SEPARATING LAYER FOR HOT FORMING

• Main Authors: BANIK JANKO, KOYER MARIA, LINKE BERND, RUTHENBERG MANUELA
• Format: Patent
• Language: Chinese; English
• Published: 05.02.2021
• Subjects: APPARATUS THEREFOR; 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; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; 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; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

The present invention relates to a flat steel product, which is suitable for being formed into a component by hot press forming and which has a steel substrate, wherein: an anti-corrosion coating based on aluminum and/or zinc is applied to at least one side of the steel substrate and there is a cover layer on the anti-corrosion coating; the cover layer has a thickness of less than 100 nm. The present invention also relates to a method for producing the flat steel product, comprising at least the following steps: (A) providing a steel substrate, which is provided with an anti-corrosion coatingbased on aluminum and/or zinc at least on one side, (B) applying a cover layer to at least one side of the steel substrate provided with an anti-corrosion coating, by applying a solution of the components contained in the cover layer, and (C) setting the thickness of the cover layer. The present invention also relates to a method for producing a hot-press-formed component from said flat steel product. 本发明涉及一种扁钢产品，该扁钢产品适用于