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Research Article

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

Serkan Islak*, 1, Uğur Çalıgülü2, Husain R.H. Hraam3, Cihan Özorak4, Vahdettin Koç5

Department of Mechanical Engineering, Kastamonu University, Kastamonu, Turkey

Department of Metallurgical and Materials Engineering, Fırat University, Elazığ, Turkey

In Institute of Science, Kastamonu University, Kastamonu, Turkey

Department of Metallurgical and Materials Engineering, Kastamonu University, Kastamonu, Turkey

Technical Sciences Vocational High School, Adıyaman University, Adıyaman, Turkey

Keywords

Abstract


Plasma spray;

 Cu-Mo coatings;

   Wear; 

   Electrical conductivity;

 Microstructure

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.

 © 2019 MIM Research Group. All rights reserved.

DOI: http://dx.doi.org/10.17515/resm2018.58is0716                          Full Text

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25/12/2019 Most Cited Paper Award: The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the 2019 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).

25/12/2019 Best Paper Award: The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2019 Best Paper Award of Research on Engineering Structures and Materials (RESM).


13/11/2019 Data articles as a new type of submision: Editorial Board of our journal have decided to accept a new type of submission: data articles. The focus of these papers is only on data and how it is collected but not on its interpretation and drawn conclusions. For more see News section.


24/5/2019 Collaboration for THERMAM 2019: Editorial Board of our journal and Organizing Committee of 6th International Conference of Thermophysical and Mechanical Properties of Advanced Materials, 8th Rostocker International Conference of Thermophysical Properties for Technical Thermodynamics have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


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LATEST AWARDS


2019 Most Cited Paper Award:

The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the


2019 Best Paper Award:

The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 


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Last Update:

15.02.2020

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