Electrochemical Characterization of Multilayer Cr/CrN-Based Coatings

In this work, a series of mono-and multilayer coatings were considered. They consisted of CrN and Cr prepared by physical vapor deposition with a cathodic arc. The most common steels for molds of plastics were chosen as substrates: X37CrMoV5-1 (SMV3), X2NiCoMo18-8-5 (MARVAL M1), X105CrCoMo18-2 (N690...

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Bibliographic Details
Published in:Coatings (Basel) 2014-09, Vol.4 (3), p.508-526
Main Authors: Caiazzo, Fabio, Sisti, Valentina, Trasatti, Stefano, Trasatti, Sergio
Format: Article
Language:English
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Summary:In this work, a series of mono-and multilayer coatings were considered. They consisted of CrN and Cr prepared by physical vapor deposition with a cathodic arc. The most common steels for molds of plastics were chosen as substrates: X37CrMoV5-1 (SMV3), X2NiCoMo18-8-5 (MARVAL M1), X105CrCoMo18-2 (N690) and X40CrMo15 (X13T6). The samples were made with surface state conditions reproducing the main finishes required for molding of plastics: mirror, electro-eroded, sandblasted and ground finish. The coatings were characterized morphologically and chemically. The corrosion behavior of bare and coated steels was evaluated by electrochemical methods.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings4030508