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This paper studies experimentally the effects of CO 2 laser-treatment on the wear behaviour of plasma-sprayed Al 2 O 3 coatings, in linear contact sliding (dry, abrasive and lubricated) against SAE 4620 steel. Tests were carried out using a block-on-ring friction and wear tester, under different loads at different speeds. The wear mechanism and the changes in adherence, porosity...
Wear behaviours of plasma-sprayed Al 2 O 3 coating in conformal contact sliding under dry and lubricated conditions against steel AISI D2 have been investigated under different loads at various speeds. A tangential impact wear model is proposed to explain the wear rise with speed and SEM analysis is carried out to identify the wear mechanisms. The results indicate that the wear behaviour...
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