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A New Highly Wear-resistant Nanostructured Bainitic Steel for Wind Turbine Gearbox Applications

Invention Reference Number

202405685

A new nanostructured bainitic steel with accelerated kinetics for bainite formation at 200 C was designed using a coupled CALPHAD, machine learning, and data mining approach. The designed steel has a 7x faster kinetics for bainite start and a 2x faster kinetics for complete transformation. The steel has a nano-scale ferrite and austenite (approx. 50 nm) dual-phase structure, with wear properties under dry sliding superior to the current state of the art AISI 52100/100Cr6 steel.

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To learn more about this technology, email partnerships@ornl.gov or call 865-574-1051.