Surface treatment method for magnesium alloy object and structure thereof

The present invention provides a surface treatment method for magnesium alloy object, the method comprising: providing a magnesium alloy object; preprocessing the magnesium alloy object; performing micro-arc oxidation (MAO) treatment on the magnesium alloy object to form a micro-arc oxidation layer;...

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Bibliographische Detailangaben
Hauptverfasser:	Wang, Hsiang-Jui, Yang, Shun-Jie, Hsiao, Cheng-Ping
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR 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 ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The present invention provides a surface treatment method for magnesium alloy object, the method comprising: providing a magnesium alloy object; preprocessing the magnesium alloy object; performing micro-arc oxidation (MAO) treatment on the magnesium alloy object to form a micro-arc oxidation layer; Sputtering at least one metal layer or at least one non-metal layer on a surface of the micro-arc oxidation layer, the metal layer or non-metal layer which is sputtered on the micro-arc oxidation layer has different angles by using surface roughness of the micro-arc oxidation layer when a light source is projected on the metal layer or non-metal layer; and Sputtering a paint layer on the metal layer or non-metal layer to make the surface metallic lustrous and corrosion-resistant. The present invention further provides a surface structure of a magnesium alloy object.