基于海水介质的微型面接触摩擦副应力及摩擦学研究

doi:10.3901/JME.2018.03.088

机械工程学报 ›› 2018, Vol. 54 ›› Issue (3): 88-94.doi: 10.3901/JME.2018.03.088

基于海水介质的微型面接触摩擦副应力及摩擦学研究

周杰¹, 吴进军¹, 于革刚¹, 杨友胜², 段海涛³, 易蒙³

1. 机械科学研究总院产业发展部北京 100044;
2. 中国海洋大学工程学院青岛 266100;
3. 武汉材料保护研究所摩擦学实验室武汉 430030

收稿日期:2017-03-18 修回日期:2017-09-18 出版日期:2018-02-05 发布日期:2018-02-05
通讯作者: 周杰(通信作者),男,1985年出生,博士研究生。主要研究方向为机械设计及理论。E-mail:zhou_j09@163.com
基金资助:
国家自然科学基金资助项目（51475197）。

Study on Stress and Tribology of Micro Contact Surface in Seawater

ZHOU Jie¹, WU Jinjun¹, YU Gegang¹, YANG Yousheng², DUAN Haitao³, YI Meng³

1. Industrial Development Department, China Academy of Machinery Science & Technology, Beijing 100044;
2. College of Engineering, Ocean University of China, Qingdao 266100;
3. Tribology Laboratiry, Wuhan Research Institute of Materials Protection, Wuhan 430030

Received:2017-03-18 Revised:2017-09-18 Online:2018-02-05 Published:2018-02-05

摘要/Abstract

摘要： 为了研究微型面接触摩擦副在海水环境中的动力学和摩擦学性能，根据柱塞运动过程无刚性冲击和柔性冲击的准则，选取了B样条曲线、五次多项式曲线和正弦曲线作为研究对象，计算了微型面接触摩擦副接触应力以及摩擦应力；以动力学计算的结果对摩擦试验进行加载，筛选摩擦副材料。结果表明三种曲线组成的摩擦副接触应力最大值约为160 MPa，摩擦应力最大值均约为16 MPa，B样条曲线和正弦曲线综合力学性能优于五次多项式曲线。通过销盘摩擦试验考察了在初始接触应力约为160 MPa，滑动速度为0.5 m/s的工况下，纯PEEK、含有30%玻璃纤维的PEEK和分别含有10%石墨/碳纤维/PTFE的PEEK与17-4PH组成摩擦副的摩擦学性能。试验结果表明分别含有10%石墨/碳纤维/PTFE的PEEK与17-4PH摩擦副的摩擦因数和磨损量均最小，磨损机理为轻微的粘着磨损，可作为微型面接触摩擦副滚动体材料。

关键词: 海水径向柱塞泵, 接触应力, 聚醚醚酮, 摩擦应力, 微型面接触摩擦副

Abstract: In order to study the dynamic and tribological performance of micro contact surface in seawater, by the goals of no stiff impact and flexible impact, study focus on the contact pressure and tribological stress of B-spline curve, quantic polynomial curve and sine curve, and the friction experiments were carried out, with the results to select the material of friction pair. The results shows that the maximum contact stress is about 160 MPa, the maximum tribological stress is about 16 MPa. Moreover, the mechanical performance of B-spline curve and sine curve is better than quantic polynomial curve. The tribological behavior, of three kinds PEEK composites (pure PEEK, 30% glass fiber PEEK and 10% graphite/10% carbon fiber/10%PTFE PEEK) coupled with 17-4PH, were compared under seawater by pin-on-disc friction test, the operating condition is about 160 MPa and 0.5 m/s, results indicates that the wear and friction coefficient of 10% graphite/10% carbon fiber/10%PTFE PEEK and 17-4PH friction pair is minimum, the main mechanism is light abrasive wear, so 10% graphite/10% carbon fiber/10%PTFE PEEK composite is suitable for micro contact surface.

Key words: contact stress, micro contact surface, polyether-ether-ketone, seawater radial piston pump, tribology stress

中图分类号:

TG122

周杰, 吴进军, 于革刚, 杨友胜, 段海涛, 易蒙. 基于海水介质的微型面接触摩擦副应力及摩擦学研究[J]. 机械工程学报, 2018, 54(3): 88-94.

ZHOU Jie, WU Jinjun, YU Gegang, YANG Yousheng, DUAN Haitao, YI Meng. Study on Stress and Tribology of Micro Contact Surface in Seawater[J]. Journal of Mechanical Engineering, 2018, 54(3): 88-94.

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基于海水介质的微型面接触摩擦副应力及摩擦学研究

Study on Stress and Tribology of Micro Contact Surface in Seawater

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