Gm Global Technolgoy Operations, Inc.

Benjamin Everest Slattery

Mark T Riefe

Kevin P Callaghan

Systems and methods of making an enhanced vehicular brake rotor having improved wear and corrosion resistance are provided. The enhanced vehicular brake rotor comprises a brake rotor comprising a base comprised of iron (Fe). The base comprises an outer surface having open pores formed thereon. The rotor has a steam-treated layer formed on the outer surface and in the open pores. The steam-treated layer is comprised of iron oxide (FeO) and has a thickness of between 10 and 50 microns for enhanced wear and corrosion resistance to define the enhanced vehicular rotor.

System and method of making an enhanced brake rotor with improved corrosion resistance

Systems and methods of making an enhanced brake rotor having enhanced wear resistance are provided. The systems and methods provide a vehicular rotor comprising a base comprising iron (Fe). The base comprises an outer surface having a laser-hardened portion thereon. The laser-hardened portion comprises martensite and having a thickness of between 10 and 100 microns of the outer surface to define the enhanced brake rotor with enhanced wear resistance.

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Tecumseh, Canada

Benjamin Everest Slattery