Electrochemical corrosion behaviour of WE54 magnesium alloy
Kazum, O., Kannan, M. Bobby, Scharnagl, N., Blawert, C., and He, Y. (2013) Electrochemical corrosion behaviour of WE54 magnesium alloy. Materials Science Forum, 765. pp. 644-647.
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Abstract
The electrochemical corrosion behaviour of WE54 magnesium alloy in 0.5 wt.% NaCl solution was studied using electrochemical techniques. Polarization results suggested that the rare earths in WE54 alloy enhanced the passivation tendency of the alloy and decreased the corrosion current by ~30% compared to pure magnesium. Pitting corrosion resistance was also higher in WE54 alloy than that in pure magnesium. Long-term electrochemical impedance results showed that the polarization resistance of WE54 alloy was more than two times higher than that of pure magnesium even after initial passivity breakdown.
| Item ID: | 28446 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 0255-5476 |
| Keywords: | magnesium alloys, rare earth, corrosion, polarization |
| Date Deposited: | 09 Aug 2013 02:51 |
| FoR Codes: | 09 ENGINEERING > 0912 Materials Engineering > 091207 Metals and Alloy Materials @ 100% |
| SEO Codes: | 86 MANUFACTURING > 8611 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) > 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified @ 100% |
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