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Superslick and Superhard Coatings

Innovative coatings that increase engine efficiency and component reliability by reducing friction

Frictional losses in an engine waste fuel — as much as 10 to 20 percent of the total fuel energy, depending on factors such as engine size, type, driving conditions and weather. Harmful exhaust emissions are typically higher in vehicles that use more fuel. Improving vehicle fuel economy cuts our nation’s petroleum use and emissions of carbon-dioxide, a win-win situation.

Argonne researchers developed a novel superhard and superslick coating (SSC) that increases engine efficiency and component reliability. By reducing friction, this SSC improves vehicle fuel economy and reduces emissions. In laboratory tests, Argonne’s SSC reduced friction by 80 percent compared to uncoated steel.

By virtually eliminating component wear, Argonne’s SSC enables engine designers to innovate through the use of lighter-weight materials and novel approaches. This technology won an R&100 Award in 2009 and has been licensed to a company that produces coatings for automotive applications.


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