Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 173, Issue -, Pages 238-245Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2016.02.009
Keywords
Corrosion; Alloys; Surface; Tribology & wear
Categories
Funding
- Natural Science and Engineering Research Council of Canada
- AUTO21
- Suncor Energy Inc.
- GIW Industries Inc.
- Shell Canada Ltd.
- Magna International Inc.
- Volant Products Inc.
Ask authors/readers for more resources
The electrode potential or galvanic series is usually used to reflect the nobility of metals and semi-metals. However, this potential is environment-dependent and the intrinsic nobility of a metal is ultimately governed by its electron stability, which can be represented by the electron work function (EWF). This article reports our studies on the corrosion behavior of isomorphous Cu-Ni alloy in HCl and NaCl solutions, respectively. It was demonstrated that the EWF of the alloy increased as the Ni concentration was increased, so did the corrosion resistance in the acidic solution. In the sodium chloride solution, however, the trend was reversed due to adsorption, hydrolysis and the formation of oxide scale on Cu-rich samples, which more or less prevented them from further corrosion in this solution. In order to confirm this, corrosive wear tests were performed to analyze the performance of the alloy when the effect of oxide scale was eliminated or minimized by the mechanical action. (C) 2016 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available