Industrial Lubrication and Tribology: Volume 74 Issue 6

Ultrathin film formation under combined effect of surface roughness and surface force for elastohydrodynamic lubrication of point contact problems

Mohamed Abd Alsamieh

The purpose of this study is to investigate the combined effect of surface force, solvation and Van der Waals forces and surface topography parameters of amplitude and wavelength…

Electrical wear performance of copper matrix composites reinforced with hybrid CNTs and TiB2 particles

Yubo Yang, Xiuhua Guo, Kexing Song, Fei Long, Xu Wang, Shaolin Li, Zhou Li

Copper matrix composites are widely used in high-voltage switches, electrified railways and other electric friction fields. The purpose of this study is to improve its wear…

Optimization lubrication performance of journal bearings with microtexture

Lili Wang, Wei Zhang, Xingtang Zhao, Xue Ge

Researchers have not reached an agreement on which biomimetic shape has the best lubrication performance. This paper aims to study the influence of microtexture size, shape and…

Electric sliding wear performance optimization of rigid contact wire/strip pairs under DC passage

Guiming Mei

This paper aims to study the electric sliding wear performance of a rigid overhead line/contact strips and to find an optimal overhead line/contact strip pair to minimize the wear…

Cavitation in oscillatory porous squeeze film: a numerical approach

Said Sobhi, Mohamed Nabhani, Khalid Zarbane, Mohamed El Khlifi

This study aims to present a numerical model to investigate cavitation effects on oscillatory porous squeeze film. This effect is able to cause considerable damage to the…

Coupling of heat transfer and lubrication of cylinder liner-piston skirt conjunction and low-friction temperature strategy of cylinder liner

Xiang Zhang, Yujie Li, Menghan Li, Guorui Zhang, Xiaori Liu

This paper aims to understand the influence of cylinder liner temperature on friction power loss of piston skirts and the synergistic effect of cylinder liner temperature on…

Liquid-phase assisted laser preparation of 304 stainless steel surface texture and tribological properties evaluated

Shuaijie Zhai, Qiaogao Feng, Hui Yang, Lijie Ma, Minghua Pang

The purpose of this paper is to study a new liquid-phase assisted texture treatment method to improve the tribological properties of 304 stainless steel.

Simulation and experimental research on the influence of lubrication on the comprehensive friction of TGDI engine

Ye Hong, Yimin Mo, Jun Wang, Xiangkui Kong, Qingchun Liu

This paper aims to investigate the effects of low-viscosity and ultralow-viscosity engine oils on the comprehensive friction and fuel economy of turbocharged gasoline direct…

Lubrication characteristics of double involute gears under the tribo-dynamic condition

Zhaoming Yin, Zhimin Fan

The purpose of this paper is to study the lubrication characteristics of double involute gear (DIG), compare its lubrication differences under quasi-static and tribo-dynamic…

Temperature rise of magnetorheological fluid sealing film in a spiral grooved mechanical

Cheng Zhang, Jianfeng Zhou, Xiannian Meng

In the magnetorheological fluid (MRF) sealing, a large amount of friction heat is generated in the fluid film with micron thickness due to the viscosity dissipation, which leads…

Dry-sliding tribological properties of a tin–bronze alloy produced by multiaxial forging and annealing

Chunhua Wei, Chenglin Niu, Youyuan Tan, Zhixin Lei

This study aims to evaluate the dry-sliding tribological properties of fine-grained tin–bronze alloy under reciprocating sliding conditions.

Dispersity, stability and tribology behavior of modified nanoserpentine in lubricating oil

Yanhong Yan, Xiaocui Yan, Chengwen Yang, Yanfei Zhou, Zhining Jia, Caizhe Hao

The purpose of this study is to improve the dispersion of nanoserpentine modified with OA, KH550 and KH550/oleic acid in lubricating oil. The main aims are to analyze the…

Study of the slipper/swash plate pair loaded with a step motor-spring mechanism in the axial piston pump

Haiji Wang, Guanglin Shi

This paper aims to propose the slipper/swash plate pair loaded with a step motor-spring mechanism to reduce the energy consumption under different rotating rate conditions. The…

Effect of ATF temperature on the friction-wear characteristic of a wet multi-disc clutch during the running-in process

Biao Ma, Qian Wang, Changsong Zheng, Liang Yu, Guoyu Wang, Liangjie Zheng

This paper aims to explore the effect of automatic transmission fluid (ATF) temperature on the dynamic friction-wear properties of the friction component in a wet multi-disc…

Machining of titanium alloys using phosphonium-based halogen-free ionic liquid as lubricant additives

Arun Kumar Bambam, Anil Dhanola, Kishor Kumar Gajrani

Nowadays, ionic liquids (ILs) are used as lubricant additives because of their ability to improve tribological characteristics. However, majority of the ILs contains halogen-based…

Frictional evaluation of halogen-free ionic liquids with low corrosion degree and high decomposition temperature on steel surface

Feiming Wang, Xing Gao, Shuliang Zang, Shuang Yue

The purpose of this paper is to investigate the tribological properties, antiwear mechanism and anticorrosion properties of two novel halogen-free borate ionic liquids (ILs) in…

Study on the adhesion behavior of wheel/rail under water conditions by using mixed lubrication model

Xiaopeng Wang, Kun Peng, Meiyun Zhao, Hongliang Tian, Hongling Qin

The purpose of this paper is to propose a wheel/rail mixed lubrication model to study the water lubrication behavior of wheel/rail contact interface.

Non-Newtonian couple stress lubrication of MHD elastic journal bearings

Mohammed Kardoudi, Mohamed Nabhani, Mohamed El Khlifi

This paper aims to present a numerical model to examine the finite magneto-hydrodynamic (MHD) journal bearings performances including both non-Newtonian couple stress and bearing…