Abstract
Ti-6.5Al-1Mo-1V-2Zr titanium alloy specimens have been anodized in sulfuric acid and tartaric acid/sulfuric acid. The effect of tartaric acid concentration on anodic behavior of sulfuric acid anodic film was investigated by Scanning electron microscopy (SEM), Raman spectra and electrochemical technique. It was found that 30g/L tartaric acid addition increased the thickness of anodic film, decreased the crystallinity and weakened the dissolution rate of anodic film. However, 90g/L tartaric acid addition caused the opposite trends to emerge: thickness of anodic film was reduced. The anodic film dissolution rate in sulfuric acid with 90g/L tartaric acid is faster than that in sulfuric acid with 30g/L tartaric acid. The present study validates the beneficial role of 30g/L tartaric acid in anodizing electrolyte for the growth of anodic film on titanium alloy.
| Original language | English |
|---|---|
| Pages (from-to) | 3431-3441 |
| Number of pages | 11 |
| Journal | International Journal of Electrochemical Science |
| Volume | 10 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2015 |
Keywords
- Pulse anodic oxidation
- Tartaric acid
- Ti-6.5Al-1Mo-1v-2Zr
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