Alumina Coatings Containing Niobium Pentoxide Polymorphs Prepared by Plasma Electrolytic Oxidation of Aluminum

Trivinho‐Strixino, Francisco; Menck, Maria Angélica C.; Pissolitto, Yasmin B.; Araújo, Patrícia S.; Santos, Janaína S.; Mendonça, Vagner R. de

doi:10.1002/adem.202201284

Cited by 3 publications

(1 citation statement)

References 66 publications

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“…From the magnified voltage-time response curve in Figure 1(b)-(c), three distinct stages of anodization were represented: (i) general anodization, ii) spark anodization, and iii) plasma electrolytic oxidation. 22,42,43 In the general anodization (up to breakdown voltage), the voltage linearly increased with time, and the metallic alloy was oxidized by the evolution of gaseous oxygen release on the anodic surface. In this stage, the dielectric breakdown phenomenon occurs through the insulation layer, which results in local thickening of the coatings.…”

Section: Preparation Of Plasma Electrolytic Oxidation-treated Sandbla...mentioning

confidence: 99%

Hierarchically porous surface of HA-sandblasted Ti implant screw using the plasma electrolytic oxidation: Physical characterization and biological responses

Choe,

Li,

Yeo

et al. 2024

J Biomater Appl

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The surface topological features of bioimplants are among the key indicators for bone tissue replacement because they directly affect cell morphology, adhesion, proliferation, and differentiation. In this study, we investigated the physical, electrochemical, and biological responses of sandblasted titanium (SB-Ti) surfaces with pore geometries fabricated using a plasma electrolytic oxidation (PEO) process. The PEO treatment was conducted at an applied voltage of 280 V in a solution bath consisting of 0.15 mol L−1 calcium acetate monohydrate and 0.02 mol L−1 calcium glycerophosphate for 3 min. The surface chemistry, wettability, mechanical properties and corrosion behavior of PEO-treated sandblasted Ti implants using hydroxyapatite particles (PEO-SB-Ti) were improved with the distribution of calcium phosphorous porous oxide layers, and showed a homogeneous and hierarchically porous surface with clusters of nanopores in a bath containing calcium acetate monohydrate and calcium glycerophosphate. To demonstrate the efficacy of PEO-SB-Ti, we investigated whether the implant affects biological responses. The proposed PEO-SB-Ti were evaluated with the aim of obtaining a multifunctional bone replacement model that could efficiently induce osteogenic differentiation as well as antibacterial activities. These physical and biological responses suggest that the PEO-SB-Ti may have a great potential for use an artificial bone replacement compared to that of the controls.

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Section: Preparation Of Plasma Electrolytic Oxidation-treated Sandbla...mentioning

confidence: 99%

Hierarchically porous surface of HA-sandblasted Ti implant screw using the plasma electrolytic oxidation: Physical characterization and biological responses

Choe,

Li,

Yeo

et al. 2024

J Biomater Appl

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show abstract

A comprehensive review of anodic TiO2 films as heterogeneous catalysts for photocatalytic and photoelectrocatalytic water disinfection

Santos,

Sikora,

Trivinho-Strixino

et al. 2025

Journal of Water Process Engineering

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Enhanced Performance of Al/Nb2O5/Pt/Nb2O5/Ag Microwave Resonators Designed as Bandstop Filters and Negative Capacitance Sources

Aljaloud,

Qasrawi,

Alfhaid

2024

Mat. Res.

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Alumina Coatings Containing Niobium Pentoxide Polymorphs Prepared by Plasma Electrolytic Oxidation of Aluminum

Abstract: The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adem.202201284.

Cited by 3 publications

References 66 publications

Hierarchically porous surface of HA-sandblasted Ti implant screw using the plasma electrolytic oxidation: Physical characterization and biological responses

Hierarchically porous surface of HA-sandblasted Ti implant screw using the plasma electrolytic oxidation: Physical characterization and biological responses

A comprehensive review of anodic TiO2 films as heterogeneous catalysts for photocatalytic and photoelectrocatalytic water disinfection

Enhanced Performance of Al/Nb2O5/Pt/Nb2O5/Ag Microwave Resonators Designed as Bandstop Filters and Negative Capacitance Sources

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