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The Fluid Systems Engineering and Management Blog

by Swagelok Northern California

Nearly Frictionless, Forever-Dry Lube

by Jeff Hopkins, on 7/21/18 12:00 PM

Meet the material with 10x lower friction than fluoropolymers

Researchers at the US Department of Energy's (DOE) Argonne National Laboratory have experimented with the usual recipe of graphite paste for commercially used dry lubricants. They combined nanodiamonds with two-dimensional (2D) molybdenum disulfide layers—and then broke them. The resulting onion-like material composed of spherical graphitic shells experiences friction 10 times lower than that of fluoropolymers.

Unlike thin-film coatings, this super-lubricant constantly readjusts, so it lasts longer. It could therefore have hundreds of industrial applications—wherever two pieces of metal rub together in dry conditions. 

Check out a Materials Today article about this breakthrough→

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