Ultrasonic Corrosion-Anodization: Electrochemical Cell Design and Process Range Testing

Kyriakos Roushia, Kyriaki Polychronopoulou, Charalambos C. Doumanidis

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DOI: 10.4236/jsemat.2012.21001                

Abstract

Titanium was used in the present work as the test metal for the first ultrasonic corrosion anodization (UCA) study, because of its important photonics and biomedical applications. The electrochemical cell design was implemented and tested under various experimental conditions combinations (e.g. electrolyte concentration, duration, temperature, ultra-sound presence or absence, oxygen presence, etc) in order to investigate the effect of those parameters in the cracks propagation in Ti-foils. It was found that an increase of cracks takes place when oxygen is provided in the electrolyte solution and when ultrasound is applied. The results presented in the current study could be exploitable towards design of materials having dendritic morphologies, applicable in a wide range of processes from photovoltaics to biocompatible materials.

Keywords

Titanium; SEM; Stress Corrosion; Polarization; Anodic Dissolution

Conflicts of Interest

The authors declare no conflicts of interest.

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