The crevice corrosion is actually a result of differences in the concentration of oxygen in the water. The water in the crevice becomes deficient in oxygen compared to the water on the outside of the crevice. This sets up an electron flow and as a result there is corrosion. By definition, electrolysis is always dissimilar metals. Can't comment on the rest because I deal with the chemistry of water--I'm not a metallurgist. Steve Holtzman Matt said, I thought crevice corrosion in stainless steel occurred because of electrolysis between the materials (even though they were the same material) touching each other. I'm not very sure of that though so please don't quote me on it. *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Fri Nov 08 2002 - 22:23:00 PST
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