Blar i NTNU Open på forfatter "Dudek, Lukasz"
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Characterisation of porous coatings formed on titanium under AC plasma electrolytic oxidation
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Gaiaschi, Sofia; Chapon, Patrick; Raaen, Steinar; Dudek, Lukasz; Pietrzak, Kornel; malorny, winfried; Ciuperca, Radion (Journal article; Peer reviewed, 2018)The Plasma Electrolytic Oxidation (PEO) process may be used to fabricate porous coatings on titanium. The ranges of voltages used in case of these plasma treatments are different. It has been found that for DC PEO processing ... -
Characterisation of porous coatings formed on titanium under DC plasma electrolytic oxidation
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Gaiaschi, Sofia; Chapon, Patrick; Raaen, Steinar; Dudek, Lukasz; Pietrzak, Kornel; malorny, winfried; Ciuperca, Radion (Journal article; Peer reviewed, 2018)Porous coatings on titanium may be obtained by AC or DC Plasma Electrolytic Oxidation (PEO) process. One has to point out that depending on the plasma treatment the ranges of voltages used are different. It has been found ... -
Characterization of Porous Phosphate Coatings Enriched with Calcium, Magnesium, Zinc and Copper Created on CP Titanium Grade 2 by Plasma Electrolytic Oxidation
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Kacalak, Wojciech; Tandecka, Katarzyna; Raaen, Steinar; Gaiaschi, Sofia; Chapon, Patrick; malorny, winfried; Matysek, Dalibor; Dudek, Lukasz; Pietrzak, Kornel (Journal article; Peer reviewed, 2018)In the paper, the effect of voltage increase (from 500 VDC up to 650 VDC) on the structure and chemical composition of the porous coating on titanium made by Plasma Electrolytic Oxidation is presented. Phosphates-based ... -
Fabrication and Characterisation of Porous Coatings Enriched with Copper on CP Titanium Grade 2 under Plasma Electrolytic Oxidation
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Gaiaschi, Sofia; Chapon, Patrick; Raaen, Steinar; Dudek, Lukasz; malorny, winfried (Journal article; Peer reviewed, 2019)In the present paper, coatings obtained on CP Titanium Grade 2 samples by Plasma Electrolytic Oxidation (PEO) in electrolyte containing concentrated phosphoric acid H3PO4 with copper nitrate Cu(NO3)2∙3H2O, are studied with ... -
Novel Porous Phosphorus–Calcium–Magnesium Coatings on Titanium with Copper or Zinc Obtained by DC Plasma Electrolytic Oxidation: Fabrication and Characterization
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Gaiaschi, Sofia; Chapon, Patrick; Raaen, Steinar; Matysek, Dalibor; Dudek, Lukasz; Pietrzak, Kornel (Journal article; Peer reviewed, 2018)In this paper, the characteristics of new porous coatings fabricated at three voltages in electrolytes based on H3PO4 with calcium nitrate tetrahydrate, magnesium nitrate hexahydrate, and copper(II) nitrate trihydrate are ... -
Phosphate Coatings Enriched with Copper on Titanium Substrate Fabricated Via DC-PEO Process
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Kacalak, Wojciech; Tandecka, Katarzyna; Raaen, Steinar; Gaiaschi, Sofia; Chapon, Patrick; Malorny, Winfried; Matysek, Dalibor; Pietrzak, Kornel; Dudek, Lukasz (Peer reviewed; Journal article, 2020)The present paper covers the possible ways to fabricate advanced porous coatings that are enriched in copper on a titanium substrate through Direct Current Plasma Electrolytic Oxidation (DC-PEO) with voltage control, in ... -
Porous Coatings Containing Copper and Phosphorus Obtained by Plasma Electrolytic Oxidation of Titanium
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Kacalak, Wojciech; Tandecka, Katarzyna; Raaen, Steinar; Gaiaschi, Sofia; Chapon, Patrick; malorny, winfried; Matysek, Dalibor; Pietrzak, Kornel; Czerwinska, Ewa; Iwanek, Anna; Dudek, Lukasz (Journal article; Peer reviewed, 2020)To fabricate porous copper coatings on titanium, we used the process of plasma electrolyticoxidation (PEO) with voltage control. For all experiments, the three-phase step-up transformer withsix-diode Graetz bridge was used. ... -
SEM, EDS and XPS Analysis of the Coatings Obtained on Titanium after Plasma Electrolytic Oxidation in Electrolytes Containing Copper Nitrate
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Matysek, Dalibor; Raaen, Steinar; Valicek, Jan; Dudek, Lukasz; Harnicarova, Marta (Journal article; Peer reviewed, 2016)In the paper, the Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS) and X-ray Photoelectron Spectroscopy (XPS) results of the surface layer formed on pure titanium after plasma electrolytic ... -
SEM, EDS and XPS studies of AC & DC PEO coatings obtained on titanium substrate
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Dudek, Lukasz; Pietrzak, Kornel; Raaen, Steinar; Malorny, Winfried; Ciuperca, Radion (Journal article; Peer reviewed, 2019)The porous coatings may be fabricated on titanium substrate by Plasma Electrolytic Oxidation (PEO), known also as Micro Arc Oxidation (MAO), under AC or DC regimes. The obtained surfaces were characterized by Scanning ... -
SEM, EDS, and XPS characterization of coatings obtained on titanium during AC plasma electrolytic process enriched in magnesium
Rokosz, Krzysztof; Hryniewicz, Tadeusz; Raaen, Steinar; Matysek, Dalibor; Dudek, Lukasz; Pietrzak, Kornel (Journal article; Peer reviewed, 2018)Plasma Electrolytic Oxidation (PEO) known also as Micro Arc Oxidation (MAO) process is widely used to fabricate porous coatings on titanium and its alloys mainly in water- and acid-based solutions to different applications, ...