Surface Engineering of Non-Equiatomic TiZrNbTaMo HEA by MAO Treatment in a Cu-Rich Electrolyte for Biomedical Applications.

Samuel P Bonetti, Jhuliene E M Torrento, Carlos R Grandini, Tiago Dos S P de Sousa, Gerson S de Almeida, Willian F Zambuzzi, Diego R N Correa

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Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Samuel P BonettiLaboratory of Anelasticity and Biomaterials, School of Sciences, Bauru Campus, São Paulo State University, Bauru 17033-360, Brazil.

Jhuliene E M TorrentoLaboratory of Anelasticity and Biomaterials, School of Sciences, Bauru Campus, São Paulo State University, Bauru 17033-360, Brazil.

Carlos R GrandiniLaboratory of Anelasticity and Biomaterials, School of Sciences, Bauru Campus, São Paulo State University, Bauru 17033-360, Brazil.ORCID 0000-0002-3336-309X

Tiago Dos S P de SousaBauru Campus, São Paulo State Technological College, Bauru 17033-360, Brazil.ORCID 0000-0002-9934-1870

Gerson S de AlmeidaDepartment of Chemistry and Biochemistry, Institute of Biosciences, São Paulo State University, Botucatu 18618-689, Brazil.ORCID 0000-0002-0208-0441

Willian F ZambuzziDepartment of Chemistry and Biochemistry, Institute of Biosciences, São Paulo State University, Botucatu 18618-689, Brazil.ORCID 0000-0002-4149-5965

Diego R N CorreaLaboratory of Anelasticity and Biomaterials, School of Sciences, Bauru Campus, São Paulo State University, Bauru 17033-360, Brazil.ORCID 0000-0002-1803-6488

Funding

CNPq #314.810/2021-8, #404020/2023-2, #421.677/2023-6, #408594/2024-1, #100704/2024-7, and #312391/2025-0FAPESP #2021/13921-3, #2024/03886-4, #2024/14878-2, and #2024/03148-3

6 · The paper itself

Abstract

This study evaluated the surface functionalization of a non-equiatomic TiZrNbTaMo high-entropy alloy (HEA) by micro-arc oxidation (MAO) in Cu-rich electrolytes to tailor its performance for biomedical implants. The Cu content was varied, and the resulting coatings were investigated for their morphology, phase constitution, chemical structure, wettability, and cytocompatibility. X-ray diffraction (XRD) measurements of the substrate indicated a body-centered cubic (BCC) matrix with minor HCP features, while the MAO-treated samples depicted amorphous halo with sparse reflections assignable to CaCO

Indexed as

biofunctionalizationcopperhigh entropy alloysmetallic biomaterialsmicro-arc oxidation

Identifiers

PMID41515838

DOI10.3390/ma19010174

PMCPMC12786585

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