| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1470984 | Corrosion Science | 2010 | 12 Pages |
Abstract
The synergistic inhibition effect of rare earth cerium(IV) ion (Ce4+) and sodium oleate (SO) on the corrosion of cold rolled steel (CRS) in 3.0 M phosphoric acid (H3PO4) has been investigated by weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and scanning electron microscope (SEM) methods. The results reveal that SO has a moderate inhibitive effect and its adsorption obeys Temkin adsorption isotherm. Ce4+ has a poor effect. However, incorporation of Ce4+ with SO improves the inhibition performance significantly, and exhibits synergistic inhibition effect. SO acts as a cathodic inhibitor, while SO/Ce4+ mixture acts as a mixed-type inhibitor.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Xianghong Li, Shuduan Deng, Hui Fu, Guannan Mu,