Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8036193 | Thin Solid Films | 2013 | 5 Pages |
Abstract
The coating performance can be improved by reducing the number of defects of a coating by layering two materials on the nanometer scale. In this study, Ti/TiN, Cr/TiN, Ti/CrN, and Cr/CrN multilayer coatings were examined to determine the corrosion resistance of the multi-coating system and to obtain information on the appropriate materials for bipolar plates in proton exchange membrane fuel cells. The results showed that the Cr/CrN coating gains excellent coating performance due to the lowest passive current density as well as the highest protective efficiency and charge transfer resistance. X-ray diffraction analysis confirmed the formation of a preferred (111) orientation along with crystalline-refined (200).
Related Topics
Physical Sciences and Engineering
Materials Science
Nanotechnology
Authors
N.D. Nam, M.J. Kim, D.S. Jo, J.G. Kim, D.H. Yoon,