Industrial Lubrication and Tribology: Volume 70 Issue 4

Effect of laser surface texturing on tribological properties of polyimide composites in the application of traveling wave rotary ultrasonic motor

Xiaoliang Liu, Gai Zhao, Jinhao Qiu

The purpose of this paper is to investigate the effect of laser surface texturing on the tribological properties of polyimide composites and the output performance of traveling…

Microstructure and friction-wear performances of cathodic arc ion plated TiAlSiCN coatings on YT14 cemented carbide cutting tools

Kong de Jun, Zhang Donghui

The purpose of this study was to develop a TiAlSiCN coating with high bonding and hardness, ultra-low friction and good lubrication characteristics, which provided an experimental…

Surface roughness effects on point contact elastohydrodynamic lubrication in linear rolling guide with fractal surface topographies

Linlin Li, Jiajun Yang

The purpose of this paper is to study the effects of surface roughness on the lubrication performances of the linear rolling guide, which provides theoretical guidance for its…

Multigrid method for the solution of EHL point contact with bio-based oil as lubricants for smooth and rough asperity

Vishwanath B. Awati, Shankar Naik, Mahesh Kumar N.

The purpose of this paper is to study the elastohydrodynamic lubrication point contact problem with bio-based oil as lubricants for an isothermal case. The simulation of the…

Film formation in EHL contacts with oil-impregnated sintered materials

Milan Omasta, Martin Ebner, Petr Šperka, Thomas Lohner, Ivan Krupka, Martin Hartl, Bernd-Robert Hoehn, Karsten Stahl

The purpose of this study is to investigate lubricant film-forming capability of oil-impregnated sintered material in highly loaded non-conformal contacts. This self-lubrication…

Evaluation of parameters for application of Laser Surface Texturing (LST) in tooling for the sheet-metal forming process

José Jaime Taha-Tijerina, GerardoTadeo Garza, Demófilo Maldonado-Cortés

The purpose of this paper is to evaluate the effects of microcavities, diameter and depth, in tribological performance, of the application of laser surface texturing (LST) and LST…

Effect of slurry concentration on erosion wear behavior of AISI 5117 steel and high-chromium white cast iron

Mohammed Ahmed Al-Bukhaiti, Ahmed Abouel Kasem Mohamad, Karam Mosa Emara, Shemy M. Ahmed

This paper aims to investigate the influence of slurry concentration on the erosion behavior of AISI 5117 steel and high-chromium white cast iron by using a whirling-arm rig. In…

Low friction states for thin solid lubricant film of MoS2

Kwang-Hua R. Chu

During the operation of Wendelstein 7-X (W7-X), any mechanical disturbance such as stick-slip may cause quenching of superconducting (SC) coils. The friction behavior of MoS₂…

Online condition monitoring of misaligned meshing gears using wear debris and oil quality sensors

Paras Kumar, Harish Hirani, Atul Kumar Agrawal

This paper aims to investigate the effect of misalignment on wear of spur gears and on oil degradation using online sensors.

Piston skirt friction loss and dynamic analyses based on FEM method

Zhenpeng He

The analysis carried out in this study can provide guidance for manufacturers and researchers to design a piston for the development of engines.

Dynamic characteristics of exponential slider bearings lubricated with a ferrofluid – Shliomis model

Jaw-Ren Lin, Li-Ming Chu

The purpose of this paper is to investigate the dynamic characteristics of exponential slider bearings lubricated with a ferrofluid. Because of the development of modern…

Estimation of rolling friction coefficients in a tribosystem using optical measurements

Yiling Li, Yinhu Xi, Yijun Shi

This paper aims to present a method to measure the rolling friction coefficient in an easy and fast way. The aim is also to measure the rolling friction coefficient between a…

Wear of different material pairings for the cylinder liner – piston ring contact

Thomas Wopelka, Ulrike Cihak-Bayr, Claudia Lenauer, Ferenc Ditrói, Sándor Takács, Johannes Sequard-Base, Martin Jech

This paper aims to investigate the wear behaviour of different materials for cylinder liners and piston rings in a linear reciprocating tribometer with special focus on the wear…

Tribological study of castor oil with surface-modified CuO nanoparticles in boundary lubrication

Rajeev Nayan Gupta, Harsha A.P.

The present work aims to formulate nanolubricants and improve antiwear, antifriction and extreme pressure (EP) performances of castor oil (CO) with surface-modified CuO…

Thermo-hydrodynamic performance of tilted non-circular micropolar lubricated journal bearings

R. Rashidi Meybodi, A. Rasoolizadeh Shooroki, M. Zare Mehrjardi

The purpose of this study is to examine the thermo-hydrodynamic performance of tilted non-circular journal bearings lubricated with a micropolar fluid. The investigated bearing…

Cost-efficient long-term estimation of gear oil filterability considering stresses in service

Gero Burghardt, Andrew Flórez, Georg Jacobs

Wear particles and contaminants are known to reduce lifetime of machine elements such as roller bearings. This can be avoided through fine filtration. However, oil filterability…

Development of a mathematical model to determine optimum hollowness in layered cylindrical hollow rolling element using FE analysis

Mitul Thakorbhai Solanki, Dipak Vakharia

The purpose of this paper is to develop a mathematical model to determine optimum hollowness of a layered cylindrical hollow rolling element when it contacts with a flat plate.

A study of dynamic behaviors of contact pair in lubricated ball linear guide

Linlin Li, Jiajun Yang

This paper aims to predict the dynamic behaviors of contact between the steel ball and raceway in the elastohydrodynamically lubricated ball linear guide, thus providing a…

Investigation on inner flow field characteristics of groove textures in fully lubricated thrust bearings

Wei Wang, Yongyong He, Yang Li, Bin Wei, Yutong Hu, Jianbin Luo

The purpose of this study is to investigate the inner flow field characteristics of groove textures in thrust bearings. Cavitation and vortex are studied simultaneously to enrich…

Polymer mechanics and tribology

Nikolai K. Myshkin, Alexander Kovalev

The purpose of this paper is to review the advances in mechanics and tribology of polymers and polymer-based materials. It is focused on the understanding of the correlation of…

Performance analysis of high-stiffness bearing composited by hydrostatic cavities and tilting pads with preload

Runlin Chen, Jianlei Wang, XiaoYang Yuan, Longlong Li, Yahui Cui

To meet the high stiffness requirement of bearings used in high-precision spindles, this paper aims to propose a novel kind of bearing composited by hydrostatic cavities and…

A general performance calculation model of journal bearing using unified coordinate system

Aibin Zhu, Hongling Wu, Yulei Yang, Shengli He

Because of the various geometric descriptions of different bearing types, performance calculation of journal bearing is complicated, and is difficult in traditional model. This…

Investigation of sustainability of lubricated journal bearing under relevant design parameters

M.M. Shahin, Mohammad Asaduzzaman Chowdhury, Md. Arefin Kowser, Uttam Kumar Debnath, M.H. Monir

The purposes of the present study are to ensure higher sustainability of journal bearings under different applied loads and to observe bearing performances such as elastic strain…

Slurry erosion performance study of HVFS sprayed Ni-20Al2O3 and Ni-15Al2O3-5TiO2 coatings under hydro accelerated conditions

Rajeev Kumar, Sanjeev Bhandari, Atul Goyal, Yogesh Kumar Singla

This paper aims to cover all the aspects of development, investigation and analysis phases to evaluate the slurry erosion performance of test coatings. The powders having…

Study the formation of mechanically mixed layer and subsurface behavior of worn-out surfaces of aged hybrid metal matrix composites

Viswanatha B.M., M. Prasanna Kumar, S. Basavarajappa, T.S. Kiran

This paper aims to investigate the wear behaviors of aged metal matrix composites and of the as-cast Al-Si alloy by using a pin-on-disk wear testing machine at room temperature.