软接触表面的变形与摩擦学性能的关联性研究

doi:10.3901/JME.260421

机械工程学报 ›› 2026, Vol. 62 ›› Issue (9): 268-280.doi: 10.3901/JME.260421

• 摩擦学 • 上一篇

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软接触表面的变形与摩擦学性能的关联性研究

袁晋鹏^1,2, 吴金龙^1,2, 杨淑燕^1,2, 麻拴红^2,3, 郭峰¹

1. 青岛理工大学机械与汽车工程学院青岛 266520;
2. 烟台先进材料与绿色制造山东省实验室烟台 264006;
3. 中国科学院兰州化学物理研究所固体润滑国家重点实验室兰州 730000

收稿日期:2025-06-01 修回日期:2025-11-23 发布日期:2026-07-08
作者简介:袁晋鹏，男，1999年出生。主要研究方向为软接触表面的变形及其摩擦学性能研究。E-mail：yuanjinp2022@163.com;杨淑燕，女，1977年出生，教授，博士研究生导师。主要研究方向为表界面效应与水润滑机理。E-mail：yangshuyan@qut.edu.cn;麻拴红(通信作者)，男，1988年出生，研究员，博士研究生导师。主要研究方向为软接触界面润滑减摩与摩擦控制。E-mail：mashuanhong@licp.cas.cn
基金资助:
国家自然科学基金(52322506,52575215)、中国科学院战略性先导B专项(XDB 0470201)和烟台先进材料与绿色制造山东省实验室开放课题重点(GM2021A02)资助项目。

Study on the Correlation between Deformation and Tribological Properties of Soft Contact Surfaces

YUAN Jinpeng^1,2, WU Jinlong^1,2, YANG Shuyan^1,2, MA Shuanhong^2,3, GUO Feng¹

1. School of Mechanical Engineering, Qingdao Technological University, Qingdao 266520;
2. Shandong Laboratory of Yantai Advanced Materials and Green Manufacturing, Yantai 264006;
3. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000

Received:2025-06-01 Revised:2025-11-23 Published:2026-07-08

摘要/Abstract

摘要： 针对软物质材料表面摩擦学性能的研究远远滞后于硬材料接触表面的问题，构建了由陶瓷球和表面镀有1层聚二甲基硅氧烷(以下简称PDMS)的玻璃圆盘构成的软接触摩擦副，利用点接触光干涉润滑薄膜测量装置上开展了软接触表面的变形与摩擦学性能的关联性研究。利用高速相机全程记录了软接触表面因抵御载荷发生的变形行为，实现了接触直径、压痕深度和表面接触轮廓线变化量的同步测量，结果表明施加载荷后PDMS表面变形的速度很快，在340 ms内变形量迅速上升，随后基本不变且在300 s时刻达到最大值，卸载后变形量极速变小且在0.3 s后基本恢复至加载前的状态。在干接触条件下同步测量了摩擦力和实时表面接触面积随速度与时间的变化，发现真实接触面积越大对应的摩擦力也越大。在润滑环境下，同步测量了摩擦力和观测了软接触表面的润滑状态，光干涉的测量结果表明小牛血清润滑下始终处于良好的润滑状态且表面变形量减小，同时测得表面的摩擦力非常低且对速度的变化不敏感；在水润滑下，发现低速下润滑不充分，而当速度增大至128 mm/s表面的润滑情况得到了改善且降低了摩擦力。本研究结果希望为软接触表面的摩擦机制提供更全面和客观的认识，对设计高性能的仿生润滑材料也具有较为重要的意义。

关键词: 软接触摩擦学, 表面变形, 原位光学测量, 摩擦, 润滑状态

Abstract: In response to the problem that the study of tribological properties of soft material surfaces lags far behind that of hard material surfaces, a friction counterpart surface consisting of the ceramic ball and the glass disk coated with a layer of polydimethylsiloxane (hereinafter referred to as PDMS) is constructed, and the correlation between the deformation of the soft surface and the tribological performance is investigated on the point-contact lubrication film measurement device based on optical interferometric technology. A high-speed camera is used to record the deformation behavior of the soft contact surface against the load, and the simultaneous measurement of contact diameter, indentation depth and surface contact contour line changes are realized. The results showed that the deformation of the PDMS surface is very fast after the load is applied, the deformation rises rapidly in 340 ms, then remains essentially unchanged and reaches a maximum value at the 300 s moment，and the deformation became smaller very fast after unloading, and basically recovered to the state before loading after 0.3 s. Under the dry contact condition, the friction force and real-time surface contact area were measured simultaneously with the change of speed and time, and it is found that the larger the real contact area was, the larger the corresponding friction force was. In the lubricated condition, the friction force was measured and the lubrication state of the soft contact surface is observed simultaneously. The results of the interferometric measurements show that it is always well lubricated and the surface deformation is reduced lubricated by calf serum, while the friction is very low and insensitive to changes in velocity. Under water lubrication, it is found that the surface is not adequately lubricated at low speeds, whereas the lubrication was improved and the friction is reduced when the speed is increased to 128 mm/s. This study would be like to provide a more comprehensive and objective knowledge of the tribological performance of soft contact surfaces, and be also of great significance for designing bionic lubrication materials with high-performance.

Key words: soft contact tribology, surface deformation, in situ optical measurements, friction, lubrication status

中图分类号:

TH117

袁晋鹏, 吴金龙, 杨淑燕, 麻拴红, 郭峰. 软接触表面的变形与摩擦学性能的关联性研究[J]. 机械工程学报, 2026, 62(9): 268-280.

YUAN Jinpeng, WU Jinlong, YANG Shuyan, MA Shuanhong, GUO Feng. Study on the Correlation between Deformation and Tribological Properties of Soft Contact Surfaces[J]. Journal of Mechanical Engineering, 2026, 62(9): 268-280.

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软接触表面的变形与摩擦学性能的关联性研究

Study on the Correlation between Deformation and Tribological Properties of Soft Contact Surfaces

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