Journal
WEAR
Volume 261, Issue 9, Pages 939-946Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2006.03.027
Keywords
tribo-corrosion; thermodynamics; kinetics; mechanism; Pourbaix diagram; stainless steel; Stellite
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An attempt is made to link experimental potential variations noticed during tribo-corrosion tests performed at laboratory scale, with a well known mapping tool used in corrosion, namely Pourbaix diagrams also known as E-pH diagrams. Backgrounds of E-pH diagrams and electrochemical kinetics are briefly recalled. Some explanations and/or work hypotheses concerning the effect of test parameters on the potential variation during tribo-corrosion tests are presented. The complex interplay between mechanical, chemical, and electrochemical interactions during tribo-corrosion test is discussed. It demonstrates that further research towards the development of appropriate mapping tools for tribo-corrosion is most indicated. (c) 2006 Elsevier B.V. All rights reserved.
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