Insight into water lubrication performance of polyetheretherketone,Journal of Applied Polymer Science

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Insight into water lubrication performance of polyetheretherketone
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-08-01 , DOI: 10.1002/app.49701
Zumin Wu _{1,

2} , Zhiwei Guo _{1,

2} , Chengqing Yuan ₁

Affiliation

Polyetheretherketone (PEEK) is a kind of polymer with excellent mechanical properties combined with good wear resistance and has been widely used in the engineering field. In order to explore the possibility for PEEK using as a water‐lubricated bearing material, an in‐depth study on the water lubrication performance of PEEK was conducted by using a series of experiments. The water lubrication performances combined with the lubricating mechanism were evaluated both by the friction coefficient and by the wear behavior of PEEK. The results indicated that PEEK was suitable for water‐lubricated bearing productions. The water film could form effectively between the friction pairs under high sliding velocity, while the transfer film could form under low sliding velocity. Both the water film and the transfer film could improve the water lubrication performance for the friction pairs. Moreover, sliding velocities and contact pressures highly influence the water lubrication performance of PEEK. The increase in contact pressure or the decrease in sliding velocity would exacerbate the wear of material. The stick–slip phenomena also occurred on the specimens under low sliding velocity. The main purpose of this study is to provide an experimental basis for PEEK using as a water‐lubricated bearing material.

中文翻译：

深入了解聚醚醚酮的水润滑性能

聚醚醚酮（PEEK）是一种具有优异机械性能和良好耐磨性的聚合物，已在工程领域得到广泛应用。为了探索将PEEK用作水润滑轴承材料的可能性，通过一系列实验对PEEK的水润滑性能进行了深入研究。通过摩擦系数和PEEK的磨损行为，对与润滑机理相结合的水润滑性能进行了评估。结果表明，PEEK适用于水润滑轴承生产。在高滑动速度下，水膜可以在摩擦副之间有效形成，而在低滑动速度下，水膜可以形成。水膜和转移膜都可以改善摩擦副的水润滑性能。此外，滑动速度和接触压力在很大程度上影响PEEK的水润滑性能。接触压力的增加或滑动速度的降低会加剧材料的磨损。在低滑动速度下，标本也发生粘滑现象。这项研究的主要目的是为PEEK用作水润滑轴承材料提供实验基础。在低滑动速度下，标本也发生粘滑现象。这项研究的主要目的是为PEEK用作水润滑轴承材料提供实验基础。在低滑动速度下，标本也发生粘滑现象。这项研究的主要目的是为PEEK用作水润滑轴承材料提供实验基础。

更新日期：2020-10-08

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