High resolution observations of friction-induced oxide and its interaction with the worn surface

RAINFORTH, W. M., LEONARD, A. J., PERRIN, C., BEDOLLA-JACUINDE, A., WANG, Y., JONES, H. and LUO, Quanshun (2002). High resolution observations of friction-induced oxide and its interaction with the worn surface. Tribology International, 35 (11), 731-748.

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Official URL: https://www.sciencedirect.com/science/article/pii/...
Link to published version:: https://doi.org/10.1016/S0301-679X(02)00040-3

Abstract

A detailed transmission electron microscopy study of oxide and oxygen-containing phase formation during the sliding wear of metals, composites and coatings is provided. A wide range of different materials types are reported in order to compare and contrast their oxidational wear behaviour: a low carbon stainless steel, a H21 tool steel containing 7%TiC particles, a 17%Cr white iron,an Al–Si/30%SiC composite, an Al–alloy (6092)–15%Ni3Al composite and finally a 3rd generation TiAlN/CrN ‘superhard’ multilayer coating. For the ferrous alloys, nanoscale oxides and oxygen-containing phases were formed that exhibited excellent adhesion to the substrate. In all cases, an increase in oxide coverage of the surface was associated with a decrease in Lancaster wear coefficient. The oxide at the surface of the 316L and H21+7%TiC was found to deform with the substrate, forming a mechanically mixed layer that enhanced surface wear resistance. Evidence of oxidational wear is presented for the wear of the Al–Si–30%SiC composite, but this did not give a beneficial effect in wear, a result of the brittle nature of the oxide that resulted in detachment of fine (150nm) thick fragments. The worn surface of the Al–alloy (6092)–15%Ni3Al and TiAlN/CrN coating was characterized by reaction with the counterface and subsequent oxidation, the product of which enhanced wear resistance. The observations are related to the classical theory of oxidational wear.

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Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Materials Analysis and Research Services
Identification Number: https://doi.org/10.1016/S0301-679X(02)00040-3
Page Range: 731-748
Depositing User: Quanshun Luo
Date Deposited: 28 Sep 2010 13:31
Last Modified: 18 Mar 2021 02:07
URI: https://shura.shu.ac.uk/id/eprint/2509

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