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To evaluate the ability of fractal parameters for characterizing tribological properties of surfaces, some stable fractal surfaces, which possess the same fractal dimension, scale factor and root-mean-square deviation of surface topography, were synthesized, and then simulated using finite element analysis to calculate the maximum temperature and contact area during sliding process. It was found that for same-parameter fractal surfaces the maximum temperature and contact area fluctuated dramatically. Thus, the tribological properties of surfaces can not be characterized by some simple parameters

Contact Area and Temperature of Same-Parameter Fractal Surfaces in Sliding Process