Development of “Stainless Aluminum”
- 1 December 1991
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 138 (12) , L74-L75
- https://doi.org/10.1149/1.2085513
Abstract
A process for surface modification of Al‐based materials is described which involves immersion in boiling and , followed by anodic polarization in a molybdate solution. Each of these three steps is carried out for 2 h. Al 6061 treated in this manner did not show any signs of uniform or localized corrosion during immersion in for 60 days. A sample with a scratch in the modified surface also did not show any corrosion after 25 days in . Since this surface modification process produces exceptional corrosion resistance, it should be considered as a candidate for the replacement of chromate conversion coatings.Keywords
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