Effect of antioxidant-treated copper powder on friction properties of polytetrafluoroethylene

Abstract

Polytetrafluoroethylene (PTFE) has many excellent properties and wide applications, but its low wear resistance limits its use. Copper powder and antioxidants were mixed and composite samples were prepared by high-temperature sintering method to investigate the influence of antioxidants content on friction performance of the composite materials. A friction and wear testing machine was used to test the friction and wear performance, and a scanning electron microscope (SEM) was applied to analyze the composites surface morphology their wear positions. The results showed that antioxidants content greatly influenced the composites tribological wear performance. In the theoretical simulation, ANSYS software was used to simulate the antioxidant content effect on thermal conductivity, friction and wear properties of the composite materials. The simulation data were compared with the experimental results. The theoretical simulation data showed that the model could simulate friction and wear experimental processes accurately. Both results were consistent, which proved the reliability of the theoretical analysis.

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Correspondence to Xin Ji.

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Xiao, W., Ji, X. Effect of antioxidant-treated copper powder on friction properties of polytetrafluoroethylene. Iran Polym J (2021). https://doi.org/10.1007/s13726-021-00903-2

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Keywords

  • Copper powder
  • Polytetrafluoroethylene
  • Numerical simulation
  • Friction properties
  • Thermal conductivity