PRODUCTION OF ZINC-CHROMIUM ALLOY ELECTROPLATED STEEL SHEET EXCELLENT IN CORROSION RESISTANCE

PURPOSE:To produce a zinc-chromium alloy electroplated steel sheet excellent in corrosion resistance stably for a long time. CONSTITUTION:A steel sheet is electroplated at >=50A/dm current density by using an acidic plating bath containing zinc ion, 3-valent chromium ion and 0.01-20g/l polyoxyalk...

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Bibliographic Details
Main Authors KANAMARU TATSUYA, SUZUKI SHINICHI
Format Patent
LanguageEnglish
Published 27.02.1996
Edition6
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Summary:PURPOSE:To produce a zinc-chromium alloy electroplated steel sheet excellent in corrosion resistance stably for a long time. CONSTITUTION:A steel sheet is electroplated at >=50A/dm current density by using an acidic plating bath containing zinc ion, 3-valent chromium ion and 0.01-20g/l polyoxyalkylene derivative composed of <=8C hydrocarbon group and an ethylene oxide group of <=15 addition molar number. The polyoxyalkylene derivative has preferably an anionic group and/or cationic group.
Bibliography:Application Number: JP19940206096