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Electrical conductivity, microstructure and wear properties of Cu-Mo coatings

Journal: Research on Engineering Structures and Materials (Vol.5, No. 2)

Publication Date:

Authors : ;

Page : 137-146

Keywords : Plasma spray; Cu-Mo coatings; Wear; Electrical conductivity; Microstructure;

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In this study, Cu–Mo composite coatings were produced on copper substrate by plasma spray technique. Electrical conductivity, microstructure and wear properties of the composite coatings were investigated. Microstructure and phase composition of the coatings were examined by using optical microscopy (OM), scanning electron microscope (SEM), X-ray diffraction (XRD), and energy-dispersive X-ray spectroscopy (EDS). The microhardness experiments were also performed by using a microhardness machine. The electrical conductivity properties of the coatings were evaluated with eddy current instruments. Wear tests were performed by pin-on-disc method. Although the electrical conductivities of the coatings are very small compared to the substrate, it has been determined that the coatings exhibit very good tribological property and high hardness in comparison to the substrate.

Last modified: 2019-06-13 00:38:08