METHOD OF MANUFACTURING ROTOR TO BE USED FOR STEAM TURBINE

According to one embodiment, a method of manufacturing a steam turbine rotor (10) has a step of reducing the residual stress (2-2) of the target regions (20) of the rotor if compared with the other region.

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA, Masayuki, TANIGUCHI, Akihiro, KANEKO, Joji, YAN, Liang, WADA, Kazuhiro, ISHIBASHI, Natsuki, MURAKAMI, Itaru
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BLASTING CHEMISTRY ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	According to one embodiment, a method of manufacturing a steam turbine rotor (10) has a step of reducing the residual stress (2-2) of the target regions (20) of the rotor if compared with the other region.