Influence of Plasma Arc Current on the Friction and Wear Properties of CoCrFeNiMn High Entropy Alloy Coatings Prepared on CGI through Plasma Transfer Arc Cladding
Source abstract
Abstract
High-entropy alloys receive more attention for high strength, good ductility as well as good wear resistance. In this work, CoCrFeNiMn high-entropy alloy (HEA) coatings were deposited on compacted graphite iron through plasma transfer arc at different currents. The microstructure and wear properties of the CoCrFeNiMn HEA coatings were investigated. The coatings are composed of single phase with FCC structure. The CoCrFeNiMn HEA coating had the highest microhardness of 394 ± 21.6 HV0.2 and the lowest wear mass loss when the plasma current was 65 A. All of the HEA coatings had higher friction coefficients than that of the substrate. There were adhesive, abrasive and oxidation wear forms in the HEA coatings with the wear couple of N80 alloy. The HEA coating presented higher friction coefficient and better wear resistance than compacted graphite iron.
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Research context
OpenAlex topics: High Entropy Alloys Studies · High-Temperature Coating Behaviors · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, China
Shaanxi Province Engineering Research Centre of Aluminum/Magnesium Light Alloy and Composites, Xi’an 710021, China
Representative Office in Datong of PLA, Datong 037036, China
Shanxi Diesel Engine Co., Ltd., Datong 037036, China
Funding
National Natural Science Foundation of China · Shaanxi Key Science and Technology Innovation Team · The Youth Innovation Team of Shaanxi Universities · Metal Corrosion Protection and Surface Engineering Technology · Shaanxi Provincial Key Research and Development Project · Local Serving Special Scientific Research Projects of Shaanxi Provincial Department of Education · Project of Yulin Science and Technology Bureau
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