Abstract
AbstractThis study focuses on the effect of carbon fibers (CFs) addition on the tribological properties of both polyoxymethylene (POM) and POM/polytetrafluoroethylene (PTFE) blends. Two kinds of CFs with different fiber length (i.e., 40 μm and 1 mm) were compared. Results showed that the addition of longer CFs could effectively reduce the wear rate of pure POM and POM/PTFE composites. Both high P × V friction coefficient and mass wear rate of POM/PTFE particle/CF composites were significantly reduced when compared with the POM/PTFE particle counterparts, which is related to the easier formation of transfer film on the sliding countersurface and better load transfer of CFs. This study provides a new perspective for improving the tribological properties of engineering plastics by tailoring the geometry of functional fillers.
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