Quantification of Wear in Cylinder Bores Based on Wear Volume Profile Assessment

Abstract

Despite the importance of precise evaluation of wear volume losses from cylinders, several factors make the investigation of large surface areas from cylinder bores a hard issue. Topography analysis has been widely used to quantify wear in cylinders but no method was found in the literature for the quantification of wear volume losses considering the whole stroke length of cylinder bores. In this work, three-dimensional (3D) measurements were taken from a gasoline engine tested in dynamometer for 625 h and wear volume profiles were obtained for all cylinders. The results from the proposed method showed good agreement with both the variation of the core height and the visual analysis from stereo images.