Optimization and tribological performance of PEEK based composite coatings reinforced with PTFE for friction pairs of aviation hydraulic pumps

被引：6

作者：

Xu, Yufu ^{[1
]}

Zhang, Keyu ^{[1
]}

Wu, Hao ^{[1
,2
]}

Yao, Lulu ^{[3
]}

Mahapatra, Mausumi ^{[4
]}

机构：

[1] Hefei Univ Technol, Inst Tribol, Sch Mech Engn, Hefei 230009, Peoples R China

[2] Anhui Prov Key Lab Crit Frict Pair Adv Equipment, Hefei 230088, Peoples R China

[3] Hefei Univ Technol, Sch Chem & Chem Engn, Hefei 230009, Peoples R China

[4] Loyola Univ Chicago, Dept Chem & Biochem, Chicago, IL 60660 USA

来源：

TRIBOLOGY INTERNATIONAL | 2024年 / 195卷

基金：

中国国家自然科学基金;

关键词：

Composite coatings; PEEK; Friction reduction; Wear resistance; MECHANICAL-PROPERTIES; BEHAVIOR; WEAR; KEROSENE; LUBRICITY;

D O I：

10.1016/j.triboint.2024.109661

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, polyetheretherketone (PEEK) based composite coatings reinforced with polytetrafluoroethylene (PTFE) were applied to copper-steel bimetallic plates. The impact of process parameters on the tribological properties of the coatings was investigated. The results indicated that the optimized PTFE/PEEK 2.2 coating exhibited commendable friction reduction and wear resistance performance when subjected to aviation kerosene lubrication. It was observed that the hot -pressing temperature has the most significant influence on the bearing capacity and wear rate of the coatings. In contrast, the hot -pressing pressure primarily affects the average friction coefficient. The primary wear mechanism observed in these coatings is adhesive wear. These findings suggest promising application prospects for the composite coatings in aviation hydraulic pumps, underscoring their potential to significantly improve overall performance.

引用

页数：17

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