Effect of ethanol on hydrophilicity of the anodized films performed by two-step anodization at low current density

Authors

  • Phanawan Whangdee Department of Applied Physics, Faculty of Sciences and Liberal Arts, Rajamangala University of Technology Isan
  • Sukanya Nilmoung Department of Applied Physics, Faculty of Sciences and Liberal Arts, Rajamangala University of Technology Isan
  • Nampueng Pangpaiboon Department of Industrial Physics and Medical Instrumentation, Faculty of Applied Science, King Mongkut's University of Technology North Bangkok
  • Dujreutai Pongkao Kashima Research Unit of Advanced Ceramics, Department of Materials Science, Faculty ofScience, Chulalongkorn University, Patumwan, Bangkok, 10330, ThailandCenter of Excellence on Petrochemical and Materials Technology, Chulalongkorn University

Keywords:

Ethanol, Hydrophilicity, Two-step anodization, Low current density

Abstract

Dental implants are usually made from commercially pure titanium or its alloys. The aim of this research was to evaluate the influence of the ethanol addition in 1 M H3PO4 as an electrolyte on hydrophilicity of the anodized films. Ti-6Al-4V alloy plates were modified using two-step anodization at a low current density of 2 mA cm-2 in 1 M H3PO4 with addition of used as an electrolyte. Surface oxide properties were characterized by using various surface analytic techniques, including Field Emission Scanning Electron Microscope (FE-SEM), Atomic Force Microscope (AFM), X-ray photoelectron spectroscopy (XPS) and contact angle measurement. The non-treated Ti-6Al-4V and the anodized films formed by one-step anodization were used as control samples. A significant increase in hydrophilicity (p<0.05) was observed on the anodized films formed in H3PO4 with addition of 80% V/V ethanol via two-step anodization due to the formation of rough surface, hydroxyl groups (OH-) and adsorbed molecular water (H2O). The enhanced hydrophilicity could be explained by both the surface chemistry and surface topography of the anodized films.

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Published

2019-09-30

How to Cite

[1]
P. Whangdee, S. . Nilmoung, N. Pangpaiboon, and D. Pongkao Kashima, “Effect of ethanol on hydrophilicity of the anodized films performed by two-step anodization at low current density”, J Met Mater Miner, vol. 29, no. 3, Sep. 2019.

Issue

Vol. 29 No. 3 (2019)

Section

Original Research Articles

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