>>800
サフランはGEと手を組んで耐熱金属とCMCの研究開発をやってる
https://www.safran-group.com/pressroom/ge-aviation-and-safran-launch-advanced-technology-demonstration-program-sustainable-engines-extend-2021-06-14-0

The program is being led by a joint GE/Safran engineering team that has laid out a comprehensive technology roadmap including composite fan blades, heat resistant metal alloys, ceramic matrix composites (CMCs), hybrid electric capability and additive manufacturing.