The GEnx CMC demonstrator engine also validated non-CMC parts for the GE9X including the new 3D additive manufactured lightweight low-pressure turbine titanium aluminide (TiAl) blades produced at Avio Aero and the next-generation HPT stage 1 blades with advance cooling technology. The next-generation HPT blades utilize a proprietary process invented at GRC and industrialized at GE Aviation’s Cores & Castings facility in Dayton, OH. This novel process employs the most efficient cooling circuits ever produced, which result in significant fuel efficiency improvement over historical designs.
CMC testing for the GE9X will continue. The GEnx demonstrator engine will be rebuilt and run with the same combustor liners, HPT stage 1 shrouds and HPT stage 2 nozzles, LPT TiAl blades and the next-gen HPT blades along with the addition of HPT stage 1 nozzles. A GE9X core with CMC components in the combustor and HPT will begin testing next month.
IMHO, the current Avio machines are being utilized for test blades and replacement blades but will be used to build production blades in the very near future;)
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