Research on Contact Behavior of Single Asperity on Work Roll Surface in Mixed Lubrication

Xia, Chunyu; Li, Hongbo; Zhang, Jie

doi:10.1007/s11668-017-0382-4

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…Jeng et al [6] examined the effects of the roll speed, reduction rate and lubricant viscosity on the contact ratio, and roll pressure of cold-rolled aluminum sheets; the numerical analysis of the contact ratio is conducted under nominal operating conditions. Xia et al [7] investigated the micro-scale behavior of a single contact point on the surface of a working roll in mixed lubrication conditions using three-dimensional FEM. However, the model did not predict the actual working conditions of the rolling interface very well.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Rolling Interface Contact Characteristics in Mixed Lubrication Based on Gaussian Distribution Theory

et al. 2023

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To reveal the influence of surface morphology characteristics in mixed lubrication on the contact characteristics of the rolling interface, a random three-dimensional rough surface model based on Gaussian distribution theory was established. The model utilizes the finite element method (FEM) to simulate the regular contact and tangential sliding behavior of micro-asperities at the rolling interface in mixed lubrication conditions. The connection bearing capacity of models with varied roughness in mixed lubrication was studied. Furthermore, the effect of various sliding and normal indentation amounts on the normal and friction stress was investigated. The simulation result reveals that the roughness of the surface influences the distribution of the lubricating oil film. The lubricating oil layer between the interfaces with a lower roughness has a higher bearing capacity due to its more uniform distribution of peaks and valleys. An increase in the normal indentation amount raises the friction stress and normal stress. In contrast, an increase in sliding lowers the normal pressure, substantially impacting the fluctuation of the friction coefficient dramatically. Finally, the random three-dimensional rough surface model is verified by comparing it with the experimental data in the related literature.

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Section: Introductionmentioning

confidence: 99%

Analysis of the Rolling Interface Contact Characteristics in Mixed Lubrication Based on Gaussian Distribution Theory

et al. 2023

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Frictional characteristics of the vane–chute pair in a rolling piston compressor based on the second-order motion

Geng

Ainong

Wang

et al. 2019

Tribology International

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Failures of Rolling-Element Bearings and Their Prevention

Dupont

2021

Analysis and Prevention of Component and Equipment Failures

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This article is dedicated to the fields of mechanical engineering and machine design. It also intends to give a nonexhaustive view of the preventive side of the failure analysis of rolling-element bearings (REBs) and of some of the developments in terms of materials and surface engineering. The article presents the nomenclature, numbering systems, and worldwide market of REBs as well as provides description of REBs as high-tech machine components. It discusses heat treatments, performance, and properties of bearing materials. The processes involved in the examination of failed bearings are also explained. Finally, the article discusses in detail the characteristics and prevention of the various types of failures of REBs: wear, fretting, corrosion, plastic flow, rolling-contact fatigue, and damage. The article includes an Appendix, which lists REB-related abbreviations, association websites, and ISO standards.

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Research on Contact Behavior of Single Asperity on Work Roll Surface in Mixed Lubrication

Cited by 3 publications

References 19 publications

Analysis of the Rolling Interface Contact Characteristics in Mixed Lubrication Based on Gaussian Distribution Theory

Analysis of the Rolling Interface Contact Characteristics in Mixed Lubrication Based on Gaussian Distribution Theory

Frictional characteristics of the vane–chute pair in a rolling piston compressor based on the second-order motion

Failures of Rolling-Element Bearings and Their Prevention

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