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New 'superlubricity' coating is a step toward friction-free machines

Using biowaste from cassava plants, scientists have created a coating that virtually eliminates friction in metal parts. The breakthrough has the potential to deliver better fuel economy, extend the lifespan of moving parts, and deliver enormous savings in myriad industries.

According to a research paper just released by scientists from various institutions in Africa and the United States, friction is responsible for consuming about one-fifth of all energy generated globally each year. In tests, the carbon bonded to steel and nickel substrates led to a virtually frictionless state that remained robust in normal conditions for about 150,000 cycles. "From biomedical to energy sectors to nearly every kind of manufacturing, this approach could help to extend the life of machine parts, reduce maintenance and replacement costs, and create a more sustainable industrial future."

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