Industrial Lubrication and Tribology: Volume 72 Issue 6

Investigation of different tribological systems during full forward impact extrusion of aluminum alloy EN AW 6082

Martina Müller, Rafael Hild, Daniel Trauth, Thomas Bergs

The modification of the tribological system is an essential aspect of the implementation of resource-saving processes in cold forming. As a result, the focus of this contribution…

Effect of angular speed of cam on oil film variation in the line contact thermal EHL of a cam-tappet pair

Hongwei Tang, Jing Wang, Nannan Sun, Jianrong Zhu

The influence of the cam angular speed on the pressure, film thickness and temperature profiles at some selected angular positions together with the oil characteristics are…

High-strength gears produced by powder metallurgical processes – KL500/93-2

Fritz Klocke, Christoph Broeckmann, Christoph Löpenhaus, Alexander Bezold, Tim Frech, Marko Hajeck, Philipp Scholzen, Christian Gebhardt

The purpose of this study is to optimize high-strength gears produced by powder metallurgical process and to provide a material model to predict the tooth root bending fatigue…

Effects of laser shock processing on abrasion resistance of high speed steel cutting tools

Yujie Fan, Feng Xue, Yuankai Zhou, Yibin Dai, Pengfei Cui, Yu Su, Zhiqiang Liu

As a key basic component used in machining, high-speed steel (HSS) tools often prone to wear and failure during machining. Therefore, the purpose of this study is to adopt a…

Influence of interface slip on the surface frictional force of texturing sliding bearing

Yuanfang Zhao, Yang Jianxi

The purpose of this paper is to explore the sensitive parameters affecting the friction resistance of sliding bearings under different interface slip conditions and the influence…

Deterministic investigation of the contact behavior of nominally curved rough surfaces

Yali Zhang, Xiaogang Zhang, Zhongmin Jin

This study aims to investigate the contact behavior of nominal curved surfaces with random roughness.

Investigation and optimization of textured thrust bearings with spirally distributed dimples using multi-objective optimization method

Qiang Li, Yujun Wang, Shuo Zhang, Wei-Wei Xu, Lu Bai, Zhenbo Wang

Surface textures have been widely used in thrust bearings as a means of enhancing the tribological performance. The effect of textures with a spiral distribution on the…

Study on the performance of gas foil thrust bearings with stacked bump foils

Hongyang Hu, Ming Feng, Tianming Ren

This paper aims to improve the load capacity of gas foil thrust bearing (GFTB) and to introduce and study a novel bearing with stacked bump foils.

Tribological performance of the graphene synthesized from fruit cover plastic waste and oil palm fiber using a CVD method

Noor Ayuma Mat Tahir, Mohd Fadzli Bin Abdollah, Noreffendy Tamaldin, Hilmi Amiruddin, Mohd Rody Bin Mohamad Zin, S. Liza

This paper aims to examine the friction and wear performance of the graphene synthesized from fruit cover plastic waste and oil palm fiber (OPF).

Finite element analysis of layered, variable density, ball bearings based on pearl and turtle shell bionic structures

Jing Hu, Qiong-Ying Lv, Xin-Ming Zhang, Zeng-Yan Wei, Hai Long Li

This paper aims to present ball bearings with a composite structure based on the bionics principle and shows the comparison between five types of different structures.

Steady performance and dynamic characteristics of a superellipse groove dry gas seal at a high-speed condition

Guiyue Kou, Xinghu Li, Yan Wang, Mouyou Lin, Chunsen Tan, Mingfei Mou

The purpose of this paper is to enhance film stiffness and control seal leakage of conventional spiral groove dry gas seal (S-DGS) at a high-speed condition by introducing a new…

Theoretical and experimental analysis of a water-lubricated rubber journal bearing with a large aspect ratio

Zhiming Zhao, Rui Zhang

The hydrodynamic characteristics of liquid film for bearings, especially water-lubricated bearings with a large length-to-diameter ratio, affect the dynamics behavior of rotor…

Experimental investigation on Stribeck curves of different elastic modulus materials under oil and water lubrication conditions

Hua Zhang, Guangwu Zhou, Ping Zhong, Kepeng Wu, Xingwu Ding

The purpose of this paper is to study the influence of friction coefficient of materials with different elastic modulus on the variation of velocity and load under water…

Impact of 3D-printing structure on the tribological properties of polymers

Muammel M. Hanon, Róbert Marczis, László Zsidai

The purpose of this paper is to examine the impact of three-dimensional (3D)-printing process settings (particularly print orientation) on the tribological properties of different…