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Title: Corrosion resistance and antibacterial properties of copper coating deposited by cold gas spray
Author: Da Silva, F. S.
Cinca i Luis, Núria
Dosta Parras, Sergi
García Cano, Irene
Guilemany, J. M. (José María)
Caires, C.S.A.
Lima, A.R.
Silva, C.M.
Oliveira, S.L.
Caires, A.R.L.
Benedetti, Assis Vicente
Keywords: Corrosió i anticorrosius
Corrosion and anti-corrosives
Issue Date: 11-Jan-2019
Publisher: Elsevier B.V.
Abstract: This work describes the morphology, corrosion resistance, and antibacterial performance of copper coating deposited onto carbon steel by cold gas spray (CGS). Cross-sectional images of the coating showed a dense microstructure, with porosity lower than 1%. XRD analysis revealed no oxides or phases different to pure copper. The results of electrochemical tests demonstrated the efficient barrier properties and the compact microstructure of the coating, which protected the substrate against corrosion in chloride solution for > 1000 h. The copper coating was effective as an antimicrobial agent for inhibiting the growth of Staphylococcus aureus, with bacterial growth being completely inhibited after 10 min of direct contact between the bacteria and the coating surface.
Note: Versió postprint del document publicat a:
It is part of: Surface & Coatings Technology, 2019, vol. 361, p. 292-301
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ISSN: 0257-8972
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)

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