ANODIZING SURFACE TREATMENTS METHOD OF MAGNESIUM OR MAGNESIUM ALLOY

PURPOSE: An anodizing method of magnesium or magnesium alloy is provided to minimize the failure of a product since a pre process is simplified and a surface, on which an anodizing film is formed, is maintained through a pre process. CONSTITUTION: An anodizing method of magnesium or magnesium alloy...

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Bibliographische Detailangaben
Hauptverfasser:	SONG, TAE SEUNG, KIM, HONG GYEUN, HAN, SEONG HO, SEO, KYU HWAN, LEE, JAE EUN
Format:	Patent
Sprache:	eng ; kor
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 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:	PURPOSE: An anodizing method of magnesium or magnesium alloy is provided to minimize the failure of a product since a pre process is simplified and a surface, on which an anodizing film is formed, is maintained through a pre process. CONSTITUTION: An anodizing method of magnesium or magnesium alloy comprises next steps. The foreign material and oxidation layer of the surface of magnesium or magnesium alloy is removed using strong-alkali aqueous solution(S10). The pre-processed magnesium or magnesium alloy is dipped in alkali electrolyte, direct current with current density of below 3A/dm 2 is applied to it and a coating layer of a magnesium oxide is formed(S20). The magnesium or magnesium alloy bearing the coating layer is cleaned with distilled water and is dried by hot air(S30).