SUBSTRATE WITH A DOUBLE LAYERED COATING

The invention relates to a steel substrate provided at least at one side with a Zn-Mg coating layer and an intermediate layer between the substrate and the Zn-Mg coating layer, wherein the weight of the Mg in the coating layer is maximally 2.6 g/m2 and wherein the intermediate layer has a maximum th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAALMAN, THEODORUS FRANCISCUS JOZEF, GOODENOUGH, MARK ROBERT, ZOESTBERGEN, EDZO, LANGKRUIS, JÖRGEN VAN DE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention relates to a steel substrate provided at least at one side with a Zn-Mg coating layer and an intermediate layer between the substrate and the Zn-Mg coating layer, wherein the weight of the Mg in the coating layer is maximally 2.6 g/m2 and wherein the intermediate layer has a maximum thickness of 5.0 mum. The Mg-content of the Zn-Mg coating layer is chosen in dependency of the thickness of the intermediate layer, resulting in good adhesion properties of the coating.