Steel sheet plated with aluminum-containing zinc and process for producing same

Steel sheet plated with aluminum-containing zinc and process for producing same

This steel sheet plated with aluminum-containing zinc comprises a plated steel sheet and a coating film with which the plated steel sheet is coated. The coating film comprises: a basic compound of a transition metal which is neither cobalt nor chromium; and either cobalt metal or both cobalt metal a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OURA ICHIRO, SHIRAGAKI NOBUKI, SHIMODA NOBUYUKI, KIKUCHI HITOSHI, KANAI HIROSHI, SUGITANI TOMOKAZU, YONETANI SATORU, OYOKAWA HIROYUKI
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
DIFFUSION TREATMENT OF METALLIC MATERIAL
FERROUS OR NON-FERROUS ALLOYS
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:This steel sheet plated with aluminum-containing zinc comprises a plated steel sheet and a coating film with which the plated steel sheet is coated. The coating film comprises: a basic compound of a transition metal which is neither cobalt nor chromium; and either cobalt metal or both cobalt metal and a cobalt compound. The amount of the coating film deposited on each surface is 0.01-0.8 g/m2. The deposition amount in mass of the transition metals excluding cobalt in the coating film per surface of the plated steel sheet is 4-400 mg/m2. The deposition amount in mass of the cobalt in the coating film per surface of the plated steel sheet is 0.1-20 mg/m2.