A scanning electron microscope image of the new EcoTough coating.
Federal-Mogul Corporation has developed a coated diesel piston, known as the EcoTough Coated Diesel piston, that reduces frictional losses in both light- and heavy-duty engine applications.
- Improves fuel economy, CO2 emissions, noise and refinement
- Reduces friction by up to 13%, compared with conventional graphite coatings
- Features high wear resistance
- Wear resistance can be used in design process to increase piston skirt clearance, further reducing friction and fuel consumption without compromising NVH and engine durability
- Meets requirements of highly loaded diesel engines
- Uses solid lubricants, including graphite and a carbon fiber reinforced polymer base to provide lower friction, higher scuff resistance and improved wear resistance
- Delivers the specified thickness necessary to ensure increased skirt clearance allows no lateral movement of the piston, which would otherwise compromise NVH
- Compatible with existing and advanced cylinder bore finishes and can be introduced in volume engine production as a running change
- Meets the most stringent environmental standards and contains no toxic solvents
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