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The effects of UV radiation and humidity condition on the frictional properties of TPU materials are presented in this paper.
Photooxidative degradation of polymer leads to deterioration of physical and mechanical properties, which affect its tribological behavior significantly.
Unfilled TPUs lose their anti-slip properties.
The effects of UV radiation and humidity condition on the frictional properties of TPU materials are presented in this paper.
Photooxidative degradation of polymer leads to deterioration of physical and mechanical properties, which affect its tribological behavior significantly.
Unfilled TPUs lose their anti-slip properties.
The tribological behavior of PAEK composites were investigated in air and vacuum environment. Results indicate that the tribological performance of these compounds depends on material compositions, fiber orientation as well as test conditions. In vacuum, very low friction and wear coefficient were obtained at low sliding speed while severe wear occurred at high speed.