Modeling contact oxygenation and adhesive wear extension in axisymmetric flat circular fretting interfaces

被引：6

作者：

Baydoun, Soha ^{[1
]}

Arnaud, Pierre ^{[2
]}

Fouvry, Siegfried ^{[1
]}

机构：

[1] Ecole Cent Lyon, LTDS Lab, 36 Av Guy de Collongue, F-69130 Ecully, France

[2] MINES ParisTech, Ctr Mat, 63-65 Rue Henri Auguste Desbrueres, F-91003 Evry, France

来源：

WEAR | 2021年 / 477卷

关键词：

Abrasive-adhesive fretting wear; Axisymmetric-circular flat contact; Contact oxygenation concept (COC); Advection-dispersion-reaction model (ADR); STEEL CONTACT; FREQUENCY; FRICTION; TEMPERATURE; PRESSURE; BEHAVIOR; ALLOY; POWER;

D O I：

10.1016/j.wear.2021.203822

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, adhesive wear extension in axisymmetric fretting contacts is simulated by applying the Contact Oxygenation Concept (COC) which illustrates the influence of fretting loadings on oxygen transport within the interface. Di-oxygen flow is modeled using an Advection-Dispersion-Reaction (ADR) approach which was formerly proposed assuming third body as a porous medium crossed by atmospheric gases. It was shown that ADR model is not only predictive in square contacts but also in circular flat interfaces where it is capable of simulating the partition of adhesion and abrasion for a broad range of contact pressures and sliding frequencies. Moreover, a simplified analytical solution is proposed for ADR equation which is proven to be highly correlated with the numerical and experimental results.

引用

页数：13

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