Surface functionalization of anodized tantalum with Mn3O4 nanoparticles for effective corrosion protection in simulated inflammatory condition

Aydin Bordbar-Khiabani; Sara Bahrampour; Masoud Mozafari; Michael Gasik

doi:10.1016/j.ceramint.2021.10.088

Surface functionalization of anodized tantalum with Mn₃O₄ nanoparticles for effective corrosion protection in simulated inflammatory condition

Aydin Bordbar-Khiabani^*
, Sara Bahrampour
, Masoud Mozafari
, Michael Gasik

^*Corresponding author for this work

Not published at VTT

Aalto University
Materials and Energy Research Center (MERC)
Kharazmi University
Iran University of Medical Sciences
University of Toronto

Research output: Contribution to journal › Article › Scientific › peer-review

37 Citations (Scopus)

Abstract

The study highlights the corrosion behavior of untreated and treated tantalum with addition of trimanganese tetraoxide (Mn₃O₄) nanoparticles in simulated inflammatory media. The anodic layer was produced on pure tantalum by anodization in electrolytes composed of ammonium fluoride, ethylene glycol, and water. Nanoparticles were deposited uniformly on the surface of the anodized tantalum with the electrophoretic deposition (EPD) method. The results revealed that the anodic/EPD coating possessed more compact microstructure and higher bond strength than the anodic coating. Simulated inflammatory medium was based on phosphate-buffered saline with additions of H₂O₂ and HCl. Potentiodynamic polarization and electrochemical impedance spectroscopy studies showed that the anodic and Mn₃O₄ layers protected the tantalum from corroding in an acidic inflammatory condition. Finally, the corrosion protection mechanism of Mn₃O₄ NPs in inflammatory condition was presented.

Original language	English
Pages (from-to)	3148-3156
Journal	Ceramics International
Volume	48
Issue number	3
DOIs	https://doi.org/10.1016/j.ceramint.2021.10.088
Publication status	Published - 1 Feb 2022
MoE publication type	A1 Journal article-refereed

Funding

This study has received funding from the European Union's Horizon 2020 Research and Innovation Program under grant agreement no. 860462 for “PREMUROSA” project (A.B–K., M.G.). The fabrication of the anodic and EPD coatings was performed at Materials and Energy Research Center, Tehran, Iran. The authors are willing to express their gratitude for this support.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 9 Industry, Innovation, and Infrastructure

Keywords

Anodization
Corrosion behavior
Electrophoretic deposition
Simulated inflammatory
Tantalum implants

Access to Document

10.1016/j.ceramint.2021.10.088Licence: CC BY

Cite this

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title = "Surface functionalization of anodized tantalum with Mn3O4 nanoparticles for effective corrosion protection in simulated inflammatory condition",

abstract = "The study highlights the corrosion behavior of untreated and treated tantalum with addition of trimanganese tetraoxide (Mn3O4) nanoparticles in simulated inflammatory media. The anodic layer was produced on pure tantalum by anodization in electrolytes composed of ammonium fluoride, ethylene glycol, and water. Nanoparticles were deposited uniformly on the surface of the anodized tantalum with the electrophoretic deposition (EPD) method. The results revealed that the anodic/EPD coating possessed more compact microstructure and higher bond strength than the anodic coating. Simulated inflammatory medium was based on phosphate-buffered saline with additions of H2O2 and HCl. Potentiodynamic polarization and electrochemical impedance spectroscopy studies showed that the anodic and Mn3O4 layers protected the tantalum from corroding in an acidic inflammatory condition. Finally, the corrosion protection mechanism of Mn3O4 NPs in inflammatory condition was presented.",

keywords = "Anodization, Corrosion behavior, Electrophoretic deposition, Simulated inflammatory, Tantalum implants",

author = "Aydin Bordbar-Khiabani and Sara Bahrampour and Masoud Mozafari and Michael Gasik",

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T1 - Surface functionalization of anodized tantalum with Mn3O4 nanoparticles for effective corrosion protection in simulated inflammatory condition

AU - Bordbar-Khiabani, Aydin

AU - Bahrampour, Sara

AU - Mozafari, Masoud

AU - Gasik, Michael

PY - 2022/2/1

Y1 - 2022/2/1

N2 - The study highlights the corrosion behavior of untreated and treated tantalum with addition of trimanganese tetraoxide (Mn3O4) nanoparticles in simulated inflammatory media. The anodic layer was produced on pure tantalum by anodization in electrolytes composed of ammonium fluoride, ethylene glycol, and water. Nanoparticles were deposited uniformly on the surface of the anodized tantalum with the electrophoretic deposition (EPD) method. The results revealed that the anodic/EPD coating possessed more compact microstructure and higher bond strength than the anodic coating. Simulated inflammatory medium was based on phosphate-buffered saline with additions of H2O2 and HCl. Potentiodynamic polarization and electrochemical impedance spectroscopy studies showed that the anodic and Mn3O4 layers protected the tantalum from corroding in an acidic inflammatory condition. Finally, the corrosion protection mechanism of Mn3O4 NPs in inflammatory condition was presented.

AB - The study highlights the corrosion behavior of untreated and treated tantalum with addition of trimanganese tetraoxide (Mn3O4) nanoparticles in simulated inflammatory media. The anodic layer was produced on pure tantalum by anodization in electrolytes composed of ammonium fluoride, ethylene glycol, and water. Nanoparticles were deposited uniformly on the surface of the anodized tantalum with the electrophoretic deposition (EPD) method. The results revealed that the anodic/EPD coating possessed more compact microstructure and higher bond strength than the anodic coating. Simulated inflammatory medium was based on phosphate-buffered saline with additions of H2O2 and HCl. Potentiodynamic polarization and electrochemical impedance spectroscopy studies showed that the anodic and Mn3O4 layers protected the tantalum from corroding in an acidic inflammatory condition. Finally, the corrosion protection mechanism of Mn3O4 NPs in inflammatory condition was presented.

KW - Anodization

KW - Corrosion behavior

KW - Electrophoretic deposition

KW - Simulated inflammatory

KW - Tantalum implants

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