Links between energy dissipation and wear mechanisms in solid epoxy/epoxy sliding contact
Résumé
This paper covers wear and energy dissipation of solid epoxy induced by 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 infraͲred spectroscopy measurements. To conclude this study, all observed phenomena are classified into two wear scenarios depending on sliding velocity.
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