Links between energy dissipation and wear mechanisms in solid epoxy/epoxy sliding contact

被引:11
作者
Smerdova, Olga [1 ]
Mazuyer, Denis [1 ]
Cayer-Barrioz, Juliette [1 ]
机构
[1] Ecole Cent Lyon, CNRS UMR 5513, Lab Tribol & Dynam Syst, F-69134 Ecully, France
关键词
Wear; Polymer; Sliding friction; Energy dissipation; FRETTING CONTACTS; MODEL; TEMPERATURE; POLYMERS; FRICTION; BEHAVIOR; HARDNESS; SURFACE;
D O I
10.1016/j.triboint.2014.04.009
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This paper covers wear and energy dissipation of solid epoxy induced by the alternative rubbing between two samples of identical thermosetting polymer. Varying normal load, sliding velocity and sliding distance, the authors were able to define and discuss wear and friction laws and associated energy dissipation. Moreover, traces of several wear mechanisms were distinguished on the worn surfaces and associated with applied conditions. Observed under higher velocity, polymer softening and local state transition were explained by surface temperature estimate and confirmed by infra-red spectroscopy measurements. To conclude this study, all observed phenomena are classified into two wear scenarios according to sliding velocity. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:148 / 159
页数:12
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