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The wear behaviour of duplex treated AISI 5140 steel

Yasar Totik (Department of Mechanical Engineering, Faculty of Engineering, Ataturk University, Erzurum, Turkey)
Akgun Alsaran (Department of Mechanical Engineering, Faculty of Engineering, Ataturk University, Erzurum, Turkey)
Ayhan Celik (Department of Mechanical Engineering, Faculty of Engineering, Ataturk University, Erzurum, Turkey)
Ihsan Efeoglu (Department of Mechanical Engineering, Faculty of Engineering, Ataturk University, Erzurum, Turkey)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 16 August 2011

Abstract

Purpose

This work aims to investigate the wear behavior of manganese phosphate coating on plasma nitrided AISI 5140 steel.

Design/methodology/approach

Prior to manganese phosphate coating, plasma nitriding of substrates was performed at gas mixture of 50 percent H2 and 50 percent N2, for the different treatment parameters. The structural, mechanical and tribological properties of the substrates were determined using hardness test, optical microscope, scanning electron microscopy , X‐ray diffraction and pin‐on‐disk tribotester. The wear behavior of untreated, nitrided and duplex treated substrates was evaluated under dry sliding conditions.

Findings

The results indicated that the duplex treatment improved the wear behavior. It was also observed that manganese phosphating of the nitrided substrates at low temperature (450°C‐2h‐N) resulted in a decrease of the wear rate and yielded a reduction in the friction coefficient by forming a transfer film at the counter face.

Originality/value

This study can be a practical reference and offers insight into the effects of duplex treating on the increase of wear resistance.

Keywords

Citation

Totik, Y., Alsaran, A., Celik, A. and Efeoglu, I. (2011), "The wear behaviour of duplex treated AISI 5140 steel", Industrial Lubrication and Tribology, Vol. 63 No. 5, pp. 344-349. https://doi.org/10.1108/00368791111154959

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited