COATING TECHNOLOGY OF Ni ALUMINIDE INTERNALLY CONTAINING Y LAYER BY MOLTEN SALT ELECTRODEPOSITION METHOD

PROBLEM TO BE SOLVED: To provide a method for coating Ni aluminide capable of further enhancing peeling resistance of an AlOoxide coating under thermocycle conditions.SOLUTION: A method for coating Ni aluminide coating of a metal material includes: a step of preparing a metal substrate; an Y electro...

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Bibliographische Detailangaben
Hauptverfasser:	HARA MOTOI, FUKUMOTO TSUNEHISA, SATO NAKA
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS APPARATUS THEREFOR 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 COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS 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 PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS 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 coating Ni aluminide capable of further enhancing peeling resistance of an AlOoxide coating under thermocycle conditions.SOLUTION: A method for coating Ni aluminide coating of a metal material includes: a step of preparing a metal substrate; an Y electrodeposition step of electrodepositing yttrium on the metal substrate surface by molten salt electrodeposition; a Ni electrodeposition step of electrodepositing nickel on a surface on which the yttrium is electrodeposited; and an Al electrodeposition step of electrodepositing aluminum on the surface on which the nickel is electrodeposited by molten salt electrodeposition in this order, wherein the depth from the coating surface to the yttrium-containing layer after the Al electrodeposition step is at least 15 μm.