PROCEDIMIENTO MEJORADO PARA ELECTRORRECUBRIR UN ARTICULO CON UNA CAPA DE CROMO TRIVALENTE,QUE EXCEDE DE 5 MICRAS DE ESPESOR

PROCEDIMIENTO MEJORADO PARA ELECTRORRECUBRIR UN ARTICULO CON UNA CAPA DE CROMO TRIVALENTE,QUE EXCEDE DE 5 MICRAS DE ESPESOR

A process for plating thick chromium coatings for engineering applications comprises depositing a thin initial layer from a low concentration chromium III/thiocyanate bath and depositing the bulk of the remaining thickness from a relatively higher concentration chromium III/thiocyanate bath. Deposit...

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Bibliographische Detailangaben
1. Verfasser: JAMES MICHAEL LINFORD VIGAR
Format: Patent
Sprache:spa
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:A process for plating thick chromium coatings for engineering applications comprises depositing a thin initial layer from a low concentration chromium III/thiocyanate bath and depositing the bulk of the remaining thickness from a relatively higher concentration chromium III/thiocyanate bath. Deposits produced by this two-stage process are more cohesive and smoother than those obtainable by plating the entire thickness from the high concentration bath alone.