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Invasion-Migration-Wear Mechanism of Hard Particles at the Interface of Water-Lubricated Rubber Bearing Under Friction Vibration Excitation

文献类型： 外文期刊

作者： Kuang, Fuming 1 ; Zhu, Anbang 2 ; Zhou, Xincong 3 ; Yuan, Chengqing 3 ; Qin, Hongling 4 ; Cao, Pan 5 ; Zhu, Dequan 2 ; Li, Qing 2 ; He, Qing 1 ; Wang, Jun 6 ;

作者机构： 1.Chinese Acad Agr Mechanizat Sci, 1 Waibeitantan Beach,Deshengmen, Beijing 100083, Peoples R China

2.Anhui Agr Univ, Sch Engn, Hefei 230036, Peoples R China

3.Wuhan Univ Technol, Sch Transportat & Logist Engn, Wuhan 430063, Peoples R China

4.Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350108, Peoples R China

5.Yangzhou Univ, Sch Mech Engn, Yangzhou 225009, Peoples R China

6.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Peoples R China

关键词： Water lubricated rubber bearing; Hard particle; Invasion-migration-wear mechanism; Frictional vibration

期刊名称：TRIBOLOGY LETTERS （ 影响因子：3.3； 五年影响因子：3.3 ）

ISSN： 1023-8883

年卷期： 2025 年 73 卷 1 期

页码：

收录情况： SCI

摘要： In sediment environments, water-lubricated rubber bearings are inevitably subjected to particle abrasion, especially during frictional vibration. However, the invasion-migration-wear mechanism of hard particles under frictional vibration excitation remains unclear. This study analyzes the contact strain at the friction interface and the dynamic response of the friction system by constructing a visualized friction pair at the interface and employing digital image processing technology. The results reveal that the friction-induced vibration in the water-lubricated rubber bearing-rotor system primarily manifests as chatter and squeal. Chatter represents a more intense stick-slip behavior, during which larger sediment particles are allowed to invade. These invading particles tend to sink deeper into the friction pair during the stick phase and migrate with the water flow during the slip phase, leading to combined wear in the form of scratches and pits. During squeal, the amplitude of stick-slip behavior is relatively small, allowing only small sediment particles to invade, which result in scratches on the bearing surface. When the system does not experience friction vibration, sediment particles are unlikely to enter the friction interface, even in a sediment-rich environment, and therefore, no significant wear occurs.

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