COPPER ALLOY CLEANING PROCESS

COPPER ALLOY CLEANING PROCESS

A process for removing surface oxides from copper alloys. For example, those alloys which form, on annealing, A12O3 and related oxides are uniquely cleaned by a process which consists of a duplex treatment requiring a first immersion in a hot alkaline solution followed by a second immersion in a hot...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MC LAIN C,GB, SAUNDERS S,US, FORD J,US, CAULE E,US
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL SURFACE TREATMENT
CHEMISTRY
CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
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Beschreibung
Zusammenfassung:A process for removing surface oxides from copper alloys. For example, those alloys which form, on annealing, A12O3 and related oxides are uniquely cleaned by a process which consists of a duplex treatment requiring a first immersion in a hot alkaline solution followed by a second immersion in a hot mineral acid solution.