METHOD FOR MANUFACTURING A PART COMPRISING A METAL SUBSTRATE COVERED WITH A PROTECTIVE LAYER AND A PART MANUFACTURED ACCORDING TO THIS METHOD

A method for manufacturing a part includes a metal substrate at least partially covered with a protective layer, includes preparing a surface of the substrate to be covered, forming by spraying, according to an HVOF spraying method, a coating layer on the prepared surface, this coating layer being f...

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Bibliographische Detailangaben
Hauptverfasser:	MONERIE-MOULIN, Francis, ARNOUX, Mathilde
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A method for manufacturing a part includes a metal substrate at least partially covered with a protective layer, includes preparing a surface of the substrate to be covered, forming by spraying, according to an HVOF spraying method, a coating layer on the prepared surface, this coating layer being formed by spraying a powder mixture containing submicronic metal carbide grains, impregnating the coating layer with an organic impregnant together forming an impregnated layer, finishing by polishing at least one surface of the impregnated layer in order to form a protective layer having a polished surface having a roughness Ra of less than 0.2 μm or of less than 0.1 μm depending on the applications.