Morphological : Functional Aspects of Electro-Discharge Machined Surface Textures

This study investigates a set of "non-common" surface topography parameters of Electro-Discharge Machined surfaces that give differing aspects of texture related to morphological characterization and possible tribological applications. The parameters considered are the Abbott (bearing) curve parameter at 10 % of the raw unfiltered and the roughness profile height P tp10% and R tp10% , respectively, the also bearing curve oriented R k family of parameters (ISO 13565-2:1996), the skewness R sk and the kurtosis R ku of the profile height distribution, the mean spacing R sm , and the fractal dimension D. The correlation of the aforementioned parameters with pulse energy is examined to allow appropriate selection of machining conditions for producing functionally desirable Electro-Discharge Machined textures.