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A bilayer GO/nanofibrous biocomposite coating to enhance 316L stainless steel corrosion performance
Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran.
Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran.
Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran.
Department of Material Engineering, Isfahan University of Technology, Isfahan, Iran.
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2019 (English)In: Materials Research Express, ISSN 2053-1591, Vol. 6, no 8, article id 086470Article in journal (Refereed) Published
Abstract [en]

A bilayer coating has been synthesized to be coated on the 316L stainless steel (SS) for bone implant application. The first layer consisted of graphene oxide (GO) which was coated via the electrophoretic deposition method. The second layer including Poly (ε-caprolactone) (PCL)/Gelatin-forsterite nanofibers was electrospun on the first layer. The morphology of the bare 316L SS, GO-coated, electrospun nanofibers, and nanofibers-coated samples were investigated using scanning electron microscopy (SEM). The electrospun nanofibers were also characterized by Fourier transform infrared spectroscopy (FTIR) and confirmed the presence of PCL, gelatin, and forsterite in the nanocomposite coating. Furthermore, the morphological investigation of the nanofibers revealed that 80:20 weight of PCL to gelatin did not show any beads, making them for coating on the GO coatings. In addition, the corrosion behavior of the coated samples was assessed by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The samples coated with GO and GO/PCL-gelatin-forsterite 1% showed the best corrosion resistance in comparison with other samples. Consequently, the prepared bilayer biocomposite coating including 1 wt% forsterite nanoparticles can be a promising candidate for orthopedic implants.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2019. Vol. 6, no 8, article id 086470
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-75533DOI: 10.1088/2053-1591/ab26d5ISI: 000472514800005Scopus ID: 2-s2.0-85069552052OAI: oai:DiVA.org:ltu-75533DiVA, id: diva2:1343067
Note

Validerad;2019;Nivå 2;2019-08-15 (johcin)

Available from: 2019-08-15 Created: 2019-08-15 Last updated: 2019-08-15Bibliographically approved

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Neisiany, Rasoul Esmaeely

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