Chromium–palladium films on 316L stainless steel by pulse electrodeposition and their corrosion resistance in hot sulfuric acid solutions |
| |
Authors: | Liang Xu Yu Zuo Junlei Tang Yuming Tang Pengfei Ju |
| |
Affiliation: | School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China |
| |
Abstract: | Chromium–palladium alloy films with good adhesive strength and higher micro-hardness have been deposited on 316L stainless steel by pulse electroplating. The films are composed mainly of chromium and palladium crystallites in the metallic state, with grain sizes less than 100 nm. On the film surface Cr(OH)3 and Cr2O3 are present. The co-deposited Cr and Pd in the films show a synergetic effect on passivation. In boiling 20 wt.% H2SO4 solution, boiling acetic–formic acid mixture, and simulated PEM fuel cells environment, the Cr–Pd-plated 316L steel shows excellent corrosion resistance. |
| |
Keywords: | A. Metal coatings A. Stainless steel B. Weight loss B. XPS C. Acid corrosion C. Passivity |
本文献已被 ScienceDirect 等数据库收录! |