KR100831449B1 - 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합고강도 강판 및 그 제조 방법 - Google Patents
성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합고강도 강판 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100831449B1 KR100831449B1 KR1020067018302A KR20067018302A KR100831449B1 KR 100831449 B1 KR100831449 B1 KR 100831449B1 KR 1020067018302 A KR1020067018302 A KR 1020067018302A KR 20067018302 A KR20067018302 A KR 20067018302A KR 100831449 B1 KR100831449 B1 KR 100831449B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- hot
- high strength
- dip galvanized
- composite high
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 116
- 239000010959 steel Substances 0.000 title claims abstract description 116
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 6
- 229910052725 zinc Inorganic materials 0.000 title claims description 6
- 239000011701 zinc Substances 0.000 title claims description 6
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000005246 galvanizing Methods 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 17
- 238000005496 tempering Methods 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims description 52
- 238000011282 treatment Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 28
- 238000005554 pickling Methods 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- 238000005275 alloying Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 8
- 235000012054 meals Nutrition 0.000 claims description 8
- 238000005097 cold rolling Methods 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 229910001566 austenite Inorganic materials 0.000 description 11
- 238000000137 annealing Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000794 TRIP steel Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- 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
- C21D8/0421—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 working steps
- C21D8/0426—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
- C21D8/04—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
- C21D8/0421—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 working steps
- C21D8/0436—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
- 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
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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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
- 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
- C23C2/0224—Two or more thermal pretreatments
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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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- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
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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
- C23C2/06—Zinc or cadmium 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
- 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
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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
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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
- C23C28/04—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 of inorganic non-metallic material
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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
- C23C28/345—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 with at least one oxide layer
- C23C28/3455—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 with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
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Abstract
Description
Claims (18)
- 질량 %로, C : 0.01 내지 0.3 %, Si : 0.005 내지 0.6 %, Mn : 0.1 내지 3.3 %, P : 0.001 내지 0.06 %, S : 0.001 내지 0.01 %, Al : 0.25 내지 1.8 %, N : 0.0005 내지 0.01 %를 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지고, 금속 조직이 페라이트와 면적률 5 % 이상 60 % 이하의 템퍼링 마르텐사이트로 이루어지는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판.
- 제1항에 있어서, 상기 용융 아연 도금 복합 고강도 강판이 질량 %로, Mo : 0.05 내지 0.5 %, V : 0.01 내지 0.1 %, Ti : 0.01 내지 0.2 %, Nb : 0.005 내지 0.05 %, Cu : 1.0 % 이하, Ni : 1.0 % 이하, Cr : 1.0 % 이하, Ca : 0.0003 내지 0.005 %, REM : 0.0003 내지 0.005 %, B : 0.0003 내지 0.002 % 중 1종 또는 2종 이상을 더 함유하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판.
- 제1항 또는 제2항에 있어서, 상기 용융 아연 도금 복합 고강도 강판은, Si, Al의 질량 %와, 목표의 인장 강도(TS)가 하기 1식을 더 만족시키는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판.(0.0012 × [TS 목표치] - 0.29 - [Si])/1.45 < Al < 1.5 - 3 × [Si] … 1식[TS 목표치] : 강판의 인장 강도 설계치(㎫), [Si] : Si 질량 %, Al : Al 질량 %
- 질량 %로, C : 0.01 내지 0.3 %, Si : 0.005 내지 0.6 %, Mn : 0.1 내지 3.3 %, P : 0.001 내지 0.06 %, S : 0.001 내지 0.01 %, Al : 0.25 내지 1.8 %, N : 0.0005 내지 0.01 %를 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지는 슬래브를 열간 압연 후 냉간 압연하고, 용융 아연 도금 가열 공정에서 Ac1 내지 Ac3 + 100 ℃의 온도로 가열하여 30초 내지 30분 유지한 후, 1 ℃/s 이상의 냉각 속도로 450 내지 600 ℃의 온도로 냉각하고, 계속해서 이 온도에서 용융 아연 도금 처리를 실시하고, 그 후 1 ℃/s 이상의 냉각 속도로 마르텐사이트 변태점 이하의 온도까지 냉각한 후, 200 ℃ 이상 500 ℃ 이하의 온도로 1초 내지 5분 유지한 후, 5 ℃/s 이상의 냉각 속도로 100 ℃ 이하까지 냉각함으로써 페라이트와 면적률 5 % 이상 60 % 이하의 템퍼링 마르텐사이트로 이루어지는 금속 조직을 갖는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제4항에 있어서, 상기 용융 아연 도금 처리 후에 합금화 처리를 실시하는 것 을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제4항 또는 제5항에 있어서, 상기 아연 도금층 또는 합금화아연 도금층 상에 크로메이트 처리, 무기 피막 처리, 화성 처리, 수지 피막 처리 중 어느 1종 또는 2종 이상의 후처리를 더 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제4항 또는 제5항에 있어서, 상기 용융 아연 도금 복합 고강도 강판이 질량 %로, Mo : 0.05 내지 0.5 %, V : 0.01 내지 0.1 %, Ti : 0.01 내지 0.2 %, Nb : 0.005 내지 0.05 %, Cu : 1.0 % 이하, Ni : 1.0 % 이하, Cr : 1.0 % 이하, Ca : 0.0003 내지 0.005 %, REM : 0.0003 내지 0.005 %, B : 0.0003 내지 0.002 % 중 1종 또는 2종 이상을 더 함유하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제4항 또는 제5항에 있어서, 상기 용융 아연 도금 복합 고강도 강판은, Si, Al의 질량 %와, 목표의 인장 강도(TS)가 하기 1식을 더 만족시키는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.(0.0012 × [TS 목표치] - 0.29 - [Si])/1.45 < Al < 1.5 - 3 × [Si] … 1식[TS 목표치] : 강판의 인장 강도 설계치(㎫), [Si] : Si 질량 %, Al : Al 질량 %
- 제4항 또는 제5항에 있어서, 상기 냉간 압연으로부터 용융 아연 도금 가열 공정 사이에 Ni, Fe, Co, Sn, Cu 중 1종 또는 2종 이상의 예비 도금을 강판 한쪽 면당 0.01 내지 2.0 g/㎡ 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제9항에 있어서, 상기 예비 도금 전에 강판에 산세정 처리를 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제6항에 있어서, 상기 용융 아연 도금 복합 고강도 강판이 질량 %로, Mo : 0.05 내지 0.5 %, V : 0.01 내지 0.1 %, Ti : 0.01 내지 0.2 %, Nb : 0.005 내지 0.05 %, Cu : 1.0 % 이하, Ni : 1.0 % 이하, Cr : 1.0 % 이하, Ca : 0.0003 내지 0.005 %, REM : 0.0003 내지 0.005 %, B : 0.0003 내지 0.002 % 중 1종 또는 2종 이상을 더 함유하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제6항에 있어서, 상기 용융 아연 도금 복합 고강도 강판은, Si, Al의 질량 %와, 목표의 인장 강도(TS)가 하기 1식을 더 만족시키는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.(0.0012 × [TS 목표치] - 0.29 - [Si])/1.45 < Al < 1.5 - 3 × [Si] … 1식[TS 목표치] : 강판의 인장 강도 설계치(㎫), [Si] : Si 질량 %, Al : Al 질량 %
- 제7항에 있어서, 상기 용융 아연 도금 복합 고강도 강판은, Si, Al의 질량 %와, 목표의 인장 강도(TS)가 하기 1식을 더 만족시키는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.(0.0012 × [TS 목표치] - 0.29 - [Si])/1.45 < Al < 1.5 - 3 × [Si] … 1식[TS 목표치] : 강판의 인장 강도 설계치(㎫), [Si] : Si 질량 %, Al : Al 질량 %
- 제11항에 있어서, 상기 용융 아연 도금 복합 고강도 강판은, Si, Al의 질량 %와, 목표의 인장 강도(TS)가 하기 1식을 더 만족시키는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.(0.0012 × [TS 목표치] - 0.29 - [Si])/1.45 < Al < 1.5 - 3 × [Si] … 1식[TS 목표치] : 강판의 인장 강도 설계치(㎫), [Si] : Si 질량 %, Al : Al 질량 %
- 제6항에 있어서, 상기 냉간 압연으로부터 용융 아연 도금 가열 공정 사이에 Ni, Fe, Co, Sn, Cu 중 1종 또는 2종 이상의 예비 도금을 강판 한쪽 면당 0.01 내지 2.0 g/㎡ 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제7항에 있어서, 상기 냉간 압연으로부터 용융 아연 도금 가열 공정 사이에 Ni, Fe, Co, Sn, Cu 중 1종 또는 2종 이상의 예비 도금을 강판 한쪽 면당 0.01 내지 2.0 g/㎡ 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제11항에 있어서, 상기 냉간 압연으로부터 용융 아연 도금 가열 공정 사이에 Ni, Fe, Co, Sn, Cu 중 1종 또는 2종 이상의 예비 도금을 강판 한쪽 면당 0.01 내지 2.0 g/㎡ 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
- 제8항에 있어서, 상기 냉간 압연으로부터 용융 아연 도금 가열 공정 사이에 Ni, Fe, Co, Sn, Cu 중 1종 또는 2종 이상의 예비 도금을 강판 한쪽 면당 0.01 내지 2.0 g/㎡ 실시하는 것을 특징으로 하는 성형성 및 구멍 확장성이 우수한 용융 아연 도금 복합 고강도 강판의 제조 방법.
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Also Published As
Publication number | Publication date |
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EP1724371B1 (en) | 2018-02-07 |
JP2005256089A (ja) | 2005-09-22 |
JP4510488B2 (ja) | 2010-07-21 |
CN100557056C (zh) | 2009-11-04 |
CA2559587A1 (en) | 2005-09-22 |
CN1930316A (zh) | 2007-03-14 |
TWI305234B (en) | 2009-01-11 |
TW200600592A (en) | 2006-01-01 |
EP1724371A1 (en) | 2006-11-22 |
CA2559587C (en) | 2010-11-09 |
WO2005087965A1 (ja) | 2005-09-22 |
US20070190353A1 (en) | 2007-08-16 |
EP1724371A4 (en) | 2007-12-26 |
ES2663866T3 (es) | 2018-04-17 |
KR20060118602A (ko) | 2006-11-23 |
PL1724371T3 (pl) | 2018-08-31 |
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