METHOD FOR MANUFACTURING STEAM TURBINE COMPONENT AND STEAM TURBINE COMPONENT

PROBLEM TO BE SOLVED: To provide a method for manufacturing a steam turbine component that can improve erosion resistance of a steam turbine component, and to provide a steam turbine component.SOLUTION: The method for manufacturing a steam turbine component that manufactures a steam turbine componen...

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1. Verfasser:	MOTOMIYA TAKUYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINE PLANTS IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing a steam turbine component that can improve erosion resistance of a steam turbine component, and to provide a steam turbine component.SOLUTION: The method for manufacturing a steam turbine component that manufactures a steam turbine component constituting a steam turbine includes: a thermal spray coating forming step of forming a thermal spray coating at a surface of the steam turbine component using a thermal spray material including CrCpowder and a metallic binder comprising Ni powder and Cr powder; a coating forming step where the steam turbine component is subjected to pack cementation of either carburization or chromizing process after the thermal spray coating forming step to form a coating at a surface of the thermal spray coating. 【課題】蒸気タービン部品の耐エロージョン性を向上させることのできる蒸気タービン部品の製造方法及び蒸気タービン部品を提供する。【解決手段】蒸気タービンを構成する蒸気タービン部品を製造する蒸気タービン部品の製造方法であって、Ｃｒ３Ｃ２粉末と、Ｎｉ粉末とＣｒ粉末からなる金属バインダとを含む溶射材料を用いて前記蒸気タービン部品の表面に溶射皮膜を形成する溶射皮膜形成工程と、溶射皮膜形成工程の後、前記蒸気タービン部品に、浸炭又はクロマイジング処理のいずれかの拡散浸透処理を行い、前記溶射皮膜の表面に皮膜を形成する皮膜形成工程とを具備する。【選択図】図１