Microstructure and dry sliding wear properties of 3Si–2Ni and 3Si–2Mn powder metallurgy steels with different graphite content-Reference-Cited by-同舟云学术

Microstructure and dry sliding wear properties of 3Si–2Ni and 3Si–2Mn powder metallurgy steels with different graphite content

Published:2011-07-13 Issue:8 Volume:225 Page:814-820
ISSN:1350-6501
Container-title:Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

Author:

Tekeli S¹,Güral A¹,Özyürek D²

Affiliation:

1. Department of Metallurgy and Materials Engineering, Faculty of Technology, Gazi University, Ankara, Turkey

2. Department of Manufacturing Engineering, Faculty of Technology, Karabuk University, Karabük, Turkey

Abstract

In this study, plain iron powder (ASC.100.29) was mixed with 0.35–1.1 % graphite + 3 % Si + 2 % Ni and 0.35–1.1 % graphite + 3 % Si + 2 % Mn powders. While coarse pearlitic structure with homogeneous distribution of Mn was obtained in Mn-added specimens, Ni-rich austenitic areas with divorced pearlite structure were observed in Ni-added specimens. Wear tests were carried out at a load of 50 N. The experimental results showed that the highest wear resistance was obtained in the Ni-added specimen. While subsurface brittle cracking caused more wear in the Mn-added specimens, the wear occured by plastic deformation of surface Ni-added specimens.

Publisher

SAGE Publications

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/1350650111405255

Reference13 articles.

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