Self-similarity in abrasion of metals by nanosharp asperities of hard carbon containing films

Borodich, Feodor M. ORCID: https://orcid.org/0000-0002-7935-0956, Harris, Stephen J. and Keer, Leon M. 2002. Self-similarity in abrasion of metals by nanosharp asperities of hard carbon containing films. Applied Physics Letters 81 (18) , pp. 3476-3478. 10.1063/1.1519099

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Abstract

Feodor M. Borodich Technological Institute, Northwestern University, Evanston, Illinois 60208-3109 Stephen J. Harris Physical and Environmental Sciences Dept., MD #3083, Ford Research Laboratory, Dearborn, Michigan 48121-2053 Leon M. Keer Technological Institute, Northwestern University, Evanston, Illinois 60208-3109 We discuss a remarkably simple power-law relationship observed between the abrasion rate of an initially spherical slider by hard carbon-containing films and the number of sliding cycles n to which the film has been subjected. The power-law relationship is valid up to 4 orders of magnitude in n. We model this phenomenon by connecting it with nanocharacteristics of the coatings. It is proposed to explain the phenomenon by a statistically self-similar variation of the pattern of relatively sharp nanometer-scale asperities of the films.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Uncontrolled Keywords:	metals ; steel ; abrasion ; carbon ; boron compounds ; protective coatings
Additional Information:	------- Publisher's copyright requirements "Copyright (2004) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Tian, Y and Li, G and Shinar, J and Wang, N. L. and Cook, B A and Anderegg, J. W. and Constant, A. P. and Russell, A M and Snyder, John Evan (2004) Electrical transport in amorphous semiconducting AlMgB14 films. Applied Physics Letters , 85 (7). pp. 1181-1183. ISSN 10773118 (10.1063/1.1781738)and may be found at http://apl.aip.org/resource/1/applab/v85/i7/p1181_s1."
Publisher:	American Institute of Physics
ISSN:	00036951
Last Modified:	07 May 2023 16:39
URI:	https://orca.cardiff.ac.uk/id/eprint/2105

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