Industrial Lubrication and Tribology: Volume 75 Issue 5

Variation of surface integrity of cylindrical rollers under grinding and superfinishing processes

Zhijian Wang, Yin Wang, Lin Liu, Wengsheng Zhu, Jing Li, Yujie Zhao, Haijun Pang, Qilong Wu

The aim of this study is to first investigate the surface integrity of cylindrical rollers under grinding process and then design a reasonable superfinishing process that improve…

Synthesis of ZnFe2O4@MoS2 core-shell nanocomposites with enhanced lubrication performance as lubricant additives

Ting Li, Xianggang Chen, Junhai Wang, Lixiu Zhang, Xinran Li, Xiaoyi Wei

The purpose of this study is to prepare ZnFe₂O₄ nanospheres, sheet MoS₂ and three ZnFe₂O₄@MoS₂ core-shell composites with various shell thicknesses, and add them to the base oil…

A study on the influences of journal axial vibration on ship shaft stern bearing dynamic characteristics

Junchao Zhu, GuangCheng Wei, Chen Zong, DaKuan Xin

This paper aim to take the ship shaft stern bearing as the research object, and studies the influence of journal axial vibration on bearing dynamic characteristics under different…

Study on the milling performance of ball-end milling cutter under the combined action of micro-texture of rake and flank face

Shucai Yang, Shiwen Xing, Yang Yu, Pei Han, Chaoyang Guo, Lukai Liu

It was verified that the micro-texture in the front and back of the tool at the same time had a positive effect on improving the milling behavior and surface quality of the tool…

The effect of nanolubrication on wear and friction resistance between sliding surfaces

Mu’taz AlTarawneh, Salloom AlJuboori

Studies on this topic have shown the remarkable lubricating properties, viz. friction-reducing and anti-wear, of certain nanoparticles. This makes them potential candidates for…

Lubrication characteristics and thermal deformation of hydrostatic thrust bearing based on conjugate heat transfer

Weifeng Liu, Xiaodong Yang, Xianli Liu, Jian Zhang, Feilin Liu, Shengguo Yang, Lin Zeng

The purpose of this paper is to analyze the variation of temperature field, pressure field and deformation of hydrostatic thrust bearing under different working conditions, so as…

Study on anti-wear and friction-reducing compounding additives in lithium greases

Yuhai Shen, Yanshuang Wang, Jianghai Lin, Pu Zhang, Xudong Gao, Zijun Wang

This paper aims to determine a suitable anti-wear and friction-reducing compounding additive for lithium greases (LG) by investigating the effects of three single additives…

Research on influence of polishing fluids parameters on processing effects in reciprocating magnetorheological polishing

Rensheng Wang, Cong Sun, Shichao Xiu, Qi Wang, Xiaohua Zhang, Qi Zhao

This paper aims to study the influence of the different parameters of magnetorheological polishing fluids (MRP fluids) on the surface roughness and material removal rate (MRR) of…

A solution for finite journal bearings by using physics-informed neural networks with both soft and hard constrains

Yinhu Xi, Jinhui Deng, Yiling Li

The purpose of this study is to solve the Reynolds equation for finite journal bearings by using the physics-informed neural networks (PINNs) method. As a meshless method, it is…

Numerical investigation on wheel-rail adhesion under water-lubricated condition during braking

Yuqi Yang, Bing Wu, Guanwen Xiao, Quan Shen

The purpose of this study is to develop a 3D wheel-rail adhesion model under wet condition, which considers the generated surface roughness topography and the traditional braking…

Numerical simulation and experimental study on adhesion effect of powder lubricating layer

Junchao Kong

Powder lubrication is widely used in industrial production, but most of the research that analyze the wear process and speculate on the wear mechanism of the tested specimens…

Differentiated SnSb grain size distribution for improved tribological properties of Babbitt alloy

Yuquan Ni, Peng Guo, Chonggang Ren, Jicai Yin, Bingchuan Bian

The grain size and grain distribution mode have a significant impact on the tribological properties of Babbitt alloy. The purpose of this paper is to study the effect of…

Performance of a transverse ridge located through the contact zone of an ultra-thin film including surface force effect

Mohamed Abd Alsamieh

The purpose of this paper is to investigate the performance of an ultra-thin film lubricated conjunction through the elastohydrodynamic lubrication of point contacts for various…

Effect of polymer additives on the tribological performance of soybean oil

Soumya Ranjan Guru, Chetla Venugopal, Mihir Sarangi

This study aims to investigate the behavior of vegetable oil with two additives. Base oil’s tribological qualities can be improved with the help of several additions. In the…

Sealing performance in a spiral groove mechanical seal lubricated by magnetic fluid

Penggao Zhang, Fei Feng, Xiu Feng, Long Wei

Magnetic fluid has excellent function used as lubricants in bearings and mechanical seals, and the purpose of this study is to investigate the sealing performance in a spiral…