Purpose

The purpose of this paper is to investigate the fretting wear performance of ultra-high-molecular-weight-polyethene (UHMWPE) with addition of GO and SiO₂.

Design/methodology/approach

In this study, GO were synthesized and SiO₂ nanoparticles were grafted onto GO. The effect of nanofiller on fretting wear performance of UHMWPE was investigated.

Findings

The results indicated that GO was successfully synthesized and SiO₂ nanoparticles successfully grafted onto GO. Incorporation of GS was beneficial for the reduction in friction and the improvement in wear resistance of UHMWPE. GO was beneficial for reducing friction coefficient, while SiO₂ was good for improving wear resistance. There existed a tribological synergistic effect between GO nanosheet and SiO₂ nanoparticles.

Research limitations/implications

The hybrids of GS were promising nanofiller for improving the fretting wear performance of UHMWPE.

Originality/value

The main originality of the research is to reveal the effect of GO and SiO₂ nanoparticles on fretting behavior of UHMWPE. The result indicated hybrids of GS were promising nanofiller for improving the fretting wear performance of UHMWPE.

中文翻译：

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SiO2改性氧化石墨烯杂化物可改善超高分子量聚乙烯的微动磨损性能

目的

本文的目的是研究添加GO和SiO _2的超高分子量聚乙烯（UHMWPE）的微动磨损性能。

设计/方法/方法

在这项研究中，合成了GO，并将SiO ₂纳米颗粒接枝到GO上。研究了纳米填料对超高分子量聚乙烯微动磨损性能的影响。

发现

结果表明GO合成成功，SiO ₂纳米粒子成功接枝到GO上。掺入GS有利于减少UHMWPE的摩擦并改善其耐磨性。GO有利于降低摩擦系数，而SiO ₂有利于改善耐磨性。GO纳米片与SiO ₂纳米粒子之间存在摩擦协同作用。

研究局限/意义

GS的杂化材料有望改善纳米超高分子量聚乙烯的微动磨损性能。

创意/价值

该研究的主要创意是揭示GO和SiO ₂纳米颗粒对UHMWPE微动行为的影响。结果表明，GS杂种有望成为改善UHMWPE微动磨损性能的纳米填料。