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Improved corrosion ...
Improved corrosion resistance of cathodic arc evaporated Al0.7Cr0.3_xVxN coatings in NaCl-rich media
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- Hudak, O. E. (author)
- TU Wien, Christian Doppler Lab Surface Engn high performanc, Vienna, Austria.;TU Wien, Inst Mat Sci & Technol, Getreidemarkt 9,E308-01, A-1060 Vienna, Austria.
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- Kutrowatz, P. (author)
- TU Wien, Christian Doppler Lab Surface Engn high performanc, Vienna, Austria.
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- Wojcik, T. (author)
- TU Wien, Christian Doppler Lab Surface Engn high performanc, Vienna, Austria.
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- Ntemou, Eleni (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Primetzhofer, Daniel (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Shang, L. (author)
- Oerlikon Balzers, Oerlikon Surface Solut AG, FL-9496 Balzers, Liechtenstein.
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- Ramm, J. (author)
- Oerlikon Balzers, Oerlikon Surface Solutions AG, 9496 Balzers, Liechtenstein.
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- Hunold, O. (author)
- Oerlikon Balzers, Oerlikon Surface Solut AG, FL-9496 Balzers, Liechtenstein.
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- Kolozsvari, S. (author)
- Plansee Composite Mat GmbH, D-86983 Lechbruck, Germany.
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- Polcik, P. (author)
- Plansee Composite Mat GmbH, D-86983 Lechbruck, Germany.
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- Riedl, H. (author)
- TU Wien, Christian Doppler Lab Surface Engn high performanc, Vienna, Austria.;TU Wien, Inst Mat Sci & Technol, Getreidemarkt 9,E308-01, A-1060 Vienna, Austria.
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TU Wien, Christian Doppler Lab Surface Engn high performanc, Vienna, Austria;TU Wien, Inst Mat Sci & Technol, Getreidemarkt 9,E308-01, A-1060 Vienna, Austria. TU Wien, Christian Doppler Lab Surface Engn high performanc, Vienna, Austria. (creator_code:org_t)
- Elsevier BV, 2023
- 2023
- English.
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In: Corrosion Science. - : Elsevier BV. - 0010-938X .- 1879-0496. ; 221
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https://urn.kb.se/re...
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Abstract
Subject headings
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- The corrosion resistance of cathodic arc evaporated Al0.7Cr0.3_xVxN coatings with a vanadium content up to 22.3 at% has been electrochemically tested in a 0.1 M NaCl-solution. Significant improvement in the open porosity and corrosion rate was observed for coatings with higher V-contents, due to a denser and more refined coating morphology. Further reduction in the open porosity rate was achieved through an annealing step in air at 700 degrees C. Here, the formation of an AlVO4 top-oxide and underlying oxygen-rich V-depletion zone provides additional sealing of the coating surface, whilst reducing the corrosion current density to a final 1.59 x 10_9 A/cm2.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Keyword
- PVD coatings
- Cathodic arc evaporation
- Pitting
- Corrosion resistance
- Open porosity
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Hudak, O. E.
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Kutrowatz, P.
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Wojcik, T.
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Ntemou, Eleni
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Primetzhofer, Da ...
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Shang, L.
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show more...
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Ramm, J.
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Hunold, O.
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Kolozsvari, S.
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Polcik, P.
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Riedl, H.
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Manufacturing Su ...
- Articles in the publication
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Corrosion Scienc ...
- By the university
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Uppsala University