PRODUCTION METHOD OF A COATING LAYER FOR A PIECE OF TURBOMACHINERY COMPONENT, THE COMPONENT ITSELF AND THE CORRESPONDING PIECE OF MACHINERY

• Main Authors: GIOVANNETTI IACOPO, GIANNOZZI MASSIMO, PAOLETTI RICCARDO, AVANZINI ANDREA, GIORNI EUGENIO
• Format: Patent
• Language: English; Korean
• Published: 21.01.2011
• Subjects: 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; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; 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; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; WEAPONS

PURPOSE: A manufacturing method of a coating layer for a turbomachinery element and correspondence machinery are provided to coat the mechanical elements of cemented carbide by using protective coating agent. CONSTITUTION: A manufacturing method of a coating layer for a turbomachinery element comprises next steps. A impeller(3) made of cemented carbide is manufactured. An impeller is coated with a nickel coated layer. Nickel-plating contains sodium hypophosphite within aqueous solution. The cemented carbide is aluminum, titanium, magnesium or arbitrary hard metal.