Abstract
This paper deals with topographical characterization of textured 3-D (areal) tribosurfaces focusing on summit parameters. Contact summits are extracted based on the elastic contact analysis using the influence coefficient method. Parameters such as the contact summit density, mean contact summit area etc. are obtained. The presented method is applied for the textured pulley surfaces of a belt-CVT. Textured surface are prepared by using the shot peening, lapping, turning and grinding. Results show that the contact summit density has a good correlation with the coefficient of friction. Specifically, the higher coefficient of friction is obtained when the contact summit density is higher. Also, it is found that the mean contact summit area is small when the coefficient of friction is large. These results demonstrate the importance of the summit parameters to the tribosurface texturing.
