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Mechanical Engineering

Mechanical Engineering Publications

Silicon

2005

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Full-Text Articles in Nanoscience and Nanotechnology

The Effect Of Autocorrelation Length On The Real Area Of Contact And Friction Behavior Of Rough Surfaces, Yilei Zhang, Sriram Sundararajan Jan 2005

The Effect Of Autocorrelation Length On The Real Area Of Contact And Friction Behavior Of Rough Surfaces, Yilei Zhang, Sriram Sundararajan

Mechanical Engineering Publications

Autocorrelation length (ACL) is a surface roughness parameter that provides spatial information of surfacetopography that is not included in amplitude parameters such as root-mean-square roughness. This paper presents a relationship between ACL and the friction behavior of a rough surface. The influence of ACL on the peak distribution of a profile is studied based on Whitehouse and Archard’s classical analysis [Whitehouse and ArchardProc. R. Soc. London, Ser. A316, 97 (1970)] and their results are extended to compare profiles from different surfaces. The probability density function of peaks and the mean peak height of a profile are given as functions ...