6. Turbine parts: vanes and distributors
6.1 Choice of materials
Low-pressure turbine (LPT) parts operate at intermediate temperatures, 700 to 800 ˚C, and are made by casting, generally equiaxed, from nickel superalloys highly charged with hardening phase [NK15CATu (IN100), NW12KCAHf (MarM 200), NK15CADT (René 77), NK10CWATaTD (René 125)...] (table 2 ).
The most critical parts are the moving blades and nozzles of the first stages of the high-pressure turbine (HPT). These parts operate at very high temperatures, up to around...
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Turbine parts: vanes and distributors
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