Abstract

The Effect of Valley Location in Two-Process Surface Topography Analysis

Highlights

  • The study of surface topography can give quantitative information about friction surfaces

  • This type of digital filtering is characterized that they are robust for all the freaky values and/or outliers

  • Some changes were noticeable on the near-dimple areas of the studied surface

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Summary

Introduction

The study of surface topography can give quantitative information about friction surfaces. The surface topography parameters are calculated after form removal: error of shape and/ or waviness (as an imperfection of manufacturing process) [1]. Plenty of articles and research items deals with extraction of surface topography features (STF) by application of various digital processing techniques [2]. There are many algorithms and/or procedures dedicated for surface topography measurements and/or analysis [3,4,5]. Only few of treats about measurement errors [6,7,8], dimple distortions [9] or problems in surface topography parameter calculations [10]. It was recommended to propose the procedure of STF according to the type of measured detail [11]

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