GAS TURBINE BLADE AND ITS PRODUCTION, AND GAS TURBINE

PURPOSE:To efficiently produce a large-sized single crystal moving blade by forming the gas turbine blade of an Ni-based, alloy which consists essentially of Ni and is precipitated with a gamma' phase in a gamma phase and forming the gamma phase of a single crystal structure. CONSTITUTION:The g...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIDA TADAMI, KANO KIMIO, SAITO TOSHIAKI, IIJIMA KATSUKI, YOSHINARI AKIRA, HASHIDA RYOZO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ALLOYS APPARATUS THEREFOR BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY CRYSTAL GROWTH ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH STEAM ENGINES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To efficiently produce a large-sized single crystal moving blade by forming the gas turbine blade of an Ni-based, alloy which consists essentially of Ni and is precipitated with a gamma' phase in a gamma phase and forming the gamma phase of a single crystal structure. CONSTITUTION:The gas turbine blade is provided with a dovetail part 10 which is the fixing part to a disk, a shank part 9 having projections 11 which are continuous with this part and are integrally projectingly provided on the side surfaces thereof, and a vane part 8 continuous therewith. The gas turbine blade consists of the Ni-based alloy which consists essentially of the Ni and is substantially precipitated with the gamma' phase in the gamma phase. Contribution is made to the prolonging of the life of the moving blade and the improvement in the thermal efficiency of the gas turbine by the increase in combustion gas temp. in this way.