NDLI: Evaluating the corrosion resistance of UBM-deposited Cr/CrN multilayers

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Evaluating the corrosion resistance of UBM-deposited Cr/CrN multilayers

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Yuri Lizbeth Chipatecua Godoy Diana Maritza Marulanda Cardona Jhon Jairo Olaya Flórez
Abstract	This work was aimed at evaluating the corrosion resistance of multilayer Cr/CrN coatings deposited by the unbalan-ced magnetron sputtering (UBM) technique. Coatings were produced at room temperature using 400 mA discharge current, 9 sccm argon flow and 3 sccm nitrogen flow. The total thickness of coatings deposited on AISI 304 stainless steel and silicon (100) varied between 0.2 a 3 μm as bilayer period varied between 20 and 200 nm. Coating microstructure and chemical composition was stu-died through scanning electron microscopy (SEM) and tex-ture and crystalline phases were analysed by X-ray diffraction (XRD) before and after corrosion tests which were carried out by potentiodynamic polarisation using 0.5 M H2SO4 + 0.05M KSCN solution. Lower bilayer period coatings presented better corrosion resistance and their corrosion mechanism is discussed in this article.
Related Links	https://revistas.unal.edu.co/index.php/ingeinv/article/view/20515
ISSN	01205609
e-ISSN	22488723
Journal	Ingeniería e Investigación
Issue Number	1
Volume Number	31
Language	English
Publisher	Universidad Nacional de Colombia
Publisher Date	2011-01-01
Publisher Place	Colombia
Access Restriction	Open
Subject Keyword	Engineering (General). Civil engineering (General) Unbalanced Magnetron Sputtering Potentiodynamic Polarisation Thin Film Corrosion Resistance Cr/crn.
Content Type	Text
Resource Type	Article
Subject	Building and Construction

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