Properties of Cold Spray Coatings for Restoration of Worn-Out Contact Wires
COATINGS(2021)
Abstract
The influence of Cu-Al2O3-Zn powder mixtures for cold spraying on the properties of the coatings is studied. The coatings were deposited to restore worn-out copper contact wires, which were used as a substrate. The main parameters, such as adhesion, specific electrical conductivity, hardness, and wear resistance, were examined. The content of Al2O3 in the mixture varied from 30% to 60%, and the content of Zn, from 0% to 20%. The results obtained indicate that the 60Cu-40Al(2)O(3) coating was the most adhesive and showed the best conductivity, while 40% Cu-50% Al2O3-10% Zn was found to be the most wear-resistant. The optimum spraying temperature was 500 degrees C.
MoreTranslated text
Key words
copper contact wire,wear,restoration,gas dynamic (cold) spraying,coating,hardness,adhesion,specific electrical conductivity,wear rate
AI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined