METHOD OF THERMALLY TREATING BLACK PLATE COATED WITH A CONVERSION COATING

The present invention relates to a method of thermally treating black plate which is coated with a conversion coating, wherein the conversion-coated black plate is heated during a thermal treatment time (t) from 0.1 seconds to 30 seconds to a temperature in the range of 240°C to 320°C. The heat trea...

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Bibliographische Detailangaben
Hauptverfasser:	MARMANN, ANDREA, KASDORF, TATJANA, MALEJCZYK, MONIKA, LOMMEL, TANJA, RINK, HANS-PETER, SCHLEICH, MARTIN, SAUER, REINER
Format:	Patent
Sprache:	eng ; fre
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 present invention relates to a method of thermally treating black plate which is coated with a conversion coating, wherein the conversion-coated black plate is heated during a thermal treatment time (t) from 0.1 seconds to 30 seconds to a temperature in the range of 240°C to 320°C. The heat treatment makes it possible to improve the adhesion of the conversion coating to the black plate surface. In one application of the method, the heat treatment is carried out in a process for the production of corrosion-resistant black plate, wherein prior to, during or after the heat treatment, an organic coating in the form of paint or a polymer coating is applied to the conversion coating of the black plate.