PRODUCTION OF SURFACE-TREATED AL OR AL ALLOY PLATE EXCELLENT IN PRESS MOLDABILITY

PURPOSE:To improve sliding property and to give excellent press formability by dissolving the surface of an alumite coating film formed on an Al or Al alloy plate and coating the surface layer with an aggregated body of a specific fibrous structure. CONSTITUTION:The surface of the alumite coating fi...

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA TSUGUMOTO, UEDA TOSHIKI, TAKEE NAGISA
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:	PURPOSE:To improve sliding property and to give excellent press formability by dissolving the surface of an alumite coating film formed on an Al or Al alloy plate and coating the surface layer with an aggregated body of a specific fibrous structure. CONSTITUTION:The surface of the alumite coating film formed on the Al or Al alloy is partially dissolved by dipping the Al or Al alloy plate in an acidic aq. solution and the surface of the alumite coating film is coated with an aggregated body of the fibrous structure (=50% outermost surface. The under layer of the alumite coating film is preferably