Fretting wear rate evolution of a flat-on-flat low alloyed steel contact: A weighted friction energy formulation

被引：42

作者：

Baydoun, Soha ^{[1
,2
]}

Fouvry, Siegfried ^{[1
]}

Descartes, Sylvie ^{[2
]}

Arnaud, Pierre ^{[1
]}

机构：

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

[2] INSA Lyon, LaMCoS Lab, 27 Bis Av Jean Capelle, F-69621 Villeurbanne, France

来源：

WEAR | 2019年 / 426卷

关键词：

Fretting wear; Flat-on-flat contact; Loading conditions; FEM simulations; NORMAL FORCE; TEMPERATURE; FREQUENCY; QUANTIFY; DAMAGE; POWER; SIZE; DRY;

D O I：

10.1016/j.wear.2018.12.022

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Fretting wear resulting from micro-displacement oscillatory movements is considered a serious impediment to many industrial applications like gears, turbo engines, etc. Large conformal contact configurations of industrial components are very complicated to reproduce at laboratory scale. As a result, simple non-conformal contact geometries including sphere-on-flat and cylinder-on-flat are usually adopted in research laboratories. Yet, few are the researches that examined fretting wear using flat-on-flat geometry due to its high sensitivity to alignment issues although this contact configuration allows the analysis of quasi-constant pressure condition. In the current study, fretting wear of flat-on-flat dry contact made of a steel alloy (35NCD16) is investigated experimentally by varying several parameters including test duration, contact pressure, sliding amplitude and frequency. A power law formulation is introduced providing reliable prediction of the wear rate. The analysis of test results confirms a high dependency of the wear kinetics on the loading condition regarding the transition from abrasive to adhesive wear.

引用

页码：676 / 693

页数：18

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