Physical, mechanical and electrochemical performance of nanostructured TiO2 surface on titanium developed by anodization

IF 4.4 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2026-09-17 DOI:10.1007/s10853-026-13462-9

Tarun Kumar Gayen, Tapas Bera, Anupam Midya, Jyotsna Dutta Majumdar

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Abstract

This study investigates the formation and characterization of self–organized TiO₂ coatings on titanium foil via anodization to enhance surface–dependent mechanical and electrochemical properties for biomedical applications. Anodization was performed in an ethylene glycol-based organic electrolyte containing 0.4 wt.% NH₄F at ambient temperature, with applied voltages ranging from 15 to 60 V and durations from 0.5 to 9 h. The resulting nanostructured TiO₂ coatings exhibited morphology and dimensions dependent on process parameters. TiO₂-coated surfaces showed significantly reduced nano–hardness (2.43 GPa for anodized at 45 V) compared to the untreated Ti foil (3.4 GPa). The TiO₂ nanofilm exhibited hydrophilic behaviour, with a contact angle of 0° at 60 V. Corrosion resistance and bioactivity were notably improved following anodization. These findings suggest that optimizing anodization parameters can effectively tailor surface properties, making them suitable for biomedical implant applications and corrosion–resistant coatings.

Graphical abstract

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阳极氧化法制备钛表面纳米TiO2的物理、力学和电化学性能

本研究通过阳极氧化在钛箔上形成和表征自组织TiO2涂层，以增强生物医学应用中表面依赖的机械和电化学性能。在含有0.4 wt.% NH4F的乙二醇基有机电解质中进行阳极氧化，施加电压范围为15至60 V，持续时间为0.5至9小时。得到的纳米TiO2涂层的形貌和尺寸取决于工艺参数。与未处理的钛箔（3.4 GPa）相比，tio2涂层表面的纳米硬度显著降低（45 V阳极氧化时为2.43 GPa）。TiO2纳米膜在60 V时具有亲水性，接触角为0°。经阳极处理后，其耐腐蚀性和生物活性显著提高。这些发现表明，优化阳极氧化参数可以有效地定制表面性能，使其适用于生物医学植入物和耐腐蚀涂层。图形抽象

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.