Industrial Lubrication and Tribology: Volume 72 Issue 1

The dynamic performance analysis of chevron shape textured hydrodynamic bearings

Gourav Jamwal, Sanjay Sharma, R.K. Awasthi

This paper aims to evaluate the various dynamic performance parameters of hydrodynamic journal bearings. For this, the bearing’s inner surface is textured with chevron-shaped…

Effect of MWCNTs/Talc powder nanoparticles on the tribological and thermal conductivity performance of calcium grease

Ahmed Mobasher, Alaa Khalil, Medhat Khashaba, Tarek Osman

The purpose of this paper is to evaluate the influence of nanoparticles as an additive on the tribological properties of calcium grease.

Traction behaviours of aviation lubricating oil and the effects on the dynamic and thermal characteristics of high-speed ball bearings

Zhen Li, Yufan Lu, Chi Zhang, Jinlong Dong, Xiaoli Zhao, Liqin Wang

The traction behaviours of lubricating oil significantly affect the stability and lubrication regime of aviation high-speed ball bearings. Rolling elements will slide at a low…

Enhanced understanding of leakage in mechanical seals with elliptical dimples based on CFD simulation

Sen Jiang, Hua Ji, Tianhao Wang, Donglin Feng, Qian Li

The shapes of surface textures have been designed to control the leakage of mechanical seals in recent years. The purpose of this paper is to demonstrate the influence of…

The dominance of water on lubrication properties of articular joints

Hakan Göçerler, Bernhard Pfeil, Friedrich Franek, Christoph Bauer, Eugenia Niculescu-Morzsa, Stefan Nehrer

The paper aims to focus on the individual contribution of water to the lubrication regimes in articular joints because understanding of these regimes is crucial not only for the…

A method to obtain the linear dynamic coefficients for journal bearing in vertical rotors

Changmin Chen, Jianping Jing, Jiqing Cong

The infinitesimal perturbation (IP) method is commonly used in calculating stiffness and damping of journal bearing in horizon rotor systems. The boundary condition (BC) for the…

Synthesis and evaluation of amines/phenolics antioxidant for TMPTO base oil

Wen Zhan, Dan Jia, YongLiang Jin, HaiTao Duan, Jian Li, Jun Liu

The purpose of this paper is to synthesize amines/phenolic antioxidants by a new method and to characterize the influence of antioxidants on thermo-oxidative degradation in…

Tribological properties of carbonized polydopamine/rGO composite coatings

Ming Yang, Zhengfeng Jia, Denghu Wei, Yunxia Wang, Xianjuan Pang, Jinming Zhen, Ran Zhang, Bo Yu

The purpose of this paper is to investigate the tribological properties of carbonized polydopamine/reduced graphene oxide (CPDA/rGO) composite coatings.

Influence of iron–aluminum alloy on the tribological performance of non-asbestos brake friction materials – a solution for copper replacement

Saikrishnan G., Jayakumari L.S., Vijay R., Lenin Singaravelu D.

The purpose of this study is to investigate the influence of commercially available iron–aluminum alloy compared to copper, iron and aluminum powders on the tribological…

Influence of structural parameters of friction pair on oil temperature rise in hydro-viscous clutch

Zhibao Li, Fangwei Xie, Junyu Sun, Jie Zhu, Xudong Zheng, Xinjian Guo, Yun Wang, Yinqun Hua

The purpose of this paper is to study the temperature characteristics of hydro-viscous clutch with different structure of friction disks and obtain the distribution of film…

Study on curved surface design of sliding pair based on stepped topography model

Zhenpeng Wu, Vanliem Nguyen, Zhihong Zhang, Liangcai Zeng

The stepped topography of the friction pairs mainly causes the fluid film thickness to change in the direction of motion. In this region, there have very few topographical design…

Static characteristics analysis of spherical hybrid sliding bearings

Jian Wang, Jing Feng Shen, Ya Wen Fan

The spherical hybrid sliding bearings (SHSBs) can be used in ultra-precision and heavy-duty machine tools. However, there is little related research for these bearings. The…

On the lubrication characteristics of piston ring under different engine operation conditions

Jun Sun, Xiao Zhang, Jianxiong Zhu, Yaming Gao, Hu Wang, Xiaoyong Zhao, Qin Teng, Yanping Ren, Guixiang Zhu

Currently, lubrication analysis of piston ring is generally done under engine rated operating condition. However, the engine (such as the vehicle engine) does not always operate…

Effect of percolation on hydrodynamic lubrication of rough bilayer porous bearing with circular contact

Guotao Zhang, Baohong Tong, Shubao Yang, Liping Shi, Yanguo Yin

The purpose of this paper was to study the hydrodynamic lubrication of rough bilayer porous bearing to reveal the effect of percolation.

Physical and chemical indexes of synthetic base oils based on a wavelet neural network and genetic algorithm

Guomin Wang, Yuanyuan Wu, Haifu Jiang, Yanjie Zhang, Jiarong Quan, Fuchuan Huang

The purpose of this paper is to use the wavelet neural network and genetic algorithm to study the effects of polyalphaolefin, TMP108 and OCP0016 on the kinematic viscosity…

A method designed for bionic air bearing based on the structure of long-eared owl wing

Siyang Gao, Jianwei Sun, Bangcheng Zhang

The purpose of this paper is to design a kind of air bearing which is based on bionics. Compare with ordinary air bearing, the air pressure consumption is reduced and energy is…

Stiffness model of fixed joint considering self-affinity and elastoplasticity of asperities

Hongxu Chen, Qin Yin, Guanhua Dong, Luofeng Xie, Guofu Yin

The purpose of this paper is to establish a stiffness model of fixed joint considering self-affinity and elastoplasticity of asperities.

High-temperature tribological behavior of Mo and BaF2 added Cr3C2-NiCr matrix composite

Hailong Zhao, Lirong Luo, Fangwei Guo, Xiaofeng Zhao, Ping Xiao

The purpose of this paper is to investigate the tribological performance of Cr₃C₂–NiCr–Mo–BaF₂ composite sliding against a Si₃N₄ ball at high temperatures.

Effect of piston clearance on the lubrication performance in axial piston pump

Bora Lee, Yonghun Yu, Yong-Joo Cho

This paper aims to provide a reliable and efficient numerical piston–cylinder design method and assess the effect of clearance on the piston-cylinder lubrication.

The tribological properties of bulk Fe2B with pre-oxidation treatment at 750°C in air

Kemin Li, Zhifu Huang, Hanwen Ma, Shaofei Wang, Chaofeng Qin, Pengcheng Liu

The purpose of this study was to investigate the tribological properties of bulk Fe₂B with pre-oxidation treatment.

The effect of lubricant viscosity model with improver on friction and lubrication of piston skirt-cylinder liner conjunction

Gu Xin, Xiao-Ri Liu, Dong-Kang Cheng, Qing-Ping Zheng, Meng-Han Li, Nan-Nan Sun, Chun-Hua Min

This paper aims to investigate the effect of lubricant viscosity model with improver on friction and lubrication of piston skirt-cylinder liner conjunction.

Root iterative method for static performance analysis of aerostatic thrust bearings with multiple pocketed orifice-type restrictors based on ANSYS

Yangong Wu, Zheng Qiao, Jiadai Xue, Yutao Liu, Bo Wang

The purpose of this paper is to present a novel numerical approach to analyze the static performance of aerostatic thrust bearings by adopting a general finite element method…

The tribological performance of engineered micro-surface topography by picosecond laser on PEEK

Meiling Wang

The purpose of this study is to investigate the effect of engineered micro-structures on the tribological properties of metal-polyetheretherketone (PEEK) surface.