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Micromachines 2019, 10(2), 121; https://doi.org/10.3390/mi10020121

Fabrication of a Low Adhesive Superhydrophobic Surface on Ti6Al4V Alloys Using TiO2/Ni Composite Electrodeposition

School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China
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Received: 24 December 2018 / Revised: 31 January 2019 / Accepted: 12 February 2019 / Published: 13 February 2019
(This article belongs to the Section D:Materials and Processing)
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Abstract

A superhydrophobic surface with low adhesion and good wear resistance was fabricated on Ti6Al4V substrates via TiO2/Ni composite electrodeposition, and subsequently modified with a fluoroalkylsilane (FAS) film. Scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and optical contact angle measurements were used to characterize the surface morphologies, chemical compositions, and surface wettability. The superhydrophobicity of the as-prepared surface results from the fabrication of a hierarchical structure and the assembly of low-surface energy fluorinated components. The as-prepared surface had a water contact angle as high as 162.6° and a sliding angle close to 1.8°. Scratch and abrasion tests showed that the superhydrophobic coating provided a superior wear resistance and stable mechanical abrasion protection. In addition, the influence of processing conditions, such as working voltage, deposited time, pH value, and TiO2 concentration, was also investigated. View Full-Text
Keywords: superhydrophobic; low adhesive; Ti6Al4V; composite electrodeposition superhydrophobic; low adhesive; Ti6Al4V; composite electrodeposition
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Meng, J.; Dong, X.; Zhao, Y.; Xu, R.; Bai, X.; Zhou, H. Fabrication of a Low Adhesive Superhydrophobic Surface on Ti6Al4V Alloys Using TiO2/Ni Composite Electrodeposition. Micromachines 2019, 10, 121.

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