WO2011157690A1 - Verfahren zum herstellen eines warmgeformten und gehärteten, mit einer metallischen korrosionsschutzbeschichtung überzogenen stahlbauteils aus einem stahlflachprodukt - Google Patents
Verfahren zum herstellen eines warmgeformten und gehärteten, mit einer metallischen korrosionsschutzbeschichtung überzogenen stahlbauteils aus einem stahlflachprodukt Download PDFInfo
- Publication number
- WO2011157690A1 WO2011157690A1 PCT/EP2011/059808 EP2011059808W WO2011157690A1 WO 2011157690 A1 WO2011157690 A1 WO 2011157690A1 EP 2011059808 W EP2011059808 W EP 2011059808W WO 2011157690 A1 WO2011157690 A1 WO 2011157690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steel product
- flat steel
- coating
- annealing
- layer
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 126
- 239000010959 steel Substances 0.000 title claims abstract description 126
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000576 coating method Methods 0.000 title claims description 38
- 239000011248 coating agent Substances 0.000 title claims description 35
- 238000005260 corrosion Methods 0.000 title claims description 7
- 239000002184 metal Substances 0.000 title abstract description 19
- 229910052751 metal Inorganic materials 0.000 title abstract description 19
- 238000000137 annealing Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000012792 core layer Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 150000004767 nitrides Chemical class 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 10
- 238000003856 thermoforming Methods 0.000 claims description 10
- 238000003618 dip coating Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 3
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229910018464 Al—Mg—Si Inorganic materials 0.000 claims description 2
- 229910009369 Zn Mg Inorganic materials 0.000 claims description 2
- 229910007570 Zn-Al Inorganic materials 0.000 claims description 2
- 229910007573 Zn-Mg Inorganic materials 0.000 claims description 2
- 229910007567 Zn-Ni Inorganic materials 0.000 claims description 2
- 229910007614 Zn—Ni Inorganic materials 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- JOCBASBOOFNAJA-UHFFFAOYSA-N N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid Chemical compound OCC(CO)(CO)NCCS(O)(=O)=O JOCBASBOOFNAJA-UHFFFAOYSA-N 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 abstract description 2
- 229910000734 martensite Inorganic materials 0.000 abstract description 2
- 239000011253 protective coating Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- 238000005121 nitriding Methods 0.000 description 26
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 229910001338 liquidmetal Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009956 embroidering Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- -1 nitrogen-containing nitride Chemical class 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
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- 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
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- 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
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die 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
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0457—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- 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
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- 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
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- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C2/12—Aluminium or alloys based thereon
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- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
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- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
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- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/82—After-treatment
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- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
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- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
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- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
- C23C28/3225—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only with at least one zinc-based layer
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- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
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- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/36—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including layers graded in composition or physical properties
Definitions
- the invention relates to a method for producing a hot-formed and hardened, coated with a metallic Korrosionsschut zbe slaughterung steel component made of a flat steel product having an Mn content of at least 0.4 wt .-%.
- a steel comparable to steel 22MnB5 is known from JP 2006104526A.
- This known steel contains besides Fe and unavoidable impurities (in% by weight) 0.05 - 0, 55% C, max. 2% Si, 0.1-3% Mn, max. 0.1% P and max. 0.03% S.
- additional contents of 0.0002 - 0.005% B and 0.001 - 0.1% Ti can be added to the steel.
- the respective Ti content serves for setting the nitrogen present in the steel. In this way, the boron present in the steel can develop its strength-increasing effect as completely as possible.
- Corrosion protection coating are provided.
- a special difficulty is the hot forming of galvanized flat steel products to high- or high-strength steel components.
- Liquid metal embrittlement in flat steel products made of higher strength and high strength Mn containing steels have only a limited ductility and, as a result, tend during their deformation to form near-surface, near the grain boundary cracks.
- Nitriding treatment can be generated to the
- Flat-rolled steel is typically more than
- Examples of the steels processed according to the invention can be adjusted to their respective properties up to 0.2 wt .-% Ti, up to 0.005 wt .-% B, up to 0.5 wt% Cr, up to 0.1 wt. -% V or up to 0.03 wt .-% Nb included.
- Nitrous oxide or internal nitriding requires the presence of diffusible nitrogen. This condition is met when the nitrogen is present in the statu nascendi.
- the nitriding is carried out by annealing the respective flat steel product in an ammonia-containing H 2 -N 2 Glühgasatmospreheat.
- ammonia and Nitrogen as a nitrogen donor available.
- Ammonia gas splits at atmospheric pressure and
- the object of the invention was to provide a method which minimizes it
- coated steel component is based on the idea of performing a nitriding treatment on the flat steel product prior to its hot forming, in which W
- Metal material of the coating counteracts. Moreover, an unusually high iron diffusion sets in the coating. As a result, especially in the processing of zinc based coatings, the
- the method according to the invention comprises the following working steps:
- Such a flat steel product may be in the hot or cold rolled state in processed according to the invention. It is also possible to make different steel blanks
- the flat steel product is heated in a continuous furnace under an annealing atmosphere containing up to 25% by volume of H 2 ,
- Liquid metal embrittlement prone temperature range so it can be postponed that this does not coincide with the typical temperature range for hot forming.
- the board can optionally be preformed.
- the preforming can go so far that after preforming the shape of the board corresponds approximately completely to the shape of the finished component. Typically, preforming occurs at cold or below the austenitizing temperature
- thermoforming alone, preforming is eliminated.
- the board is on a
- Austenitizing temperature is accelerated cooled.
- the cooling of the steel component is carried out such that forms in the flat steel product hardness structure.
- Hot forming and hardening can be carried out "in one step". In this case, the thermoforming and the curing are performed in one go together in a tool.
- the inventive method is characterized in particular by the fact that it can be carried out in a particularly economical manner using a continuous furnace. This makes it possible to use the method according to the invention in
- Anticorrosive coating are hot-dip coated.
- Iron surfaces present in the reaction space catalyze the dissociation. Some of the nitrogen atoms liberated at the moment of decomposition can diffuse into the iron material.
- the NH 3 content of the annealing atmosphere is at most 5% by volume
- the dew point of the annealing atmosphere is -40 ° C to
- the holding temperature of the annealing is 680-840 ° C
- the holding time of the annealing is 30 - 120 s.
- a nitrided boundary layer is deliberately adjusted. The thickness of these fine-structured, if necessary only
- nitriding layer is determined by the determined according to DIN 50190-3 Nitrierhärtiefe.
- the nitriding hardness depth is the distance from the surface to the point of the steel substrate where the hardness of the core hardness is + 50HV. In this way turns in the nitrided, near-surface
- Core area i. Hv (nitrided) / Hv (core area) 1.25.
- Coating of the flat steel product with the metallic protective layer by a hot dip coating is carried out in a continuous on the annealing treatment - -
- the annealing treatment carried out according to the invention takes place simultaneously with the surface conditioning for the downstream surface finishing via a heterogeneous annealing gas-metal reaction.
- the annealing treatment in this case can include the edge nitriding, surface conditioning and recrystallization of the base material and then the
- Procedure can be performed in-line following the annealing treatment. It is conceivable in principle, the traversed by the flat steel product
- Oven line to flood over its entire length with NH 3 -containing gas.
- Fire coating carried out an oxidation of the surface of the flat steel product.
- surface refinement preferably carried out by hot-dip coating, of a
- produced flat steel product can be applied to the steel substrate per se known coating systems which on Zn, Al, Zn-Al, Zn-Mg, Zn-Ni, Zn-Fe, Al-Mg, Al-Si, Zn-Al-Mg or Zn-Al-Mg-Si are based.
- further heat treatment steps can be carried out in order to emboss the metallic protective coating in a specific way. If necessary, continuous annealing after hot dip coating, e.g. a galvanic treatment.
- a flat steel product on which a fine-structured nitriding layer has been formed in a continuous annealing according to the invention can be given a metallic, a metallic-inorganic or a metallic-organic coating by applying it electrolytically, e.g. coated with a Zn, a ZnNi or a ZnFe coating, by PVD or CVD deposition or by another metal-organic or metal-inorganic coating process.
- the annealing treatment according to the invention can be carried out in a conventional manner
- the nitriding layer produced according to the invention makes it possible to easily heat the flat steel product according to the invention to an austenitizing temperature at which the flat steel product is largely complete
- Melting temperature is less than or equal to
- Heating temperature is.
- the fine graininess of the surface layer achieved by the nitriding according to the invention prevents cracking and thus ensures that no metal of the coating penetrates into the core region or
- Base material of the steel substrate can penetrate.
- Fe / coating metal ratio advantageous Coating training the formation of solder cracks and thus counteracts liquid metal embrittlement.
- the invention is based on
- FIG. 1 shows a vertical section of a nitriding-annealed steel sample according to the invention
- FIG. 2 shows a vertical section of a non-annealed, hard-rolling comparative sample
- FIG. 4 shows a vertical section of the tensile zone region of a steel component formed from the steel sample according to FIG. 1;
- FIG. 5 shows a vertical section of the tensile zone region of a steel component formed from the hard steel sample according to FIG. 2.
- Hot-dip galvanizing is performed.
- FIG. 1 shows the micrograph of the sample produced from the steel WU and heat-treated according to the invention. It can be clearly seen that as a result of the procedure according to the invention
- ⁇ Nitriding layer "N" has been set.
- Nitriding layer (Fig. 2).
- GDOES Glow Discharge Optical Emission Spectrometer
- treated sample represents.
- FIG. 3 clearly shows that the sample treated according to the invention has a pronounced embroidered
- Nitriding N whose thickness is about 20 ⁇ .
- Nitriding region N has a microhardness of 340 HV and the non-nitrided core region (base material) K has a hardness of 180 HV.
- Austenitizing temperature of 880 ° C Maschinenmint and then thermoformed in a hot press forming tool to a component for an automobile body.
- thermoforming After thermoforming, the components obtained have been cooled in a manner known per se so fast that hardened structure has formed.
- FIGS. 4 and 5 make it clear that no cracking has occurred in the region of the tensile zone in the component produced in accordance with the invention, while in the component produced in a conventional manner distinct intergranular crack formation
- the inventive method thus improves the forming properties of surface-refined
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020137000998A KR20130085410A (ko) | 2010-06-14 | 2011-06-14 | 강 시트 제품으로부터 금속성 내부식 코팅으로 코팅된 열간 성형 및 경화처리된 강 구성부품을 제조하는 방법 |
US13/703,707 US20130206284A1 (en) | 2010-06-14 | 2011-06-14 | Method for Producing a Hot-Formed and Hardened Steel Component Coated with a Metallic Anti-Corrosion Coating from a Sheet Steel Product |
JP2013514682A JP2013534971A (ja) | 2010-06-14 | 2011-06-14 | 鋼板製品から、金属防食コーティングで被覆された熱間成形焼入れ鋼コンポーネントを製造する方法 |
EP11724650.4A EP2580358A1 (de) | 2010-06-14 | 2011-06-14 | Verfahren zum herstellen eines warmgeformten und gehärteten, mit einer metallischen korrosionsschutzbeschichtung überzogenen stahlbauteils aus einem stahlflachprodukt |
CN201180029367.0A CN102985570B (zh) | 2010-06-14 | 2011-06-14 | 由扁钢制品制造经热成型且淬火的、具有金属抗腐蚀涂层的钢制零件的方法 |
BR112012030991A BR112012030991A2 (pt) | 2010-06-14 | 2011-06-14 | processo para produção de um componente de aço de um produto de chapa de aço moldado a quente e temperado, revestido com um revestimento de preteção contra corrosão |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010017354A DE102010017354A1 (de) | 2010-06-14 | 2010-06-14 | Verfahren zum Herstellen eines warmgeformten und gehärteten, mit einer metallischen Korrosionsschutzbeschichtung überzogenen Stahlbauteils aus einem Stahlflachprodukt |
DE102010017354.1 | 2010-06-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/703,707 Substitution US20130206284A1 (en) | 2010-06-14 | 2011-06-14 | Method for Producing a Hot-Formed and Hardened Steel Component Coated with a Metallic Anti-Corrosion Coating from a Sheet Steel Product |
Publications (1)
Publication Number | Publication Date |
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WO2011157690A1 true WO2011157690A1 (de) | 2011-12-22 |
Family
ID=44626931
Family Applications (1)
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PCT/EP2011/059808 WO2011157690A1 (de) | 2010-06-14 | 2011-06-14 | Verfahren zum herstellen eines warmgeformten und gehärteten, mit einer metallischen korrosionsschutzbeschichtung überzogenen stahlbauteils aus einem stahlflachprodukt |
Country Status (8)
Country | Link |
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US (1) | US20130206284A1 (de) |
EP (1) | EP2580358A1 (de) |
JP (1) | JP2013534971A (de) |
KR (1) | KR20130085410A (de) |
CN (1) | CN102985570B (de) |
BR (1) | BR112012030991A2 (de) |
DE (1) | DE102010017354A1 (de) |
WO (1) | WO2011157690A1 (de) |
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JP2016528381A (ja) * | 2013-07-05 | 2016-09-15 | ティッセンクルップ スチール ヨーロッパ アーゲーThyssenkrupp Steel Europe Ag | 耐摩耗性の、少なくとも部分的にコーティングされていない鋼部品 |
DE102019130381A1 (de) * | 2019-11-11 | 2021-05-12 | Benteler Automobiltechnik Gmbh | Kraftfahrzeugbauteil mit gesteigerter Festigkeit |
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DE102016104800A1 (de) * | 2016-03-15 | 2017-09-21 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines warmumgeformten Stahlbauteils und ein warmumgeformtes Stahlbauteil |
CN106011652B (zh) * | 2016-06-28 | 2017-12-26 | 宝山钢铁股份有限公司 | 一种磷化性能优异的冷轧低密度钢板及其制造方法 |
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JP2022535056A (ja) * | 2019-06-03 | 2022-08-04 | ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフト | 腐食保護コーティングを施された平鋼製品からシート金属コンポーネントを製造するための方法 |
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WO2013156688A1 (fr) * | 2012-04-17 | 2013-10-24 | Arcelormittal Investigación Y Desarrollo Sl | Tôle d'acier munie d'un revêtement à protection cathodique sacrificielle, procédé de fabrication d'une pièce par mise en oeuvre d'une telle tôle et pièce ainsi obtenue |
CN104302802A (zh) * | 2012-04-17 | 2015-01-21 | 安赛乐米塔尔研发有限公司 | 设置有提供牺牲阴极保护的涂层的钢板、利用这样的板制造部件的方法以及所得部件 |
KR20150008114A (ko) * | 2012-04-17 | 2015-01-21 | 아르셀러미탈 인베스티가시온 와이 데살롤로 에스엘 | 희생 음극 보호부를 구비하는 코팅이 제공된 스틸 시트, 그러한 시트를 사용한 부품의 제조 방법 및 완성된 부품 |
KR101667131B1 (ko) | 2012-04-17 | 2016-10-17 | 아르셀러미탈 인베스티가시온 와이 데살롤로 에스엘 | 희생 음극 보호부를 구비하는 코팅이 제공된 스틸 시트, 그러한 시트를 사용한 부품의 제조 방법 및 완성된 부품 |
CN104302802B (zh) * | 2012-04-17 | 2017-04-12 | 安赛乐米塔尔研发有限公司 | 设置有提供牺牲阴极保护的涂层的钢板、利用这样的板制造部件的方法以及所得部件 |
EA030016B1 (ru) * | 2012-04-17 | 2018-06-29 | Арселормитталь Инвестигасьон И Десарролло Сл | Стальной лист с покрытием для катодной протекторной защиты, способ изготовления детали с использованием такого листа и полученная этим способом деталь |
KR101886611B1 (ko) | 2012-04-17 | 2018-08-09 | 아르셀러미탈 인베스티가시온 와이 데살롤로 에스엘 | 희생 음극 보호부를 구비하는 코팅이 제공된 스틸 시트, 그러한 시트를 사용한 부품의 제조 방법 및 완성된 부품 |
US10253418B2 (en) | 2012-04-17 | 2019-04-09 | Arcelormittal Investigacion Y Desarrollo, S.L. | Steel sheet provided with a coating offering sacrificial cathodic protection, method for the production of a part using such a sheet, and resulting part |
JP2016528381A (ja) * | 2013-07-05 | 2016-09-15 | ティッセンクルップ スチール ヨーロッパ アーゲーThyssenkrupp Steel Europe Ag | 耐摩耗性の、少なくとも部分的にコーティングされていない鋼部品 |
DE102019130381A1 (de) * | 2019-11-11 | 2021-05-12 | Benteler Automobiltechnik Gmbh | Kraftfahrzeugbauteil mit gesteigerter Festigkeit |
DE102019130381A9 (de) | 2019-11-11 | 2021-09-02 | Benteler Automobiltechnik Gmbh | Kraftfahrzeugbauteil mit gesteigerter Festigkeit |
US11761069B2 (en) | 2019-11-11 | 2023-09-19 | Benteler Automobiltechnik Gmbh | Automotive component with enhanced strength |
Also Published As
Publication number | Publication date |
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CN102985570A (zh) | 2013-03-20 |
DE102010017354A9 (de) | 2012-04-05 |
DE102010017354A1 (de) | 2011-12-15 |
JP2013534971A (ja) | 2013-09-09 |
CN102985570B (zh) | 2016-03-30 |
EP2580358A1 (de) | 2013-04-17 |
KR20130085410A (ko) | 2013-07-29 |
BR112012030991A2 (pt) | 2016-11-08 |
US20130206284A1 (en) | 2013-08-15 |
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