Enhancement of the Ti‐6Al‐4V alloy corrosion resistance by applying CrN/CrAlN multilayer coating via Arc‐PVD method
Source abstract
Abstract
Abstract In this study, the Ti‐6Al‐4V substrate was coated by CrN‐CrN/TiN‐TiN and CrN/CrAlN multilayer coatings using the cathodic arc physical vapor deposition (Arc‐PVD) method. The results of potentiodynamic polarization (PDP) have shown the lowest and highest corrosion current density belong to the double‐layer (0.16 µA/Cm 2 ) and TiN (0.51 µA/Cm 2 ) samples, indicating the higher corrosion resistance of the double‐layer coating. The field emission electron microscope (FESEM), X‐ray diffraction pattern (XRD), open circuit potential (OCP), PDP, and electrochemical impedance spectroscopy (EIS) analysis were employed in order to characterize the coatings and evaluate their corrosion behavior. Finally, applying the double‐layer coating resulted in the significant improvement of the protective behavior of the Ti‐6Al‐4V alloy, as compared to the sample coated with TiN in corrosive environments.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Metal and Thin Film Mechanics · Boron and Carbon Nanomaterials Research · Diamond and Carbon-based Materials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science, Faculty of Engineering Tarbiat Modares University Tehran Iran
Department of Chemistry Brock University St. Catharines Ontario Canada
Department of Materials Science and Engineering Shiraz University of Technology Shiraz Iran
Department of Clinical Medicine Aarhus University Hospital Aarhus Denmark
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