Polytetrafluoroethylene (PTFE) is a self-lubricating matrix material with low friction coefficient and corrosion resistance but high wear rate. Ceramic particle fillers could effectively improve the tribological properties of PTFE-based composites, reduce its wear rate. However, there has been much debate about anti-wear mechanisms for particle fillers, which mainly focus on wear resistance micro-mechanism and mechanochemistry approach. In this paper, four kinds of PTFE-based composites filled with micrometer-sized ceramic particles (SiC, Si 3 N 4 , SiO 2 and h-BN) were prepared and tested to explore their tribology properties using a pin-on-disk tribometer. The filler proportions ranged from 5 to 20 wt% in 5 wt% increments were added. The worn surfaces of the composites and transfer films attached on the steel disk were examined by Scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDS), Fourier-transform infrared (FTIR) and 3D...

中文翻译：

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微米级陶瓷颗粒对聚四氟乙烯基复合材料摩擦学性能的影响

聚四氟乙烯（PTFE）是一种自润滑基体材料，具有低摩擦系数和耐腐蚀性能，但磨损率高。陶瓷颗粒填料可有效改善PTFE基复合材料的摩擦学性能，降低其磨损率。然而，关于颗粒填料的抗磨机理一直有很多争论，主要集中在耐磨性微观机理和机械化学方法上。本文制备了四种填充有微米级陶瓷颗粒的PTFE基复合材料（SiC，Si 3 N 4，SiO 2和h-BN），并用针盘摩擦计测试了它们的摩擦学性能，以进行测试。 。以5重量％的增量添加5至20重量％的填料比例。