Industrial Lubrication and Tribology: Volume 73 Issue 10

A comparative study on the electrical and tribological characteristic of magnetron sputtered Ag, Cu and Al films under current-carrying friction

Yanqiu Xia, Yanan Cao, Xin Feng, Haris M_ P_

The purpose of this paper is to compare the electrical conductivity and tribological properties of magnetron sputtered silver (Ag), copper (Cu) and aluminum (Al) thin films under…

Theoretical analysis and experiment on gas film stiffness with slip flow in a spiral-grooved dry gas seal

Junjie Lu

This study aims to study the gas film stiffness of the spiral groove dry gas seal.

Effect of surface micro-groove texture on lubrication performance of tripod universal coupling

Fuqin Yang, Q.H. Xiao, Chunhui Geng

This study aims to study the effect of micro-groove texture geometric parameters on the lubrication characteristics of the tripod universal coupling.

Lubrication efficiency of crankpin bearing using square-cylindrical textures of partial textures optimized by genetic algorithm

Shaoyong Xu, Vanliem Nguyen, Xiaoyan Guo, Huan Yuan

This paper aims to propose an optimal design of the partial textures in the mixed lubrication regime of the crankpin bearing (CB) to maximize the CB's lubrication efficiency.

Dynamic analysis of ball screw feed system with abrupt-change-nonlinear drive stiffness

Feng Gao, Pan-Pan Li, Yan Li

For ball screw feed system, a sudden start or stop has a great influence on the transmission stiffness, so the axial stiffness mutation of feed system will occur. The purpose of…

Hole geometry and surface integrity assessment in drilling of inconel 718 using laser texture filled solid lubricant tools

Pradeep Kumar Mishra, Periyaswamy Kalidas, Jagadesh T.

Inconel 718 is used in gas turbine engines for aerospace applications due to high creep resistance but generating a hole with good surface integrity is challenging because the γ′ 

Numerical and experimental study on dynamic characteristics of tilting-pad journal bearings considering pivot stiffness in a vertical rotor system

Fan Zhang, Peng Yin, Yuyang Liu, Jianmei Wang

The purpose of this paper is to study the influence of pivot stiffness on the dynamic characteristics of tilting-pad journal bearings (TPJBs) and the stability of the…

Effects of Al2O3 mass fraction on microstructure and friction–wear performance of laser cladded Fe90 alloy coating

Yan Hu, Dejun Kong

This paper aims to improve the friction reduction and wear resistance of Fe90 alloy coating by the addition of Al₂O₃.

A simple cornea model for the tribological performance assessment of the lubricating eye drops

Hakan Göcerler, Simon Medina, Michael Adler, Josef Brenner, Andreas Tadler, Michael Nagl, Christine Hohenadl

Dry eye syndrome is one of the most common reasons for eye-related discomfort which, without treatment, in some cases may even lead to corneal damage. Blinking, baseline and…

Dynamic contact stress and frictional heat analysis of femoral head-on-acetabular cup interface based on calculation and simulation methods

Xingxing Fang, Dahan Li, Yucheng Xin, Songquan Wang, Yongbo Guo, Ningning Hu, Dekun Zhang

The purpose of this paper is to systematically study the dynamic contact stress, frictional heat and temperature field of femoral head-on-acetabular cup contact pairs in a gait…

Thermal elastohydrodynamic lubrication characteristics and optimisation of the ball-type tripod universal joint

Fuqin Yang, Xiaojie Han, Mingqing Si

This paper aims to study the influence of three-column groove shell radius, ball radius, lubricating oil viscosity and elastic modulus on the thermal elastohydrodynamic…

Molecular dynamics study on the mechanical and tribological properties of polyimide reinforced by lanthana

Peng Cai, Chengpeng Xu, Fei Zheng, Jingfu Song, Gai Zhao

The purpose of this paper is to investigate the effect of lanthana (La₂O₃) on the mechanical and tribological properties of polyimide (PI).

Numerical and experimental study on the static performance of externally pressurized thrust bearings lubricated with refrigerant gases

Chengjun Rong, Huaqi Lian, Yulong Li

Oil-free heat pumps that use the system refrigerant gases as lubricants are preferred for thermal management in future space applications. This study aims to numerically and…

Numerical and experimental study on the effect of surface texture with roughness orientation considered under a mixed lubrication state

Junru Wang, Quandai Wang, Yueyan Li, Meiling Guo, Pengyang Li, Yan Li

The purpose of this paper is to investigate the effects of surface texture with roughness orientation considered on tribological properties under a mixed lubrication state…

Nonlinear dynamic analysis of multiple grooved water-lubricated journal bearings using attenuation rate interpolation method

Qiang Li, Qinglei Liu, Yujun Wang, Shuo Zhang, Yujing Du, Bin Li, Wei-Wei Xu

The stringent requirements for environmental protection have induced the extensive applications of water-lubricated journal bearings in marine propulsion. The nonlinear dynamic…