SURFACE-TREATED AL OR AL ALLOY MATERIAL EXCELLENT IN CORROSION RESISTANCE AFTER COATING

PURPOSE:To obtain a surface-treated Al or Al alloy material exhibiting excellent corrosion resistance after coating even in a severe corrosive environment and useful as a panel material for an automobile, etc. CONSTITUTION:A Zn- or Fe-based plating layer satisfying the inequality, 0

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA TSUGUMOTO, UEDA TOSHIKI, TAKEE NAGISA
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:	PURPOSE:To obtain a surface-treated Al or Al alloy material exhibiting excellent corrosion resistance after coating even in a severe corrosive environment and useful as a panel material for an automobile, etc. CONSTITUTION:A Zn- or Fe-based plating layer satisfying the inequality, 0