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, H., JONES, H. and LUO, Quanshun (2002). High resolution observations of friction-induced oxide and its interaction with the worn surface. Tribology International, 35, 731-748.

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Link to published version:: https://doi.org/10.1016/S0301-679X(02)00040-3


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.

Item Type: Article
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
Depositing User: Quanshun Luo
Date Deposited: 28 Sep 2010 13:31
Last Modified: 13 Jun 2017 12:47
URI: http://shura.shu.ac.uk/id/eprint/2509

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