Influence of counterbody material on fretting wear behaviour of uncoated and diamond-like carbon-coated Ti-6Al-4V-Reference-Cited by-同舟云学术

Influence of counterbody material on fretting wear behaviour of uncoated and diamond-like carbon-coated Ti-6Al-4V

Published:2008-12-11 Issue:2 Volume:223 Page:227-231
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:

Raman Ganesh Sundara S¹,Navaneethakrishnan P¹,Gnanamoorthy R²

Affiliation:

1. Department of Metallurgical and Materials Engineering, IIT Madras, Chennai, India

2. Department of Mechanical Engineering, IIT Madras, Chennai, India

Abstract

Fretting wear tests were carried out at different normal loads on uncoated and diamond-like carbon (DLC)-coated Ti-6Al-4V samples against two counterbody materials: alumina and ultra high molecular weight polyethylene (UHMWPE). Tangential force coefficient (TFC) values obtained with alumina counterbody were much higher than those obtained with UHMWPE. A significant reduction in TFC was noticed in DLC-coated samples compared with uncoated specimens when tested against alumina counterbody at normal loads of 1.96 and 9.8 N. There was not much difference between TFC values of DLC-coated and uncoated specimens when tested against UHMWPE counterbody. DLC-coating reduced specific wear rate significantly at 1.96 N when the sample was tested against alumina counterbody. However, at higher loads, both uncoated and DLC-coated samples exhibited similar specific wear rates. As initial maximum contact pressure was relatively very low, no fretting scar was observed both in uncoated and DLC-coated samples tested against UHMWPE counterbody.

Publisher

SAGE Publications

Subject

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

Link

http://journals.sagepub.com/doi/pdf/10.1243/13506501JET509

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