A study of the tribological behaviour of TiO2 nano-additive water-based lubricants

被引：195

作者：

Wu, Hui ^{[1
]}

Zhao, Jingwei ^{[1
]}

Xia, Wenzhen ^{[1
]}

Cheng, Xiawei ^{[1
]}

He, Anshun ^{[2
]}

Yun, Jung Ho ^{[2
]}

Wang, Lianzhou ^{[2
]}

Huang, Han ^{[2
]}

Jiao, Sihai ^{[3
]}

Huang, Li ^{[3
]}

Zhang, Suoquan ^{[3
]}

Jiang, Zhengyi ^{[1
]}

机构：

[1] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2522, Australia

[2] Univ Queensland, Sch Mech & Min Engn, Brisbane, Qld 4072, Australia

[3] Baoshan Iron & Steel Co Ltd, Baosteel Res Inst, R&D Ctr), Shanghai 200431, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2017年 / 109卷

基金：

澳大利亚研究理事会;

关键词：

TiO2; nano-additive; Water-based lubricant; Ball-on-disk; Coefficient of friction; CACO3; NANOPARTICLES; ANTIWEAR MECHANISM; CU NANOPARTICLES; WEAR PROPERTIES; FRICTION; OIL; ENHANCEMENT; PERFORMANCE; NANO-SIO2; NANO-TIO2;

D O I：

10.1016/j.triboint.2017.01.013

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A ball-on-disk tribometer was employed to evaluate the lubrication performance and mechanisms of innovative TiO2 nano-additive water-based lubricants. Two experimental methods were applied to determine the optimal mass fraction of TiO2. In the method I, lubricants were added onto the worn disk tracks at a predetermined time interval. In the method II, the disks were immersed in the lubricants continuously during the whole process of tribological tests. The results both indicate that the water-based lubricants can significantly reduce the coefficient of friction (COF). The 0.8 wt% TiO2 lubricant demonstrates excellent tribological properties including the lowest COF and the strongest wear resistance under all lubrication conditions. The lubrication mechanisms are attributed to the rolling and mending effects of the TiO2 nanoparticles.

引用

页码：398 / 408

页数：11

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