Electrochemical Behavior of Titanium Alloys in Alcohol Solutions

ZHANG Lin; WU Yinshun; CAO Bei; DING Baofeng

doi:10.13374/j.issn1001-053x.2003.02.016

Volume 25 Issue 2

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ZHANG Lin, WU Yinshun, CAO Bei, DING Baofeng. Electrochemical Behavior of Titanium Alloys in Alcohol Solutions[J]. Chinese Journal of Engineering, 2003, 25(2): 163-166. doi: 10.13374/j.issn1001-053x.2003.02.016

Citation:

ZHANG Lin, WU Yinshun, CAO Bei, DING Baofeng. Electrochemical Behavior of Titanium Alloys in Alcohol Solutions[J]. Chinese Journal of Engineering, 2003, 25(2): 163-166. doi: 10.13374/j.issn1001-053x.2003.02.016

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Electrochemical Behavior of Titanium Alloys in Alcohol Solutions

doi: 10.13374/j.issn1001-053x.2003.02.016

Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 2002-02-25
Available Online: 2021-08-17

Abstract

Abstract

Polarization curves and electrochemical parameters of four kinds of titanium alloys (TC4,TC11,TA7 and TA12) were measured in six alcohol solutions with the potentiodynamic method. The effects of H₂O and Cl^- were mainly investigated. It was found that the pitting corrosion resistance of the alloys was somehow improved when the certain amount of H₂O was added in the alcohol solutions and greatly decreased by Cl^- in the solutions. Cl^- would obviously change titanium alloys from a self-passivation state into an active one.
- titanium alloy,
- alcohol,
- chloride ion,
- polarization curve,
- passivation,
- activation,
- pitting potential