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RESEARCH PAPERS

The Pearson System of Distributions: Its Application to Non-Gaussian Surface Metrology and a Simple Wear Model

[+] Author and Article Information
T. A. Spedding, T. G. King, W. Watson, K. J. Stout

Leicester Polytechnic, Leicester, LE1 9BH, England

J. of Lubrication Tech 102(4), 495-500 (Oct 01, 1980) (6 pages) doi:10.1115/1.3251585 History: Received May 07, 1980; Online November 17, 2009

Abstract

The height distributions of surface profiles generated by some engineering production processes are discussed, and it is shown that they may usually be modelled by continuous distributions from the Pearson system. A simple profile truncation model for wear is proposed based upon previous experimental results. This model is applied to a number of Pearson distributions to predict post-wear surface finish parameters for initially non-Gaussian surfaces.

Copyright © 1980 by ASME
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