Industrial Lubrication and Tribology: Volume 75 Issue 10

Analysis of key brake pad parameters on brake system stability

Dongdong Lin, Xiaoyu Yan, Binsan Chen, Na She, Yining Ding, Shichao Dong

This study aims to explore the impact of key parameters of brake pads on the dynamic characteristics of the braking system.

Simulated and experimental study on the relationship between coefficient of friction and temperature of aluminum-based brake disc

Youjie Chen, Rong Fu, Junying Yang, En Zhang, Linlin Su, Fei Gao

This study aims to clarify the relationship between the coefficient of friction (COF) and temperature of aluminum-based brake discs.

Modelling and performance improvement of an annular grooved thrust air bearing

Yinan Chen, Dehong Huo, Guorong Wang, Lin Zhong, Zheng Gong

This paper aims to combine the grooves with an annular air thrust bearing with multi-hole restrictors and discusses the influence of the groove parameters on the bearing…

Comparative tribological performance of a-C:H, ta-C and AlCrSiN coatings on 20CrMnTi gear steel under dry sliding condition

Zonglin Lei, Zunge Li, Yangyi Xiao

This study aims to investigate the surface modification on 20CrMnTi gear steel individually treated by diamond-like carbon films and nitride coatings.

Effect of composite solid lubricant coatings on the tribological performance of thrust cylindrical roller bearings

Xiao Xu, Yimin Zhang

This study aims to form composite solid lubricant coatings on the surface of bearing steel, which can significantly improve the tribological properties of thrust cylindrical…

Numerical investigations on the lubrication characteristics of involute harmonic gears

Yi Shen, Tao He, Xiaoya Gong

Harmonic gears always work under different operating conditions and may usually break down due to lubrication failures, while its lubrication mechanism is still not clearly…

Mercaptobenzothiazole functionalized ionic liquids as additive in lithium complex grease: rheological and tribological performances

Huimin Yang, Chunlin Ye, Yi Li, Songwei Zhang

This study aims to probe the applicability of 2-mercaptobenzothiazole (MBT) functionalized ionic liquids (ILs) as additives in lithium complex grease (LCG) by researching the…

Effect of applied electric and magnetic fields on surface roughness in minimum quantity lubrication turning using Fe3O4 nano-ferrofluid

Alireza Khodabandeh, Mohammad Mahdi Abootorabi

First, the effect of magnetic field intensity and nano-ferrofluid concentrations on surface roughness was evaluated in magnetic minimum quantity lubrication (MMQL). Then, the…

Influence of floating ring elastic deformation on ring equilibrium and minimum film thickness for a hydrodynamic/hydrostatic floating ring bearing

Shuai Yang, Junxing Hou, Xiaodong An, Shuanghui Xi

The floating ring generates elastic deformation as the film pressure for high-speed floating ring bearings (FRBs). The purpose of this study is to investigate the influence of…

Effect of rail profile wear on vehicle operation performance in high-speed line

Yayun Qi, Shuyu Li, Zhaowei Chen, Ruian Wang

With the continuous increase in the operating speed of high-speed trains, the wear and tear of rails on high-speed lines has also gradually deteriorated. At present, the…

An efficient thermal model for high-speed angular contact ball bearings based on oil-air two-phase flow and gray-box model

De-Xing Zheng, Dateng Zheng

For a lightweight and accurate description of bearing temperature, this paper aims to present an efficient semi-empirical model with oil–air two-phase flow and gray-box model.

Optimization design of irregular grooved texture on the surface of sliding pair based on adaptive genetic algorithm

Zhongkai Shen, Shaojun Li, Zhenpeng Wu, Bowen Dong, Wenyan Luo, Liangcai Zeng

This study aims to investigate the effects of irregular groove textures on the friction and wear performance of sliding contact surfaces. These textures possess multiple depths…

Clearance compatibility and design principle of the single-structured hybrid gas-magnetic bearing

Qing Liu, Li Wang, Ming Feng

This paper aims to study the clearance compatibility of active magnetic bearing (AMB) and gas bearing (GB) to achieve a single-structured hybrid gas-magnetic bearing (HGMB), which…

Design and analysis of combined standard ferrofluid and centrifugal seals

Marcin Szczęch, Kuldip Raj

Ferrofluid seals are known for their low friction torque and high tightness. However, they have some limitation due to the allowable rotational speed. The work presented here…

Study on the thermal decay mechanism of basalt fiber reinforced resin based friction materials

Shanglong Fang, Wei Xiao, Kewen Chen, Xuding Song

Resin-based friction materials are the most widely used key materials in industry for braking and transmission. However, the friction coefficient of resin-based friction materials…

Mechanical seal friction condition monitoring based on bispectral characteristics

Haocheng Bi, Muming Hao, Baojie Ren, Sun Xinhui, Tianzhao Li, Kailiang Song

The purpose of this paper is to investigate the monitoring of the friction condition of mechanical seals.

Study on contact and vibration characteristics of composite cylindrical roller bearings

Qiang Bian, Xiangyun Zhang, Bowen Jiao, Guang Zeng, Chunjiang Zhao

The purpose of this paper is to establish a dynamic analysis model of composite cylindrical roller bearings, investigate the effects of different working conditions on the…

Research of operation mode of high-speed trains on the effect of rail wear evolution law

Yayun Qi, Ruian Wang, Xiaolu Cui, Hutang Sang, Wenhui Mao

With the increased speed and mileage of high-speed lines, the problem of rail wear is increasing. In actual operation, a large number of abnormal wear phenomena occur on both…