Abstract
Areal 3D analysis of surface texture gives more opportunities than a study of 2D profiles. Surface topography evaluation, considered as 3D dimensional analysis in micro or nanoscales, plays an important role in many fields of science and life. Among many texture parameters, those connected with height are the most often used. However, there are many other parameters and functions that can provide additional important information regarding functional behaviour of surfaces in different applications. The knowledge about the functional importance of various surface properties is low. This review tries to fill this gap. Surface texture parameters are presented in various groups: height, spatial, hybrid, functional, feature, and others. Based on experiences of the present authors and literature review, the relationships among various surface parameters and functional properties are described. A proposal of a selection of parameters on the basis of their functional significations is provided. Considerations for future challenges are addressed.
Highlights
Surface topography is the fingerprint of manufacturing processes, and of functioning conditions and wear processes
These parameters are important in contact mechanics of rough surfaces
This review presents definitions of areal surface texture parameters, especially included in the ISO 25178-2 standard [11]
Summary
The results of surface topography measurement are important for manufacturers and tribologists. Abbott and Firestone published one of the first papers related to description of the roughness profile. They defined a material ratio curve [2], important in tribology. Other parameters, such as spatial, hybrid or functional, can provide more information on surface texture. Parameters included in ISO 25178-2 standard will be analysed. The field parameters are calculated for all points on the analysed surface They include height, spatial, hybrid, and other parameters (functional and fractal)
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