ALUMINIUM-WERKSTÜCK

ALUMINIUM-WERKSTÜCK

An aluminum workpiece, e.g. sheet for containerstock, having an anodic oxide film whose thickness varies from location to location on the surface, whereby interference contrast effects are visible on the surface. Aluminum foil having on a surface thereof an unsealed anodic oxide film 5-1000 nm thick...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DAVIES, NIGEL, CLEATON, JONES, RODNEY, CHARLES, BALL, JONATHAN, BARLOW, ERIC
Format: Patent
Sprache:ger
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:An aluminum workpiece, e.g. sheet for containerstock, having an anodic oxide film whose thickness varies from location to location on the surface, whereby interference contrast effects are visible on the surface. Aluminum foil having on a surface thereof an unsealed anodic oxide film 5-1000 nm thick which provides a clean surface with fretting resistance. A method of anodizing thin aluminum foil is also described.