SURFACE MODIFICATION OF A ZINC-BASED METAL COATING IN A HOT-DIP COATING PROCESS

The invention relates to a striplike or sheetlike steel substrate hot-dip-coated with a metallic coating based on zinc and having a modified surface, and to a method for producing a semifinished product with modified surface, comprising at least one method step of at least regionally modifying the s...

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Bibliographische Detailangaben
Hauptverfasser:	JUNGE, Fabian, CETINKAYA, Burak William
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 GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS 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 striplike or sheetlike steel substrate hot-dip-coated with a metallic coating based on zinc and having a modified surface, and to a method for producing a semifinished product with modified surface, comprising at least one method step of at least regionally modifying the surface of a coated, skin-pass-rolled, oiled and cleaned metallic steel substrate by means of atmospheric-pressure plasma treatment of said surface regions with oxygen, air, forming gas or a mixture of 2 or more of these gases as process gas. The invention further relates to the accordingly produced semifinished products and/or flat steel products, optionally formed semifinished products and/or flat steel products, and to their use.