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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

1 Department of Mechanical Engineering, Kastamonu University, Kastamonu, Turkey

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

3 In Institute of Science, Kastamonu University, Kastamonu, Turkey

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

5 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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07/10/2019 Collaboration for IMSMATEC 2019: Editorial Board of our journal and Organizing Committee of The International Conference on Materials Science, Mechanical and Automotive Engineerings and Technology (IMSMATEC 2019) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


25/12/2018 Collaboration for iSTE-CE'2019: Editorial Board of our journal and Organizing Committee of International Conference on Innovation, Sustainability, Technology and Education in Civil Engineering (iSTE-CE'2019) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


23/12/2018 2018 Most Cited Paper Award: The paper authored by Jouni Freud and Alp Karakoç entitled as “Shear and torsion correction factors of Timoshenko beam model for generic cross sections" is awarded the 2018 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM). We congratulate the authors and wish them a continued success.


23/12/2018 2018 Best Paper Award: The paper authored by Nelson C. Batista, Rui Melicio and Victor M. F. Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self start capabilities considering symmetric and asymmetric air foils” is awarded the 2018 Best Paper Award of Research on Engineering Structures and Materials (RESM). We congratulate the authors and wish them a continued success.


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Last Update:

18.03.2019

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