Affiliation:
1. School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, P. R. China
Abstract
Effects of copper surface roughness [Formula: see text] on the properties of Ni–Co–Fe alloy coatings were studied by the measurement of coating roughness, thickness, hardness, substrate/coating bonding force and the potentiodynamic polarization curve. Results showed that at the current density of 4[Formula: see text]A/dm2, the coating roughness increased with the increase of the value of substrate [Formula: see text] in the range 0.1–1.1[Formula: see text][Formula: see text]m. The coating thickness and hardness increased with the decrease of substrate [Formula: see text]. When substrate [Formula: see text] was 0.4[Formula: see text][Formula: see text]m, the substrate/coating bonding force reached the maximum level. When substrate [Formula: see text] was 0.1[Formula: see text][Formula: see text]m, the coating exhibited the best corrosion resistance. The comprehensive properties of the Ni–Co–Fe coatings can be effectively improved by controlling the surface roughness of copper substrate properly.
Publisher
World Scientific Pub Co Pte Lt
Subject
Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics
Cited by
6 articles.
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