Normal Force Influence on 3D Texture Parameters Characterizing the Friction Couple Steel – PBT + 10 % PTFE

This study presents the influence of the normal force on the surface quality of the friction couple steel – polybutylene terephthalate (PBT) + 10 % polytetrafluoroethylene (PTFE). There were calculated the average values of the amplitude and functional parameters, as obtained from investigating square areas on the wear tracks, with the help of a proposed methodology, for initial and tested surfaces generated on the blocks and on counterpart ring made of rolling bearing steel, for the following test conditions: three normal forces (F = 1 N, F = 2.5 N and F =5 N), three sliding speeds (v = 0.25 m/s, v = 0.50 m/s and v = 0.75 m/s) and a sliding distance of L = 7500 m. The conclusion of the research study was that the tested normal force range has an insignificant influence on the surface quality for the tested materials and parameters. This friction couple could be recommended for variable conditions (speed and load) in dry regimes.

Real Time Impact Factor: Pending

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Keywords: PBT + PTFE material, Surface texture parameters, Block ? on ? ring test, Dry sliding

ISSN: 0354-8996

EISSN: 2217-7965


Add Citation Views: 3009


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