STEAM TURBINE INNER CASING COMPONENT AND REPAIR METHOD THEREFOR

The invention relates to an inner casing component (10) configured to form part of a steam flow path (22) of a last stage (20) of an axial flow steam turbine, the steam turbine inner casing component (10) having a base (12) made of nodular cast iron and a cladding (14), on the base (12), in a region...

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Bibliographische Detailangaben
1. Verfasser:	Weidemann, Kornelia
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention relates to an inner casing component (10) configured to form part of a steam flow path (22) of a last stage (20) of an axial flow steam turbine, the steam turbine inner casing component (10) having a base (12) made of nodular cast iron and a cladding (14), on the base (12), in a region exposed to the steam flow path (22), consisting of manganese austenitic steel.