A simplified approach to the prediction of mixed and boundary friction

被引：10

作者：

Taylor, R., I ^{[1
]}

Sherrington, I ^{[1
]}

机构：

[1] Univ Cent Lancashire, Jost Inst Tribotechnol, Preston PR1 2HE, Lancs, England

来源：

TRIBOLOGY INTERNATIONAL | 2022年 / 175卷

关键词：

Mixed Lubrication; Boundary Lubrication; Friction; CONTACT; LUBRICATION; MODEL; SURFACES;

D O I：

10.1016/j.triboint.2022.107836

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Improving machine energy efficiency has led to the use of lower viscosity lubricants, and a greater chance of mixed/boundary contact occurring. A new equation, derived from experimental data, is proposed that enables simple calculation of the proportion of mixed/boundary friction in a contact, as a function of the lambda ratio. It is also shown that some commonly used rough surface contact models (such as the Greenwood Tripp model) significantly underestimate mixed/boundary friction in the range 1 < lambda < 3. The new model has the form of an S-curve, which suggests a new approach to rough surface contact modelling is to treat it as a growth/decay process, and the consequences of this approach are discussed

引用

页数：11

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