Simultaneous Friction And Wear Reduction Of Ni-P/Ptfe Composites Under Dry Sliding Condition
INDUSTRIAL LUBRICATION AND TRIBOLOGY(2021)
摘要
PurposeThe purpose of this paper is to elucidate the tribology behavior of polytetrafluoroethylene (PTFE) incorporated with three types of nickel-phosphorus (Ni-P) particles (i.e. low phosphorus [LP], medium phosphorus [MP] and high phosphorus [HP]) under dry sliding condition.Design/methodology/approachNi-HP, Ni-MP and Ni-LP particles fabricated via an electroless plating process were incorporated into PTFE matrix with different additions to prepare Ni-P/PTFE composites (Ni-LP/PTFE, Ni-MP/PTFE and Ni-HP/PTFE). The tribology tests for these samples were carried out on a reciprocating ball-on-disc tribometer. The thermal stabilities, mechanical and tribological properties, morphologies and components of aforesaid Ni-P/PTFE composites were analyzed.FindingsThe marvelous effect of Ni-P incorporation on the simultaneous reduction in friction and wear of PTFE was corroborated.Originality/valueCompared with that of pristine PTFE sample, the reduction on friction with a value of 27% and the reduction in wear about 94% for Ni-HP/PTFE composite is validated, which is probably related to the increased crystallinity and hardness due to the presence of Ni-P particles.
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关键词
Polymer composite, Nickel-Phosphorus particle, Polytetrafluoroethylene, Wear, Friction
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