[go: up one dir, main page]

WO2020201133A1 - Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud - Google Patents

Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud Download PDF

Info

Publication number
WO2020201133A1
WO2020201133A1 PCT/EP2020/058805 EP2020058805W WO2020201133A1 WO 2020201133 A1 WO2020201133 A1 WO 2020201133A1 EP 2020058805 W EP2020058805 W EP 2020058805W WO 2020201133 A1 WO2020201133 A1 WO 2020201133A1
Authority
WO
WIPO (PCT)
Prior art keywords
iron
steel strip
layer
zinc
oxygen
Prior art date
Application number
PCT/EP2020/058805
Other languages
German (de)
English (en)
Inventor
Dr. Kai KÖHLER
Dr. Nils KÖPPER
Dr.-Ing. Friedrich LUTHER
Dr. Marc DEBEAUX
Original Assignee
Salzgitter Flachstahl Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Salzgitter Flachstahl Gmbh filed Critical Salzgitter Flachstahl Gmbh
Priority to EP20715830.4A priority Critical patent/EP3947754B1/fr
Priority to KR1020217034423A priority patent/KR102602054B1/ko
Priority to US17/600,245 priority patent/US20220220598A1/en
Publication of WO2020201133A1 publication Critical patent/WO2020201133A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/026—Deposition of sublayers, e.g. adhesion layers or pre-applied alloying elements or corrosion protection
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C23C28/025—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/028—Including graded layers in composition or in physical properties, e.g. density, porosity, grain size
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/20—Electroplating: Baths therefor from solutions of iron

Definitions

  • the invention relates to a method for producing a cold or hot rolled steel strip with a metallic coating, the steel strip being iron as the main component and, in addition to carbon, an Mn content of 4.1 to 8.0% by weight and optionally one or more of the alloying elements AI , Si, Cr, B, Ti, V, Nb and / or Mo, wherein the surface of the uncoated steel strip is cleaned, then an oxygen-containing, iron-based layer is applied to the cleaned surface, which contains more than 5 percent by mass of oxygen, then the Steel band with the
  • oxygen-containing, iron-based layer is annealed and to achieve a surface consisting essentially of metallic iron in the course of the
  • Annealing treatment is reduction treated in a reducing furnace atmosphere and then the so treated and annealed steel strip is hot-dip coated with the metallic coating.
  • the invention also relates to a steel strip with a metallic coating applied by hot-dip dipping and the use of such a steel strip.
  • Alloy coatings include aluminum-silicon (AS / AISi), zinc (Z), zinc-aluminum (ZA), zinc-iron (ZF / galvannealed), zinc-magnesium-aluminum (ZM / ZAM) and aluminum-zinc (AZ ) known. These anti-corrosion coatings are usually applied to the steel strip (hot or cold strip) in a continuous process in a molten bath.
  • Patent specification DE 10 2013 105 378 B3 discloses a method for producing a flat steel product which, in addition to iron and unavoidable impurities, contains up to 35 Mn, up to 10 Al, up to 10 Si and up to 5 Cr in% by weight. After warming up in a preheating furnace, in which the flat steel product is exposed to an oxidizing atmosphere, and a recrystallizing annealing in the annealing furnace, in which an annealing atmosphere that reduces FeO prevails, this becomes
  • Hot-dip coating of a flat steel product the flat steel product being produced from a stainless steel which, in addition to iron and unavoidable
  • the flat steel product is first heated under an oxidizing pre-oxidation atmosphere, kept under a reducing holding atmosphere and then passed through a molten bath.
  • the laid-open specifications US 2016 010 23 79 A1 and US 2013 030 49 82 A1 each disclose a method for producing a coated steel strip that contains in weight%: 0.5 to 2 Si, 1 to 3 Mn, 0.01 to 0, 8 Cr and 0.01 to 0.1 Al. After an oxidation treatment of the steel strip in an oxidative atmosphere, the steel strip is annealed in a reducing process and then hot-dip coated.
  • a method for producing a coated steel sheet with reduced surface defects in which a coating of zinc or a zinc alloy is applied to at least one surface of a steel strip.
  • a layer of Fe is provided immediately below the coating made of zinc or a zinc alloy, and a layer in which elements of the steel with an affinity for oxygen are concentrated are provided immediately below the layer of Fe.
  • the low carbon or very low carbon steel strip on which the Fe plating is applied contains at least one component selected from the group Si, Mn, P, Ti, Nb, Al, Ni, Cu, Mo, V, Cr and B in an amount of at least 0.1% by weight for Si, Ti, Ni, Cu, Mo, Cr and V and at least 0.5% by weight for Mn, at least 0.05% by weight for P, Al and Nb and at least 0.001% by weight for B.
  • the layer made of Fe instructs
  • the aim here is to create a layer at the interface between the oxygen-containing Fe layer and the steel strip during annealing before the hot-dip coating, in which elements with an affinity for oxygen contained in the steel are concentrated.
  • patent application US 2018/0 119 263 A1 discloses a method for producing a cold-rolled steel strip with an Mn content between 1 and 6% by weight and a C content of less than 0.3% by weight and with a metallic coating .
  • the steel strip is electroplated with a layer of pure iron, then the iron layer is oxidized to an iron oxide layer and then reduced at a temperature between 750 ° C and 900 ° C in an atmosphere with 1 to 20 volume% hydrogen.
  • a zinc coating is then applied by means of hot dip coating.
  • a cold-rolled or hot-rolled steel strip with up to 0.5% by weight of C and with up to 15% by weight of Mn and with a coating is also described in the laid-open specification US 2004/0 121 162 A1.
  • the coating has an iron plating and a metallic zinc coating.
  • the laid-open specification CN 109 477 191 A also discloses a further cold-rolled or hot-rolled coated steel strip with a coating.
  • the steel strip has 0.08 to 0.3% by weight of C, 3.1 to 8.0% by weight of Mn, 0.01 to 2.0% by weight of Si, 0.001 to 0.5% by weight of Al.
  • the coating consists of a layer based on elemental iron and a metallic coating applied to it by means of hot-dip coating.
  • the metallic coating is made of zinc, zinc-iron, zinc-aluminum or zinc-aluminum-magnesium.
  • EP 2 918 696 A1 there is another steel strip made of 0.05 to 0.50% by weight of C, 0.5 to 5.0% by weight of Mn, 0.2 to 3.0% by weight of Si and 0.001 to 1, 0% by weight Al described, which is hot-dip coated with a Zn-Fe alloy. At its interface with the Zn-Fe coating, the steel strip has a layer with at least 50% by volume ferrite and at least 90% unoxidized iron.
  • patent application WO 2015/001 367 A1 shows a steel strip with an Mn content between 3.5 and 10.0% by weight and a C content between 0.1 and 0.5% by weight, on which an underlayer consists of pure ferrite with a layer thickness between 10 and 50 ⁇ m, a further sub-layer of iron and oxides with a layer thickness between 1 and 8 ⁇ m and a top layer made of pure iron with a layer thickness of 50 to 300 nm.
  • an underlayer consists of pure ferrite with a layer thickness between 10 and 50 ⁇ m, a further sub-layer of iron and oxides with a layer thickness between 1 and 8 ⁇ m and a top layer made of pure iron with a layer thickness of 50 to 300 nm.
  • This oxide fringe made of oxides of the alloying elements represents a weak point in the system with regard to adhesion. That means, at the interface of the reduced iron oxide layer or
  • Oxygen-containing iron layer to the steel substrate can often be a
  • Liability failure z. B. can be observed during a forming process.
  • the object of the invention is therefore to provide a method for producing a cold-rolled or hot-rolled steel strip with a metallic coating which, in addition to carbon, iron as the main component, has an Mn content of 4.1 to 8.0% by weight and optionally other oxygen-affine Contains elements such as Al, Si, Cr, B, which, regardless of the current alloy composition of the steel strip, provide uniform and reproducible adhesion conditions for the coating on the steel strip surface.
  • the teaching of the invention comprises a method for producing a cold-rolled or hot-rolled steel strip with a metallic coating with improved adhesion, the steel strip being iron as the main component and, in addition to carbon, an Mn content of
  • the teaching of the invention comprises a steel strip, in addition to carbon, iron as the main component, an Mn content of 4.1 to 8.0% by weight and optionally one or more of the alloying elements Al, Si, Cr, B, Ti, V , Nb and / or Mo with a metallic material applied to the steel strip surface by means of hot dipping
  • Coating which is characterized in that in the transition area between the metallic coating and the steel strip surface a predominantly ferritic
  • Edge zone is formed with more than 60 volume% ferrite, which has a thickness of 0.15 to
  • the teaching of the invention also includes the use of a steel belt according to the invention for the production of parts for motor vehicles.
  • the essence of the invention consists in a combination of one on the
  • a pure iron layer is understood to be a layer with an average iron content of more than 96% by weight.
  • Iron content understood in% by weight of at least 50%, which contains oxygen of more than 5% by weight in the form of oxides and / or hydroxides.
  • the oxides and / or hydroxides can be present in the oxygen-containing, iron-based layer both in the form of crystalline, amorphous or as mixtures of crystalline, such as magnetite (Fe3O4), and amorphous compounds.
  • a homogeneous stoichiometric iron oxide layer e.g. B. a magnetite layer (Fe 3 0 4 ), as well as a metallic one
  • Iron layer containing oxidic and / or hydroxidic inclusions (dispersion layer), understood.
  • the distribution of the amorphous and / or crystalline compounds is therefore not restricted either.
  • the layer is thus distinguished by the fact that it contains oxygen-containing, reducible iron species.
  • the overall system weakens and can lead to liability failure.
  • the oxides of the alloying elements precipitate in a less locally concentrated form and there is no longer any failure of adhesion.
  • the pure iron layer can preferably be deposited electrolytically or by deposition from the gas phase (e.g. by means of PVD, CVD).
  • sulfatic or chloride electrolytes and combinations thereof are typically used, the pH of which is less than or equal to 5.5. At higher pH values, iron (II) species precipitate as hydroxides. Iron with a purity in% by weight of greater than 99.5 is preferably used as the anode material. Also can
  • Electrolysis cells with separate anode and cathode compartments are used, which enables the use of oxygen-generating or insoluble anodes becomes.
  • a conductive salt can optionally be added to the electrolyte. It is also possible to use other additives such as surfactants to improve wetting and / or defoamers.
  • the electrolytic deposition takes place at current densities that result in a homogeneous deposition thickness over the length of the strip, regardless of the respective strip speed. Furthermore, the current density depends on the length of the anode in the direction of travel of the strip. Typical values are between 1 and 150 A / dm 2 per strip side. Treatment lengths below 1 A / dm 2 are too long, which means that the process cannot be operated economically. At current densities above 150 A / dm 2 , homogeneous deposition is made significantly more difficult by burns or dendrite formation. The duration of the electrolytic deposition depends on the length of treatment, the current density, the current yield and the desired layer application and is typically between 1 s and 30 s per side. Exemplary aqueous electrolyte compositions and deposition conditions are shown in Table 1.
  • the pure iron layer is deposited at an electrolyte temperature of 60 ° C with a current density of 30 A / dm 2 using an iron anode with a purity in% by weight of greater than 99.5 in an aqueous sulfuric acid electrolyte of the following composition: 60 g / l iron (ll), 20 g / l sodium, pH 1.8.
  • the preferred deposition of the oxygen-containing, iron-based layer takes place electrolytically from an Fe (II) and / or Fe (III) -containing electrolyte.
  • Fe (II) and / or Fe (III) -containing electrolyte For this purpose, sulfatic or chloride electrolytes and combinations thereof are typically used, the pH of which is usually less than or equal to 5.5.
  • a basic electrolyte with a pH value> 10 is also possible with the use of a suitable complexing agent such as triethanolamine (TEA).
  • TAA triethanolamine
  • the electrolytic deposition takes place at current densities that result in a homogeneous deposition thickness over the length of the strip, regardless of the respective strip speed. Furthermore, the current density depends on the length of the anode in the direction of travel of the strip. Typical values are between 1 and 150 A / dm 2 per strip side. Treatment lengths below 1 A / dm 2 are too long, which means that the process cannot be operated economically. At current densities above 150 A / dm 2 , homogeneous deposition is made significantly more difficult by burns or dendrite formation.
  • Deposition time depends on the length of treatment, the current density, the
  • a complexing agent is used in addition to the aforementioned Fe (II) and Fe (III) ions in the acidic electrolyte
  • NTA nitrilotriacetic acid
  • Iron with a purity in% by weight of greater than 99.5 is preferably used as the anode material. Electrolysis cells with separate anode and cathode compartments can also be used, which enables the use of oxygen-producing or insoluble anodes. To reduce the
  • Cell resistors can optionally be added a conductive salt to the electrolyte. It is also possible to use other additives such as surfactants to improve wetting and / or defoamers.
  • the oxygen-containing ones are deposited
  • the surface of the steel strip is activated prior to deposition with the pure iron layer, preferably by cleaning in a usually alkaline, aqueous medium and subsequent optional pickling in an acidic, aqueous medium.
  • a sulfuric acid bath with an acid content of 20 to 70 g / l is preferably used for pickling
  • the subsequent coating with the oxygen-containing, iron-based layer on the previously deposited pure iron layer is preferably carried out wet-on-wet or after the steel strip surface has dried. After the oxygen-containing, iron-based layer has been deposited, the
  • Steel strip surface preferably dried in order to prevent undefined entry of water into the annealing furnace atmosphere. To avoid contamination on the steel belt surface and or carry-over between the various
  • a sink can optionally be used after each process step.
  • the layers can be deposited within one or in several successively arranged electrolysis cells, the design of which is preferably horizontal or vertical.
  • the pure iron layer is formed with an average thickness of 0.05 to 0.5 mhi and the oxygen-containing, iron-based layer with an average thickness of 0.1 to 0.6 mhi.
  • Hot-dip coating has been found when the pure iron layer has an average thickness of 0.1 to 0.4 mhi and the oxygen-containing, iron-based layer has an average thickness of 0.2 to 0.5 mhi.
  • the mean thickness of the oxygen-containing, iron-based layer is greater than the mean thickness of the pure iron layer.
  • the oxygen-containing, iron-based layer has an oxygen content of more than 5 to 40% by weight, advantageously more than 10 to 30% by weight. In a particularly advantageous embodiment of the invention, this layer has an oxygen content of more than 12 to 25% by weight. Research has shown that the more oxygen in the
  • Iron layer is incorporated, the more the adverse external oxidation of alloying elements on the surface can be suppressed, since this oxygen is used by the alloying elements for internal oxidation during annealing before the hot-dip coating.
  • the amount of oxygen built into the oxygen-containing, iron-based layer depends to a large extent on the deposition conditions. Due to technical and economic
  • the pure iron layer itself can be applied either electrolytically or by deposition from the gas phase, while the oxygen-containing, iron-based layer is advantageously deposited electrolytically.
  • a layer with an average iron content of more than 96% by weight is understood as a pure iron layer.
  • metallic hot-dip coating can have the following composition in% by weight:
  • the method according to the invention further includes an annealing treatment of the steel strip provided with a pure iron and an oxygen-containing, iron-based layer applied to it in a continuous annealing furnace.
  • This furnace can be a combination of a furnace part with open combustion (DFF, Direct Fired Furnace / NOF, Non-Oxidizing Furnace) and a radiant tube furnace (RTF, Radiation Tube Furnace) arranged after it, or in a pure radiant tube furnace (All Radiant Tube Furnace) respectively.
  • the steel strip is annealed at an annealing temperature of 550 ° C. to 880 ° C. and an average heating rate of 1 K / s to 100 K / s, as well as a holding time of the steel strip at an annealing temperature of between 30 s and 650 s.
  • a radiant tube furnace a
  • a reducing annealing atmosphere consisting of 2% to 40% H2 and 98 to 60% N2 and a dew point between +15 ° C and -70 ° C is used. Then the tape is on cooled to a temperature above the melt bath temperature of the coating and then coated with the metallic coating. Optionally, after the
  • Annealing treatment and, before coating with the metallic coating, the strip is cooled to a so-called overaging temperature between 200 ° C and 600 ° C and kept at this temperature for up to 500 s.
  • overaging temperature between 200 ° C and 600 ° C and kept at this temperature for up to 500 s.
  • the strip can before entering the melt bath
  • reheated for example, by inductive heating to a temperature above the melt bath temperature between 400 ° C and 750 ° C, so as not to remove heat from the melt bath through the cold steel strip.
  • Steel strip according to the invention with improved adhesion of hot-dip galvanizing provides that first a hot-rolled steel strip (hot strip) is pickled, then cold-rolled and then galvanized in a hot-dip galvanizing line. Within the hot-dip galvanizing line, the strip goes through a pre-cleaning section, after which
  • the strip goes through a strip activation (pickling / pickling) and then 6 electrolysis cells.
  • An iron layer is deposited in the first 3 cells, and an oxygen-containing, iron-based layer in the following 3 cells.
  • the coated tape then goes through rinsing and drying.
  • the strip then runs into the furnace section of the galvanizing line, where it is annealed and galvanized.
  • Aluminum-silicon AS, AlSi
  • zinc Z
  • zinc-aluminum ZA, Galfan
  • zinc-aluminum-iron ZF, galvannealed
  • zinc-magnesium-aluminum ZM, ZAM
  • aluminum-zinc AZ , Galvalume
  • the metallic one is based Coating on zinc and the zinc coating contains 0.1 to 1% by weight of Al or 0.1 to 6% by weight of Al and 0.1 to 6% by weight of Mg or 5 to 15% by weight of Fe.
  • Transition area between the metallic coating and the steel strip surface a predominantly ferritic edge zone with more than 60 volume% ferrite is formed, which advantageously has a thickness of 0.15 to 1.1 ⁇ m and particularly advantageously a thickness between 0.3 and 0.9 ⁇ m .
  • the thickness of this edge zone results directly from the deposited pre-coatings, which are also applied after annealing and
  • Hot-dip coating has a structure that differs from the steel substrate and thus has the desired positive effects.
  • FIGS. 1 and 2 Examination results are shown in FIGS. 1 and 2 by way of example.
  • Figure 1 shows a scanning electron microscope image of the surface of a medium manganese steel according to the invention before and after deposition of a
  • pre-coating according to the invention from pure iron and oxygen-containing,
  • the medium manganese steel has 6 mass percent Mn and 2
  • Figure 2 shows the results of depth profile analyzes using GDOES (Glow Discharge Optical Emission Spectroscopy) on the medium manganese steel samples shown in Figure 1 after annealing at 700 ° C for 120 seconds in a nitrogen atmosphere with 5% hydrogen (H2) and 95% nitrogen dioxide (N2) at an oven dew point of -50 ° C.
  • the samples with the pretreatment according to the invention show significantly lower contents on the surface of the elements oxygen, manganese, silicon and aluminum which are disadvantageous for the hot-dip coating.
  • Table 3 shows the results from galvanizing tests that were carried out on a hot dip galvanizing simulator with test sheets made of medium manganese steel (6 percent by mass Mn and 2 percent by mass Si + Al).
  • the precoatings were deposited electrolytically with a current density of 75 A / dm 2 per side.
  • the tests were carried out with two different heat treatments (800 ° C for 200 seconds and 700 ° C for 120 seconds). Samples with complete zinc wetting and good adhesion could only be obtained by means of a pre-coating of pure iron and a pre-coating of an oxygen-containing, iron-based layer on top.
  • the coating adhesion is tested in two different test geometries in order to ensure the adhesion in the different purposes of the steel.
  • the coating adhesion in the forming process is checked using a ball impact test in accordance with SEP1931. In this test, a hemispherical punch is hit on a test sheet with high impact energy. As a result of the impact stress, a
  • Test panel if necessary several times. The surface is then checked visually for delamination and peeling of the zinc-based coating in the area of the dome. The result is graded with grades 1-4 (grades 1 + 2 passed, grades 3 + 4 not passed).
  • the adhesion of the coating in the event of a crash is checked using an adhesive bead test.
  • a bead of adhesive with a defined geometry, preferably 10 mm wide and 5 mm high, of a 1-component epoxy resin structural adhesive is applied to the test panel.
  • the adhesive is then cured according to the data sheet and the sample is then quickly bent by 90 ° within a maximum of 2 s. During this process, the adhesive bead breaks under the strong tension and suddenly pulls on the coating already stressed by the bending.
  • the samples are then visually assessed for zinc delamination.
  • hydrogen can also be formed as a by-product in the electrolytic deposition according to the invention on the cathode, which is initially present in atomic adsorbed form on the surface and can later be absorbed by the steel substrate.
  • the conditions for an effusion of the are during the subsequent annealing process given hydrogen introduced.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electrochemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'une bande d'acier laminée à froid ou à chaud comportant un revêtement métallique, la bande d'acier comprenant du fer comme composant principal et, en plus du carbone, une teneur en Mn de 4,1 à 8,0 % en poids et, éventuellement, d'un ou de plusieurs éléments d'alliage Al, Si, Cr, B, Ti, V, Nb et/ou Mo, la surface de la bande d'acier non revêtue étant nettoyée, une couche de fer pur étant déposée sur la surface nettoyée, une couche à base de fer, contenant de l'oxygène, qui contient plus de pourcentage en poids d'oxygène, étant déposée sur la couche de fer pur, la bande d'acier avec la couche à base de fer, contenant de l'oxygène, étant ensuite recuite et traitée par réduction pour obtenir une surface constituée principalement de fer métallique au cours du traitement de recuit dans une atmosphère réductrice de four et la bande d'acier ainsi traitée et recuite avec le revêtement métallique étant ensuite revêtue par immersion à chaud. Cela permet d'obtenir des conditions d'adhérence homogènes et reproductibles pour le revêtement métallique sur la surface de la bande d'acier. En outre, l'invention concerne une bande d'acier ayant un revêtement métallique déposé au moyen de l'immersion à chaud et l'utilisation d'une telle bande d'acier.
PCT/EP2020/058805 2019-04-01 2020-03-27 Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud WO2020201133A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20715830.4A EP3947754B1 (fr) 2019-04-01 2020-03-27 Procédé de production d'une tôle d'acier avec une adhérence améliorée de revêtements métalliques à chaud
KR1020217034423A KR102602054B1 (ko) 2019-04-01 2020-03-27 용융 도금의 결합이 개선된 강 스트립을 제조하는 방법
US17/600,245 US20220220598A1 (en) 2019-04-01 2020-03-27 Method for producing a steel strip with improved bonding of metallic hot-dip coatings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019108457.1A DE102019108457B4 (de) 2019-04-01 2019-04-01 Verfahren zur Herstellung eines Stahlbandes mit verbesserter Haftung metallischer Schmelztauchüberzüge
DE102019108457.1 2019-04-01

Publications (1)

Publication Number Publication Date
WO2020201133A1 true WO2020201133A1 (fr) 2020-10-08

Family

ID=70058360

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/058805 WO2020201133A1 (fr) 2019-04-01 2020-03-27 Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud

Country Status (5)

Country Link
US (1) US20220220598A1 (fr)
EP (1) EP3947754B1 (fr)
KR (1) KR102602054B1 (fr)
DE (1) DE102019108457B4 (fr)
WO (1) WO2020201133A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020112829A1 (de) * 2020-05-12 2021-11-18 Eaton Intelligent Power Limited Erdungselement und Elektroinstallationsbauteil mit einem Erdungselement

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496398A (en) * 1974-05-24 1977-12-30 Armco Steel Corp Method of preparing a low alloy steel surface for hot dip metallic coating
JPH05239605A (ja) * 1992-02-28 1993-09-17 Kawasaki Steel Corp 高張力鋼板の溶融亜鉛めっき方法
US5447802A (en) * 1992-03-30 1995-09-05 Kawasaki Steel Corporation Surface treated steel strip with minimal plating defects and method for making
US20040121162A1 (en) 2001-03-30 2004-06-24 Ikuro Yamaoka Metal product surface-treated with alkali-soluble lubricating film exhibiting excellent formability and excellent film removal property being stable for a long time and independent of temperature for drying film
EP2010690A1 (fr) * 2006-04-26 2009-01-07 ThyssenKrupp Steel AG Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant
US20100065160A1 (en) * 2006-08-22 2010-03-18 Thyssenkrupp Steel Ag Process for coating a hot- or cold- rolled steel strip containing 6 - 30% by weight of MN with a metallic protective layer
DE102010037254A1 (de) 2010-08-31 2012-03-01 Thyssenkrupp Steel Europe Ag Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts
US20120125491A1 (en) * 2009-04-23 2012-05-24 Thyssenkrupp Steel Europe Ag Method for the Hot-Dip Coating of a Flat Steel Product Containing 2 - 35 wt.% of Mn, and a Flat Steel Product
WO2013007578A2 (fr) 2011-07-11 2013-01-17 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un produit plat en acier muni par immersion à chaud d'une couche de protection métallique
US20130304982A1 (en) 2012-05-14 2013-11-14 Bu Il JUNG Memory device, memory system, and operating methods thereof
DE102013105378B3 (de) 2013-05-24 2014-08-28 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts und Durchlaufofen für eine Schmelztauchbeschichtungsanlage
EP2798094A1 (fr) * 2011-12-28 2014-11-05 Posco Tôle d'acier galvanisée par immersion à chaud à haute résistance, ayant une excellente qualité et une excellente adhésion de surface de placage, et son procédé de fabrication
WO2015001367A1 (fr) 2013-07-04 2015-01-08 Arcelormittal Investigación Y Desarrollo Sl Feuille d'acier laminée à froid, procédé de fabrication et véhicule
EP2918696A1 (fr) 2012-11-06 2015-09-16 Nippon Steel & Sumitomo Metal Corporation Feuille d'acier galvanisée par immersion à chaud alliée et son procédé de fabrication
US20160102379A1 (en) 2013-05-21 2016-04-14 Jfe Steel Corporation Method for manufacturing high-strength galvannealed steel sheet
US20170145529A1 (en) * 2014-05-12 2017-05-25 Thyssenkrupp Steel Europe Ag Method for producing a steel component which is provided with a corrosion-resistant metal coating, and steel component
US20170198152A1 (en) * 2014-07-16 2017-07-13 Thyssenkrupp Steel Europe Ag Steel product with an anticorrosive coating of aluminum alloy and method for the production thereof
US20180010224A1 (en) * 2015-01-29 2018-01-11 Thyssenkrupp Steel Europe Ag Method for applying a metal protective coating to a surface of a steel product
CN109477191A (zh) 2016-07-07 2019-03-15 Posco公司 耐裂纹扩展性及延展性优异的热压成型部件及其制造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019989B1 (fr) * 1979-03-27 1983-06-22 Imperial Chemical Industries Plc Procédé pour la production d'une solution de nitrates de fer et de chrome et pour la production d'un catalyseur de conversion à haute température à partir de cette solution
JP5513216B2 (ja) * 2010-03-31 2014-06-04 株式会社神戸製鋼所 合金化溶融亜鉛めっき鋼板の製造方法
WO2013161831A1 (fr) * 2012-04-23 2013-10-31 株式会社神戸製鋼所 Procédé de production d'une tôle d'acier galvanisée, destinée à l'estampage à chaud, tôle d'acier allié galvanisée par immersion à chaud, destinée à l'estampage à chaud, et son procédé de production et composant estampé à chaud
DE102012013113A1 (de) * 2012-06-22 2013-12-24 Salzgitter Flachstahl Gmbh Hochfester Mehrphasenstahl und Verfahren zur Herstellung eines Bandes aus diesem Stahl mit einer Mindestzugfestigkleit von 580MPa
JP6164280B2 (ja) * 2015-12-22 2017-07-19 Ｊｆｅスチール株式会社 表面外観および曲げ性に優れるＭｎ含有合金化溶融亜鉛めっき鋼板およびその製造方法
US11888347B2 (en) * 2018-12-05 2024-01-30 Sumitomo Electric Industries, Ltd. Core, stator, and rotary electric machine

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496398A (en) * 1974-05-24 1977-12-30 Armco Steel Corp Method of preparing a low alloy steel surface for hot dip metallic coating
JPH05239605A (ja) * 1992-02-28 1993-09-17 Kawasaki Steel Corp 高張力鋼板の溶融亜鉛めっき方法
US5447802A (en) * 1992-03-30 1995-09-05 Kawasaki Steel Corporation Surface treated steel strip with minimal plating defects and method for making
DE69312003T2 (de) 1992-03-30 1997-11-20 Kawasaki Steel Corp., Kobe, Hyogo Oberflächenbehandeltes stahlblech mit weniger beschichtungsfehlern und dessen produktion
US20040121162A1 (en) 2001-03-30 2004-06-24 Ikuro Yamaoka Metal product surface-treated with alkali-soluble lubricating film exhibiting excellent formability and excellent film removal property being stable for a long time and independent of temperature for drying film
EP2010690A1 (fr) * 2006-04-26 2009-01-07 ThyssenKrupp Steel AG Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant
US20100065160A1 (en) * 2006-08-22 2010-03-18 Thyssenkrupp Steel Ag Process for coating a hot- or cold- rolled steel strip containing 6 - 30% by weight of MN with a metallic protective layer
US20120125491A1 (en) * 2009-04-23 2012-05-24 Thyssenkrupp Steel Europe Ag Method for the Hot-Dip Coating of a Flat Steel Product Containing 2 - 35 wt.% of Mn, and a Flat Steel Product
DE102010037254A1 (de) 2010-08-31 2012-03-01 Thyssenkrupp Steel Europe Ag Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts
WO2013007578A2 (fr) 2011-07-11 2013-01-17 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un produit plat en acier muni par immersion à chaud d'une couche de protection métallique
EP2798094A1 (fr) * 2011-12-28 2014-11-05 Posco Tôle d'acier galvanisée par immersion à chaud à haute résistance, ayant une excellente qualité et une excellente adhésion de surface de placage, et son procédé de fabrication
US20180119263A1 (en) 2011-12-28 2018-05-03 Posco High-strength hot-dip galvanized steel sheet having excellent plating surface quality and adhesion, and method of manufacturing the same
US20130304982A1 (en) 2012-05-14 2013-11-14 Bu Il JUNG Memory device, memory system, and operating methods thereof
EP2918696A1 (fr) 2012-11-06 2015-09-16 Nippon Steel & Sumitomo Metal Corporation Feuille d'acier galvanisée par immersion à chaud alliée et son procédé de fabrication
US20160102379A1 (en) 2013-05-21 2016-04-14 Jfe Steel Corporation Method for manufacturing high-strength galvannealed steel sheet
DE102013105378B3 (de) 2013-05-24 2014-08-28 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts und Durchlaufofen für eine Schmelztauchbeschichtungsanlage
WO2015001367A1 (fr) 2013-07-04 2015-01-08 Arcelormittal Investigación Y Desarrollo Sl Feuille d'acier laminée à froid, procédé de fabrication et véhicule
EP3017073A1 (fr) * 2013-07-04 2016-05-11 Arcelormittal Investigaçion y Desarrollo, SL Tôle en acier laminée à froid, procédé de fabrication et véhicule
US20170145529A1 (en) * 2014-05-12 2017-05-25 Thyssenkrupp Steel Europe Ag Method for producing a steel component which is provided with a corrosion-resistant metal coating, and steel component
US20170198152A1 (en) * 2014-07-16 2017-07-13 Thyssenkrupp Steel Europe Ag Steel product with an anticorrosive coating of aluminum alloy and method for the production thereof
US20180010224A1 (en) * 2015-01-29 2018-01-11 Thyssenkrupp Steel Europe Ag Method for applying a metal protective coating to a surface of a steel product
CN109477191A (zh) 2016-07-07 2019-03-15 Posco公司 耐裂纹扩展性及延展性优异的热压成型部件及其制造方法

Also Published As

Publication number Publication date
KR20210144804A (ko) 2021-11-30
EP3947754A1 (fr) 2022-02-09
EP3947754B1 (fr) 2022-12-07
DE102019108457A1 (de) 2020-10-01
DE102019108457B4 (de) 2021-02-04
US20220220598A1 (en) 2022-07-14
KR102602054B1 (ko) 2023-11-13

Similar Documents

Publication Publication Date Title
EP2848709B1 (fr) Procédé de fabrication d'un composant en acier revêtu d'une coiffe métallique protégeant de la corrosion et composant en acier
EP2054536B1 (fr) Procédé de recouvrement d'un feuillard d'acier laminé à chaud ou à froid et contenant de 6 à 30 % en poids de mn par une couche métallique de protection
EP2798094B1 (fr) Tôle d'acier galvanisée par immersion à chaud à haute résistance, ayant une excellente qualité et une excellente adhésion de surface de placage, et son procédé de fabrication
EP1658390B1 (fr) Procede de production d'un element constitutif en acier trempe
EP2235229B9 (fr) Procédé pour appliquer une couche de protection métallique sur un produit plat en acier laminé à chaud ou à froid contenant 6 - 30% en poids de mn
DE60006068T2 (de) Feuerverzinktes galvanisiertes stahlblech mit hervorragendem gleichgewicht zwischen festigkeit und dehnbarkeit und adhäsion zwischen stahl und beschichtung
EP3947753B1 (fr) Procédé de production d'une tôle d'acier avec une adhérence améliorée de revêtements métalliques à chaud
DE202004021264U1 (de) Korrosionsschicht und gehärtetes Stahlbauteil
EP3749793B1 (fr) Procédé de fabrication d'une bande d'acier à adhérence améliorée de dépôts métalliques par immersion à chaud
DE69106552T2 (de) Oberflächenbehandeltes Stahlband mit verbesserter Schweissfähigkeit und Beschichtungseigenschaften und seine Herstellung.
EP1200647B1 (fr) Procede de realisation de feuillard lamine a froid ameliore, apte a l'emboutissage ou a l'etirage, et feuillard servant de preference a la realisation de recipients cylindriques et en particulier de reservoirs de batteries
US12031201B2 (en) Plated steel sheet for hot stamping
EP3947754B1 (fr) Procédé de production d'une tôle d'acier avec une adhérence améliorée de revêtements métalliques à chaud
CN104364410B (zh) 高强度钢板和高强度热镀锌钢板以及它们的制造方法
EP3816319B1 (fr) Procédé de fabrication d'une bande en acier haute résistance à adhésion améliorée des enrobages par galvanisation à chaud à base de zinc
DE69728389T2 (de) Heissgetauchtes galvanisiertes stahlblech mit verminderten defekten, entstanden durch fehlbeschichtung, mit hervorragender kontaktbeschichtungshaftung und verfahren zu dessen herstellung
EP4359575A1 (fr) Procédé de production d'un produit plat en acier à revêtement métallique à base de zinc ou d'aluminium et produit plat en acier correspondant
RU2788033C1 (ru) Способ изготовления стальной полосы с улучшенным соединением металлических горячих покрытий
DE102004037673A1 (de) Verfahren zur simultanen elektrolytischen Abscheidung von Zink und Magnesium

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20715830

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20217034423

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2020715830

Country of ref document: EP

Effective date: 20211102