Tribological performance of Ni-W/PTFE composite coating via pulse electrodeposition

Author:

Karadag Arif1,Duru Erhan2,Uysal Mehmet2,Akbulut Hatem3,Coban Aslan4

Affiliation:

1. Department of Manufacturing Engineering, Graduate Education Institute, Sakarya University of Applied Sciences, Sakarya, Turkey

2. Department of Metallurgy and Materials Engineering, Faculty of Engineering, Sakarya University, Sakarya, Turkey

3. Department of Metallurgy and Materials Engineering, Faculty of Engineering, Sakarya University, Sakarya, Turkey + Central Research Laboratory (SARGEM), Esentepe Campus, Sakarya, Turkey

4. Mechanical Engineering Department, Faculty of Technology, Sakarya University of Applied Sciences, Sakarya, Turkey

Abstract

The Ni-W/PTFE co-depositions were successfully prepared on steel via pulse electrodeposition methods. Electrodeposition was perform by dispersing 5-20 g/L PTFE particles from Ni-Watt bath. The surface morphology, phase analyses crstalytallite size, distorsion and hardness of the samples were characterized by SEM, XRD, and Vicker?s microhardness tester. The friction coefficient of the coatings were carried out using CSM microtester. As increasing with the concentration of the PTFE in the solution, the wear resistance properties of theco-depositions were increased. These experimental results determined that the PTFE concentration of 15 g/L in the electrolyte was the optimum content to obtain the best micro-structure and wear performance.

Publisher

National Library of Serbia

Subject

Renewable Energy, Sustainability and the Environment

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