, Racławicka 15-17, PL 75-620 Koszalin, Poland

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Tadeusz Hryniewicz graduated at the Faculty of Machine Building Technology, Szczecin University of Technology (1968). Then he completed industrial training (1968-71), got PhD (1979), professorship (2010). He had got the Fulbright allowance, completed studies at Chemical Engineering Faculty, University of California, Berkeley CA (USA), and made research works at Lawrence Berkeley Laboratory (1980-81). PhD and DSc degrees got from Wrocław University of Technology. He was invited to many technical universities in Europe and beyond as a visiting professor. Published in over 50 intl. Journal titles, served as a reviewer to 47 intl. Journals, Editor-in-Chief to 2 intl. Journals. Scientific interests: surface science, electrochemical corrosion, surface electrochemistry, metallic biomaterials, standard electropolishing and magnetoelectropolishing, plasma electrolytic oxidation.

Steinar Raaen, Department of Physics, Norwegian University of Science and Technology (NTNU) Realfagbygget E3-124 Høgskoleringen 5, NO 7491 Trondheim, Norway

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Steinar Raaen is a professor at the Department of Physics, Norwegian University of Science and Technology, NTNU in Trondheim, Norway. PhD in physics obtained from Polytechnic Institute of New York (USA) in 1984. Master of technology in physics from NTNU in 1980. Scientific interests: solid state physics and surface science.

Winfried Malorny, Hochschule Wismar-University of Applied Sciences Technology, Business and Design, Faculty of Engineering, DE 23966 Wismar, Germany

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Winfried Malorny is a professor at Hochschule Wismar, University of Applied Sciences Technology, Business and Design, Germany. He is involved in many projects with industry related to porous concrete. Under his management is the laboratory related to SEM, EDS, EBSD and XRD measurements.

Published
2017-06-01
How to Cite
Rokosz, K., Hryniewicz, T., Raaen, S. and Malorny, W. (2017) “Fabrication and characterisation of porous coatings obtained by plasma electrolytic oxidation”, Journal of Mechanical and Energy Engineering, 1(1), pp. 23-30. Available at: http://jmee.tu.koszalin.pl/ojs/index.php/jmee/article/view/35 (Accessed: 12December2018).
Section
Mechanical Engineering