New Mahle piston ring coating for high-output GTDI engines; chromium nitride using high-velocity oxygen fuel process
Green Car Congress
SEPTEMBER 16, 2015
Under development since 2011 at Mahle’s thermal spray development labs in Michigan, the new process initially was designed for high-output GTDI engines currently in production by two US domestic automakers. cold gas methods (CGS). cold gas methods (CGS). The addition of molybdenum-chrome provides enhancements to pure CrN.
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