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The notion of fractals and the possibility of exploiting them in surface engineering are discussed. The fractal dimension problem is addressed and basic information relating to brushing and roughness parameters is provided. The results of tests on specimens in the form of structural steel (S275J0) plates subjected to brushing are presented. The machining was conducted using an FWD 32J milling machine with a GE 950 G PLUS straight grinder together with an A11-CB15M brush mounted on it. On the basis of the test results an analysis of selected roughness parameters, with the focus on the different degrees of correlation between the particular indicators and the fractal dimension, was carried out.

The application of fractal analysis to the description of brushed steel surfaces