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 $γ'$ [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...

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Bibliography

References

(1) - MORGAN (E.J.) - Atmospher Control Criteria for Welding Titanium - . Conference Proceedings from Advanced in Welding Processes, Harrogate (1978).
(2) - SMITH (L.S.), GITTOS (M.F.) - A Review of Weld Metal Porosity and Hydrid Cracking...

Standardization

Aerospace series – Welded and brazed assemblies for aerospace construction – Weldability and solderability of materials – Part 10: General information. - NF L06-380-10 - 2-03
Aerospace series – Welded and brazed assemblies for aerospace construction – Weldability and solderability of materials – Part 20: homogeneous assemblies of aluminum and aluminum alloys. - NF L06-380-20 - 2-03
Aerospace series – Welded...