Abstract
The paper describes an experimental investigation on the influence of the surface roughness of diamond-like hard carbon (DLC) coatings on the friction and wear in sliding contact against steel under conditions of starving lubrication. Experimental studies employed a reciprocating ball-on-fiat tribometer in two different modes of operation. The study showed a microlubrication effect in terms of lubrication assistance achieved by microscopic cavities in the topography of a DLC coating and good sliding behaviour even in the case of starving oil lubrication. Post-process polishing of the coated surfaces was adopted for eliminating unnecessary friction losses due to asperity interactions and micro-abrasive wear.
Original language | English |
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Pages (from-to) | 97-112 |
Number of pages | 16 |
Journal | TriboTest Journal |
Volume | 14 |
Issue number | 2 |
DOIs | |
Publication status | Published - Apr 2008 |
MoE publication type | A1 Journal article-refereed |
Keywords
- DLC
- Friction
- Micro-lubrication
- Wear