Electropolishing behavior of pure titanium in sulfuric acid-ethanol electrolytes with an addition of water

Ching An Huang*, Fu Yung Hsu, Chung Han Yu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

29 Scopus citations

Abstract

The electropolishing behavior of commercially pure Ti was studied in sulfuric acid-ethanol electrolytes with a small amount of H2O. The experimental results showed that commercially pure Ti could be electropolished well in the 3M H2SO4-ethanol electrolyte, while inadequately electropolished in 0.5 and 1M H2SO4-ethanol electrolytes. However, the brightening effect on the Ti surface could be clearly observed by the addition of a few volume percent of H2O to the 0.5 and 1M H2SO4-ethanol electrolytes. The effect of a small amount of H2O in the H2SO4-ethanol electrolytes on the electropolishing behavior of pure Ti was discussed.

Original languageEnglish
Pages (from-to)589-596
Number of pages8
JournalCorrosion Science
Volume53
Issue number2
DOIs
StatePublished - 02 2011

Keywords

  • A. Acid solution
  • A. Titanium
  • B. AFM
  • B. Potentionstatic
  • B. TEM

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