MAGNESIUM ALLOY MOLDED BODY AND SURFACE TREATMENT METHOD THEREFOR

PROBLEM TO BE SOLVED: To realize an Mg alloy molded body which is molded into a prescribed shape by a thixomolding process and has excellent corrosion resistance. SOLUTION: Before surface treatment, the Mg alloy molded part is subjected to heating treatment under the conditions of 100 to 450 deg.C×3...

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Hauptverfasser:	MAEJIMA SHIGETO, OSAKI MINORU, MURAKAMI OSAMU, YAMADA NAOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To realize an Mg alloy molded body which is molded into a prescribed shape by a thixomolding process and has excellent corrosion resistance. SOLUTION: Before surface treatment, the Mg alloy molded part is subjected to heating treatment under the conditions of 100 to 450 deg.C×30 min to 24 hr in an oxidizing atmosphere where the concentration of oxygen is 5 to 99%.