ROTARY MACHINE WITH ANTICORROSIVE COATING APPLIED THEREON

PROBLEM TO BE SOLVED: To provide a rotary machine with an anticorrosive coating applied thereon, in which a plated layer constituting the anticorrosive coating can be uniformly deposited with suppressed pin holes and is prevented from being peeled thereby providing enhanced durability to the anticor...

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Bibliographische Detailangaben
Hauptverfasser:	YASUI TOYOAKI, KONNO YUYA, TAZAKI AKINORI, HANANAKA KATSUYASU
Format:	Patent
Sprache:	eng
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 NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS 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 rotary machine with an anticorrosive coating applied thereon, in which a plated layer constituting the anticorrosive coating can be uniformly deposited with suppressed pin holes and is prevented from being peeled thereby providing enhanced durability to the anticorrosive coating, and enhanced corrosion resistance, reliability and efficiency to the rotary machine. SOLUTION: The rotary machine with the anticorrosive coating applied thereon in which the anticorrosive coating is applied on a part through which gas flows and with which the gas directly contacts, is characterized in that the anticorrosive coating has a first Ni-P plated layer deposited in an electroless plating on a surface of a base material of the above part, and a second Ni-P plated layer deposited in an electroless plating on the first Ni-P plated layer, and in that opening parts of the pin holes on the surface of the first Ni-P plated layer are filled with fluororesin or polyimide. COPYRIGHT: (C)2007,JPO&INPIT