Industrial Lubrication and Tribology: Volume 66 Issue 3

Effect of surface roughness, viscosity-pressure relationship and elastic deformation on lubrication performance of misaligned journal bearings

Jun Sun, Xinlong Zhu, Liang Zhang, Xianyi Wang, Chunmei Wang, Hu Wang, Xiaoyong Zhao

Current lubrication analyses of misaligned journal bearings were generally performed under some given preconditions. To make the lubrication analysis closer to the actual…

The tribochemical study of novel phosphorous-nitrogen (P-N) type phosphoramidate additives in water

Jincan Yan, Xuefeng Bai, Jing Li, Tianhui Ren, Yidong Zhao

– The purpose of this paper is to investigate the tribological properties of novel phosphorous-nitrogen (P-N) type additives in water.

A novel benztriazole derivative for enhancing the anti-oxidation properties of synthetic ester-based oils

Gaiqing Zhao, Qin Zhao, Xiaobo Wang, Weimin Liu

The purpose of this paper is to study a novel Mannich adduct of benztriazole-containing diphenylamine (coded as BD) and its anti-oxidation properties as an additive in two typical…

Effects of lubricant on the mechanical properties of aluminum 6063 alloy after ECAE

Joseph S. Ajiboye, Saheed A. Adebayo, Temitayo M. Azeez

The purpose of this paper is to investigate the degree of improvement in mechanical properties of aluminum alloy (AA6063) after processing with equal channel angular extrusion…

Effect of surface roughness on magneto-hydrodynamic squeeze-film characteristics between a sphere and a porous plane surface

Neminath Bhujappa Naduvinamani, Mareppa Rajashekar

The purpose of this article is to analyse the effects of surface roughness on the magneto-hydrodynamic (MHD) squeeze-film characteristics between a sphere and a porous plane…

Squeeze film characteristics of conical bearings operating with non-Newtonian lubricants – Rabinowitsch fluid model

Cheng-Hsing Hsu, Jaw-Ren Lin, Lian-Jong Mou, Chia-Chuan Kuo

– The purpose of this paper is to present a theoretical study of non-Newtonian effects in conical squeeze-film plates that is based on the Rabinowitsch fluid model.

Evolution of the lubrication regime of a cylindrical journal bearing in the starting phase

Kadda Mehala, Nadia Bendaoud, Abdelkader Youcefi

The paper aims to analyze the evolution of the lubrication regime by studying the variation of friction coefficient with the rotational speed of the shaft and the impact of the…

Investigation on the application of YAG laser texturing technology to the cylinder wall of auto engine

Jian Zhan, Mingjiang Yang

The purpose of this study was to develop a new approach using a pulse YAG laser with rational power density and pulse width to texture desired discrete distribution morphology on…

Design and fast verification of pocket elliptical journal bearings

Fabrizio Stefani

– The purpose of this paper was to conceive a fast method to verify design and performance of elliptical pocket journal bearings.

A study of 2,5-dimercapto-1,3,4-thiadiazole derivatives as multifunctional additives in water-based hydraulic fluid

Junming Wang, Jianhua Wang, Chunsheng Li, Gaiqing Zhao, Xiaobo Wang

The purpose of this paper is to present the tribological, anticorrosion and antirust properties of three 2,5-dimercapto-1,3,4-thiadiazole (DMTD) derivatives as water-soluble…

Static analysis of hydrostatic conical bearings using flow resistance network method

Shun-Te Hsiao, Yuan Kang, Shyh-Ming Jong, Hsing-Han Lee, De-Xing Peng, Yeon-Pun Chang

This paper aims to study the static characteristics of the hydrostatic conical journal bearings by utilizing single-action membrane restrictors to compensate the working pressures…

Dry sliding of composites with PBT matrix and micro glass beads on steel

Constantin Georgescu, Lorena Deleanu, Mihail Botan

This research aims to characterize the tribological behavior of polybutylene terephthalate (PBT) and PBT composites with micro glass beads (MGB) on steel, in dry conditions and on…

The problems of resistance to scuffing of heavily loaded lubricated friction joints with WC/C-coated parts

Remigiusz Michalczewski, Witold Piekoszewski, Waldemar Tuszynski, Marian Szczerek

The purpose of this paper was to explore the mechanisms of scuffing propagation of heavily loaded lubricated friction pair elements coated with low-friction WC/C coating for…

Influence of hydroxyl group functionalization and alkyl chain length on physicochemical and antiwear properties of hexafluorophosphate imidazolium ionic liquids

Yanqiu Xia, Zhihong Wang, Yanxin Song

The aim of the present paper is that three long-chain hydroxyethyl alkylimidazolium hexafluorophosphate ionic liquids (ILs) were synthesized and evaluated as lubricants for…

Optimizing wear resistance of ceramic (TiN, WC and TiC) clad layer by gas tungsten arc welding (GTAW)

De-Xing Peng

This paper aims to compare the wear performance of carbon steel specimens clad with TiC, WC and TiN powders by the gas tungsten arc welding (GTAW) method under optimum processing…

A three-dimensional fusion prediction model for fractal rough surfaces in the sliding contact process

Yan Lu, Zuomin Liu

The purpose of this manuscript is to analyze the fusion micro-zone generated by typical rough surfaces and investigate the factors of thermal effects on the tribological…

Effect of silver-organic precursor on friction and wear

Ningning Hu, Jiguang Han, Bo Hu

– The purpose of this paper is to study the effect of silver (Ag) precursor on friction and wear.

Friction and wear behavior of Cu–Cr–Zr alloy lubricated with acid rain

Zhengfeng Jia, Yuchang Su, Yanqiu Xia, Xin Shao, Yanxin Song, Junjie Ni

– The purpose of this paper is to investigate the tribological properties of a Cu–Cr–Zr alloy lubricated with acid rain.

Tribological behaviours of hybrid Zn–Al metal matrix composites produced by a rapid current sintering technique

Ramazan Karslioğlu, Hatem Akbulut, Mehmet Uysal, Guray Bağdatli

The objective of the present investigation is to prepare a Zn–Al matrix (73 wt. per cent Zn + 27 wt. per cent Al) reinforced with SiC and graphite (Gr) hybrid composites by a…

Effect of surface roughness and elastic deformation on the performance of a magnetic fluid-based squeeze film in rotating porous annular plates

Mukesh E. Shimpi, Gunamani Deheri

The purpose of this paper is to study and analyse the behaviour of a magnetic fluid-based squeeze film between rotating transversely rough porous annular plates, taking the…

The effect of applied load and sliding speed on the tribological properties of Nylon 6 and ultra-high-molecular-weight polyethylene

Huseyin Unal, Salih Hakan Yetgin, Fehim Findik

– The purpose of the study was to find the best performance polymer material to be used in railway car bogies.

A closed-form solution in piezo-viscous squeeze films between a long cylinder and an infinite plate

Jaw-Ren Lin, Rong-Fang Lu

The aim of this study is to extend the squeezing film problems between a long cylinder and an infinite plate, considering the piezo-viscous behavior (PVB) of the Barus…