thermogalvanic corrosion

thermogalvanic corrosion

[¦thər·mō·gal′van·ik kə′rō·zhən]
(metallurgy)
Corrosion associated with the passage of an electric current in which the anode and cathode are at different temperatures, the anode usually being the colder of the two.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.