Measurement of Changes of the Surface Roughness in Sliding Area
Eva Labašová

During relative motion of two bodies, in their contact areas forces responsible for friction, wear and change of surface roughness are generated. Present contribution deals with measurement of surface roughness at the contact areas of the rotational sliding pair. Evaluated and analysed are the parameters of surface roughness of steel and polyamide bushings, creating the frictional pair under consideration in this paper. Measurements were made before and after testing the pair. Tests were realized by the equipment Tribotestor M`89 (with adjustable loading force, sliding speed and duration). Roughness parameters Ra, Rz were detected using the surface roughness tester TR-200.

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