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research-article

Tribological study of Fe-W-P electrodeposited coating on 316 L stainless steel

[+] Author and Article Information
Fatma zouch

Laboratory of Materials Engineering and Environnement (LGME), National Engineering School of Sfax, University of Sfax, B.P.W.1173, 3038 Sfax, Tunisia
fatma.zouch2@gmail.com

Zied Antar

Laboratory of Materials Engineering and Environnement (LGME), National Engineering School of Sfax, University of Sfax, B.P.W.1173, 3038 Sfax, Tunisia
zied.antar@enis.tn

Amir Bahri

Laboratory of Materials Engineering and Environnement (LGME), National Engineering School of Sfax, University of Sfax, B.P.W.1173, 3038 Sfax, Tunisia
amir19t@yahoo.fr

Khaled Elleuch

Laboratory of Materials Engineering and Environnement (LGME), National Engineering School of Sfax, University of Sfax, B.P.W.1173, 3038 Sfax, Tunisia
khaled.elleuch@enis.rnu.tn

Mustafa Urgen

Istanbul Technical University, Department of Metallurgical and Materials Engineering, 34469 Maslak, Istanbul, Turkey
urgen@itu.edu.tr

1Corresponding author.

ASME doi:10.1115/1.4036628 History: Received October 19, 2016; Revised April 03, 2017

Abstract

Ternary iron-tungsten-phosphorus (Fe-W-P) coatings were electrodeposited with different sodium tungstate (NaWO4.2H2O) concentration on stainless steel 316 L substrate. These coatings were characterized by Energy Dispersive X-ray spectrometer (EDX), Scanning Electron Microscope (SEM) and X-ray Diffraction (XRD). The friction and wear behavior of these coatings were investigated using pin-on-disc tribometer under dry conditions. This study reveals an amorphous and nodular structure with nanometric grain size of the deposited alloy. The maximum level of incorporation of tungsten (W) is about 37.17 at. %. It was obtained with 0.5 M of sodium tungstate concentration and it increases the microhardness of the coatings. Moreover, it was found that Fe-W-P coatings had significantly improved the tribological properties of the substrate due to their higher wear resistance and lower friction coefficient.

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