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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Tarnowski, Michał
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2021Shaping the structure and properties of titanium and Ti6Al7Nb titanium alloy in low-temperature plasma nitriding processescitations
- 2021Formation of Nitrogen Doped Titanium Dioxide Surface Layer on NiTi Shape Memory Alloycitations
- 2021Plasma modification of carbon coating produced by RF CVD on oxidized NiTi shape memory alloy under glow-discharge conditionscitations
- 2021The Microstructure and Properties of Carbon Thin Films on Nanobainitic Steelcitations
- 2020Influence of nitrided and nitrocarburised layers on the functional properties of nitrogen-doped soft carbon-based coatings deposited on 316L steel under DC glow-discharge conditionscitations
- 2020Effect of nitriding conditions of Ti6Al7Nb on microstructure of TiN surface layercitations
- 2020TEM investigations of active screen plasma nitrided Ti6Al4V and Ti6Al7Nb alloyscitations
- 2020Effect of Nitrided and Nitrocarburised Austenite on Pitting and Crevice Corrosion Resistance of 316 LVM Steel Implantscitations
- 2019TEM studies of low temperature cathode-plasma nitrided Ti6Al7Nb alloycitations
- 2018Structure and hemocompatibility of nanocrystalline titanium nitride produced under glow-discharge conditionscitations
- 2018Structure and physico-mechanical properties of low temperature plasma treated electrospun nanofibrous scaffolds examined with atomic force microscopycitations
- 2018Modification of titanium and its alloys implants by low temperature surface plasma treatments for cardiovascular applicationscitations
- 2018Structure and properties of composite surface layers produced on NiTi shape memory alloy by a hybrid methodcitations
- 2017Properties of Ti-6Al-7Nb titanium alloynitrocarburized under glow discharge conditions
- 2017Odporność korozyjna warstw azotonawęglanych wytworzonych na stopie tytanu Ti6Al7Nbcitations
- 2017Corrosion resistance of NiTi shape memory alloy after hybrid surface treatment using low-temperature plasmacitations
- 2017Influence of amorphous carbon layers on tribological properties of polyetheretherketone composite in contactwith nitrided layer produced on Ti6Al4V titanium alloycitations
- 2016Cathodic Cage Plasma Nitriding of Ti6Al4V Alloycitations
- 2016Wpływ topografii powierzchni na odporność korozyjną stopu z pamięcią kształtu NiTi po procesie azotowania jarzeniowego w niskotemperaturowej plazmie / Influence of surface topography on the corrosion resistance of NiTi shape memory alloy nitrided at low-temperature plasma process
- 2015The importance of surface topography for the biological properties of nitrided diffusion layers Produced on Ti6Al4V titanium alloycitations
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article
Shaping the structure and properties of titanium and Ti6Al7Nb titanium alloy in low-temperature plasma nitriding processes
Abstract
Plasma nitriding of titanium Grade 2 and Ti6Al7Nb titanium alloy at 730 °C was used to produce nitrided surface layers with an outer zone consisting of nanocrystalline titanium nitride - TiN, and a Ti2N zone right above the αTi(N) diffusion area. The paper presents a comparison of structure (TEM, SEM), phase composition (XRD, SAED) surface topography (AFM, optical profilometer), corrosion (potentiodynamic method), tribological properties (‘ball-on-disc’), and adhesion (scratch-test) of TiN + Ti2N + αTi(N) type nitrided surface layers produced on Grade 2 titanium and Ti6Al7Nb titanium alloy using conventional glow-charge nitriding (so called glow discharge nitriding at the cathode potential) and with the use of an ‘active screen’ (glow discharge nitriding at plasma potential). A reduction of cathodic sputtering in the plasma potential process made it possible to produce surface layers maintaining a high smoothness of the titanium surfaces. Due to the low surface roughness and the high compressive residual stress of the sample after nitriding at plasma potential, ‘ball-on-disc’ test results showed the lowest coefficient of friction and the lowest penetration depth for this layer and very good adhesion of the layer to the substrate – i.e. Ti6Al7Nb titanium alloy. Nitriding of titanium alloy at cathode potential increased the corrosion potential value and slightly decreased corrosion current density. The corrosion current density of the sample nitrided at plasma potential was similar to initial state Ti6Al7Nb titanium alloy. The nitriding process type (cathode potential or plasma potential) used to produce TiN + Ti2N + αTi(N) surface layers on Ti6Al7Nb titanium alloy has an influence on the microstructure of the layer, its residual stress, in particular its TiN outer titanium nitride zone, its thickness, and on its properties such as wear and corrosion