Modelling adhesive wear extension in fretting interfaces: An advection-dispersion-reaction contact oxygenation approach

被引：31

作者：

Baydoun, Soha ^{[1
]}

Arnaud, Pierre ^{[2
]}

Fouvry, Siegfried ^{[1
]}

机构：

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

[2] Cent Supelec, MSSMAT Lab, 8-10 Rue Joliot Curie, F-91190 Gif Sur Yvette, France

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 151卷

关键词：

Fretting wear; Contact oxygenation concept; Abrasive adhesive wear; Advection-dispersion-reaction model (ADR); Tribo-oxidation; TRIBOLOGICALLY TRANSFORMED STRUCTURE; MILD-STEEL; FRICTION; ALLOY; TEMPERATURE; DIFFUSIVITY; MECHANISMS; FREQUENCY; PRESSURE; RHEOLOGY;

D O I：

10.1016/j.triboint.2020.106490

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper aims at modelling contact oxygenation concept which describes the effects of fretting loading conditions on di-oxygen flow within the interface and the associated partition between abrasive and adhesive wear domains in fretting wear scars. This is achieved by modelling oxygen transport within fretting interface using an advection-dispersion-reaction approach (ADR) by considering debris bed as a compact porous medium traversed by atmospheric gases. ADR model is calibrated using three fretting tests of flat-on-flat 34NiCrMo16 interface. Results show that ADR approach can predict the partition of abrasion and adhesion for wide range of sliding frequencies, normal forces and contact sizes. Besides, it can capture the transition of wear mechanisms from pure abrasive to mixed abrasive-adhesive wear at different loading conditions.

引用

页数：20

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