Journal
CORROSION SCIENCE
Volume 52, Issue 10, Pages 3348-3355Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2010.06.011
Keywords
Alloys; Copper; Galvanostatic; SEM; XRD; High-temperature corrosion
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Kingston Process Metallurgy Inc.
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Cu(x)Ni(85-x)Ye(15) (0 <= x <= 85 wt.%) compounds were prepared by mechanical alloying. Monophased face centered cubic (fcc) Cu-Ni-Fe alloys were obtained after 10 h of milling for x varying from 0 to 50, whereas bi-phased compounds fcc Cu-Ni-Fe + body centered cubic (bcc) Fe were formed with richer-Cu compounds. Their oxidation kinetics in air at 750 degrees C is parabolic for all compositions and increases drastically for x > similar to 30. A stable anode for aluminium electrolysis in low-temperature (700 degrees C) KF-AlF3 electrolyte was obtained for 65 <= x <= 85. However, a substantial increase of the Cu contamination in produced aluminium was observed for x > 70. (C) 2010 Elsevier Ltd. All rights reserved.
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