JPWO2011118848A1 - 耐食性に優れた容器用鋼板 - Google Patents
耐食性に優れた容器用鋼板 Download PDFInfo
- Publication number
- JPWO2011118848A1 JPWO2011118848A1 JP2011538782A JP2011538782A JPWO2011118848A1 JP WO2011118848 A1 JPWO2011118848 A1 JP WO2011118848A1 JP 2011538782 A JP2011538782 A JP 2011538782A JP 2011538782 A JP2011538782 A JP 2011538782A JP WO2011118848 A1 JPWO2011118848 A1 JP WO2011118848A1
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- JP
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- Prior art keywords
- steel plate
- plating layer
- adhesion
- containers
- amount
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 230000007797 corrosion Effects 0.000 title claims abstract description 61
- 238000005260 corrosion Methods 0.000 title claims abstract description 61
- 238000007747 plating Methods 0.000 claims abstract description 82
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims description 90
- 239000011247 coating layer Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 25
- 239000011651 chromium Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000005868 electrolysis reaction Methods 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 229920002799 BoPET Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229910000576 Laminated steel Inorganic materials 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000005029 tin-free steel Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910017709 Ni Co Inorganic materials 0.000 description 2
- 229910003267 Ni-Co Inorganic materials 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 2
- 229910003262 Ni‐Co Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- -1 fluoride ions Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 2
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 2
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 description 1
Classifications
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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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- 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
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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
- 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/24—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
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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
- 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
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- C23C22/24—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
- C23C22/30—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also trivalent chromium
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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
- 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
- C23C22/361—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing titanium, zirconium or hafnium compounds
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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
- 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
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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
- 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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- 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
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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
- 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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- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
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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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
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- 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
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Abstract
Description
2ピース缶とは、缶底と缶胴部が一体になった缶体のことで、DrD缶、DI缶等が知られており、絞り加工、しごき加工、曲げ曲げ戻し加工、あるいはこれらの加工を組み合わせて成形される。これらの缶体に用いられる鋼板には、ブリキ(Snめっき鋼板)やTFS(電解クロム酸処理鋼板(ティンフリースチール))があり、用途や加工方法によって使い分けが為されている。
3ピース缶は、缶胴部と底部が別々になった缶体の事で、缶胴部の製造を溶接で行う溶接缶が主流である。缶胴部の素材には、薄目付けSnめっき鋼板やNiめっき鋼板が使用されている。また、底部の素材にはTFS等が使用されている。
本発明は上記事情に鑑みてなされたもので、耐食性に優れた容器用鋼板を提供することを目的とする。
本発明によれば、更に、鋼板と;前記鋼板の表面に、Ni量で0.3〜3g/m2の付着量で形成され、かつCoが0.1〜100ppmの範囲で含まれるNiめっき層と;前記Niめっき層の表面に、Zr量で1〜40mg/m2の付着量で形成されたZr含有皮膜層と、が備えられてなることを特徴とする耐食性、密着性、溶接性に優れた容器用鋼板が提供される。
上記構成を有する本発明の容器用鋼板が優れた効果を発揮する理由は、本発明者等の知見によれば、以下のように推定される。
すなわち、本発明者等は、穿孔腐食の軽減に対応する為、Niめっき層中の微量添加元素が耐食性に及ぼす影響について種々の検討を行った際に、特定量(微量)のCoをNiめっき層に含ませる事で、Niめっき層のピンホール等の欠陥部から腐食が進行する際に、Niめっき層と地鉄との界面に沿って腐食が進行する現象を見出した(図1を参照)。
本発明者は更に研究を進めた結果、地鉄とNiめっき層との界面に沿って腐食が進行する傾向を有することにより、地鉄の「厚さ」方向への穿孔腐食が抑制されることをも、更に見出した。
また、本発明者等の知見によれば、イオン化したCoが、Niめっき層上のクロメート層やZr含有皮膜層の不動態効果を和らげ、地鉄の孔食(Feの酸化反応)の対応する酸素あるいは水素の還元反応が、Niめっき層上で生じている可能性もあることが考えられる。
[1] 鋼板と、
前記鋼板の表面に、Ni量で0.3〜3g/m2の付着量で形成され、かつCoが0.1〜100ppmの範囲で含まれるNiめっき層と、
前記Niめっき層の表面に、Cr換算量で1〜40mg/m2の付着量で形成されたクロメート皮膜層と、が備えられてなることを特徴とする耐食性、密着性、溶接性に優れた容器用鋼板。
[2] 前記Niめっき層のNi量が、0.35〜2.8g/m2である[1]に記載の容器用鋼板。
[3] 前記Niめっき層のCo含有率が、0.3〜92ppmである[1]または[2]に記載の容器用鋼板。
[4] 前記クロメート皮膜層のCr換算付着量が、1.2〜38mg/m2である[1]〜[3]のいずれか1項に記載の容器用鋼板。
[5] 鋼板と、
前記鋼板の表面に、Ni量で0.3〜3g/m2の付着量で形成され、かつCoが0.1〜100ppmの範囲で含まれるNiめっき層と、
前記Niめっき層の表面に、Zr量で1〜40mg/m2の付着量で形成されたZr含有皮膜層と、が備えられてなることを特徴とする耐食性、密着性、溶接性に優れた容器用鋼板。
[6] 前記Niめっき層のNi量が、0.42〜2.4g/m2である[5]に記載の容器用鋼板。
[7] 前記Niめっき層のCo含有率が、0.1〜89ppmである[5]または[6]に記載の容器用鋼板。
[8] 前記Zr含有皮膜層のZr換算付着量が、1〜37mg/m2である[5]〜[7]のいずれか1項に記載の容器用鋼板。
クロメート皮膜層は、Cr換算量で1〜40mg/m2の付着量でNiめっき層上に形成されている。また、Zr含有皮膜層は、Zr量で1〜40mg/m2の付着量でNiめっき層上に形成されている。
クロメート皮膜層を用いる本発明の態様においては、下記の範囲が好適である。
Niめっき層のNi量(g/m2):0.35〜2.8(更に0.6〜2.4;特に0.8〜1.8)
Niめっき層のCo含有率(ppm):0.3〜92(更に0.3〜25;特に0.3〜24)
クロメート皮膜層のCr換算付着量(mg/m2):1.2〜38(更に4〜22;特に5〜22)
Zr含有皮膜層を用いる本発明の態様においては、下記の範囲が好適である。
Niめっき層のNi量(g/m2):0.42〜2.4(更に0.8〜2.4;特に1.1〜2.4)
Niめっき層のCo含有率(ppm):0.1〜89(更に0.2〜89;特に0.2〜47)
Zr含有皮膜層のZr換算付着量(mg/m2):1〜37(更に12〜37;特に12〜28)
先ず、本発明の実施例及び比較例について述べ、その結果を第1表に示す。以下の(1)に示す方法で試料を作製し、(2)の(A)〜(D)の各項目について性能評価を行った。
鋼板(めっき原板):
板厚0.2mmのテンパーグレード3(T−3)のぶりき用冷延鋼板をめっき原板として使用した。
濃度20%の硫酸ニッケル、濃度15%の塩化ニッケル、1%のホウ酸を含み、pH=2に調整した水溶液に、硫酸コバルトを0.1〜1%添加し、5A/dm2で陰極電解を行い、鋼板にNiめっき層を形成した。Ni付着量は、電解時間で制御した。
濃度10%の酸化クロム(VI)、濃度0.2%の硫酸、濃度0.1%のフッ化アンモニウムを含む水溶液中で、10A/dm2のカソード電解を行い、10秒間水洗して、Niめっき層にクロメート皮膜層を形成した。クロメート皮膜層のCr付着量は電解時間で制御した。
濃度5%のフッ化ジルコニウム、濃度4%のリン酸、濃度5%のフッ酸の水溶液中で、10A/dm2のカソード電解を行い、Niめっき層にZr含有皮膜層を形成した。Zr含有皮膜層のZr付着量は電解時間で制御した。
<めっき量の測定方法>
Ni、Zr、Cr量の測定は、蛍光X線で測定した。Coは、めっき層を10%塩酸に溶解させ、原子吸光分析によりCo濃度を測定し、算出した。
(A)溶接性
試験片に厚さ15μmのPETフィルムをラミネートし、ラップ代0.5mm、加圧力45kgf、溶接ワイヤースピード80m/minの条件で、電流を変更して溶接を実施し、十分な溶接強度が得られる最小電流値及び散りなどの溶接欠陥が目立ち始める最大電流値からなる適正電流範囲の広さと、溶接安定状態とから適性溶接条件の範囲を総合的に判断し、4段階(◎:非常に広い、○:広い、△:実用上問題なし、×:狭い)で評価した。
試料に15μm厚のPETフィルムをラミネートし、DrDプレスでカップを作製した。そのカップをDIマシンでDI缶に成形した。成形後のDI缶の缶壁部のフィルムの剥離状況を観察し、総合的に4段階(◎:全く剥離が認められない、○:僅かなフィルム浮きが認められる、△:大きな剥離が認められる、×:フィルムがDI成形中に剥離し、破胴に至る)で評価した。
試料に15μm厚のPETフィルムをラミネートし、DrDプレスでカップを作製した。そのカップをDIマシンでDI缶に成形後、PETフィルムの融点を超える温度(240℃程度)で10分間の熱処理を行い、更に125℃、30分の加熱水蒸気雰囲気で処理(レトルト処理)した。そして、レトルト処理後のDI缶の缶壁部のフィルムの剥離状況を観察し、総合的に4段階(◎:全く剥離が認められない、○:僅かなフィルム浮きが認められる、△:大きな剥離が認められる、×:フィルムがDI成形中に剥離し、破胴に至る)で評価した。
PETフィルムをラミネートした溶接缶を作製し、溶接部は補修塗料を塗布し、1.5%クエン酸−1.5%食塩混合液からなる試験液を溶接缶に充填し、蓋を取付け、55℃、1ヶ月間、恒温室に安置した。その後、溶接缶内部におけるフィルム疵付き部の腐食状況を4段階(◎:穿孔腐食が認められない、○:実用上問題無い程度の僅かな穿孔腐食が認められる、△:穿孔腐食の進行が認められる、×:穿孔腐食により穴明きが発生している)で判断して評価した。また、光学顕微鏡で腐食箇所を10点観察し、腐食深さの平均値を測定した。
比較例1は、Niめっき層の付着量が低いため、溶接性と耐食性が特に低下した。
比較例2、3は、Niめっき層中のCo含有率が本発明の範囲外であり、比較例2では耐食性が、比較例3では溶接性がそれぞれ低下した。
比較例4、5は、クロメート皮膜層の付着量が本発明の範囲外であり、比較例4では二次密着性が、比較例5では溶接性がそれぞれ低下した。
比較例6、7では、Zr含有皮膜層の付着量が本発明の範囲外であり、比較例6では二次密着性が、比較例7では溶接性がそれぞれ低下した。
次に、上記と同様なクロメート処理条件下で、Niめっき層にクロメート皮膜層を形成した。クロメート皮膜層のCr付着量は8g/m2に統一した。
得られた各種の鋼板について、上記と同様にして耐食性試験を行い、穿孔食の深さを測定した。結果を図1に示す。
Claims (8)
- 鋼板と、
前記鋼板の表面に、Ni量で0.3〜3g/m2の付着量で形成され、かつCoが0.1〜100ppmの範囲で含まれるNiめっき層と、
前記Niめっき層の表面に、Cr換算量で1〜40mg/m2の付着量で形成されたクロメート皮膜層と、が備えられてなることを特徴とする耐食性、密着性、溶接性に優れた容器用鋼板。 - 前記Niめっき層のNi量が、0.35〜2.8g/m2である請求項1に記載の容器用鋼板。
- 前記Niめっき層のCo含有率が、0.3〜92ppmである請求項1または2に記載の容器用鋼板。
- 前記クロメート皮膜層のCr換算付着量が、1.2〜38mg/m2である請求項1または2に記載の容器用鋼板。
- 鋼板と、
前記鋼板の表面に、Ni量で0.3〜3g/m2の付着量で形成され、かつCoが0.1〜100ppmの範囲で含まれるNiめっき層と、
前記Niめっき層の表面に、Zr量で1〜40mg/m2の付着量で形成されたZr含有皮膜層と、が備えられてなることを特徴とする耐食性、密着性、溶接性に優れた容器用鋼板。 - 前記Niめっき層のNi量が、0.42〜2.4g/m2である請求項5に記載の容器用鋼板。
- 前記Niめっき層のCo含有率が、0.1〜89ppmである請求項5または6に記載の容器用鋼板。
- 前記Zr含有皮膜層のZr換算付着量が、1〜37mg/m2である請求項5または6に記載の容器用鋼板。
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EP (1) | EP2551378B1 (ja) |
JP (1) | JP5158267B2 (ja) |
KR (1) | KR101431941B1 (ja) |
CN (1) | CN102822387B (ja) |
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JP5885345B2 (ja) * | 2012-05-29 | 2016-03-15 | 東洋鋼鈑株式会社 | 樹脂との加工密着性に優れる容器用表面処理鋼板、その製造方法および缶 |
EP2738111B1 (en) * | 2012-05-31 | 2017-10-04 | Nippon Steel & Sumitomo Metal Corporation | Three-piece resealable bottle |
CN105239064A (zh) * | 2015-10-29 | 2016-01-13 | 无锡市嘉邦电力管道厂 | 一种耐腐蚀金属材料 |
FI127475B (en) * | 2015-10-30 | 2018-06-29 | Fiskars Home Oy Ab | Cooking container and method of preparation |
US20200307159A1 (en) * | 2016-05-24 | 2020-10-01 | Nippon Steel & Sumitomo Metal Corporation | Steel sheet for container |
US11084252B2 (en) * | 2017-03-02 | 2021-08-10 | Nippon Steel Corporation | Surface-treated steel sheet |
CN108360032A (zh) * | 2018-05-08 | 2018-08-03 | 丹凤县荣毅电子有限公司 | 一种smd汽车电子元件的电镀工艺 |
EP4073288A1 (de) * | 2019-12-11 | 2022-10-19 | Salzgitter Flachstahl GmbH | Blech mit haftvermittlerbeschichtung als halbzeug zur fertigung von metall-thermoplastverbundbauteilen und verfahren zur herstellung eines solchen bleches |
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NL111001C (ja) * | 1957-12-03 | |||
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JPS56169788A (en) | 1980-06-03 | 1981-12-26 | Nippon Steel Corp | Steel sheet useful as welded can |
JPS5767186A (en) * | 1980-10-08 | 1982-04-23 | Nippon Steel Corp | Steel plate for fuel container |
JPS59228200A (ja) | 1983-06-10 | 1984-12-21 | 富士写真フイルム株式会社 | シ−ト状放射線測定具 |
US4659394A (en) | 1983-08-31 | 1987-04-21 | Nippon Kokan Kabushiki Kaisha | Process for preparation of highly anticorrosive surface-treated steel plate |
JPS60145380A (ja) | 1984-01-07 | 1985-07-31 | Nippon Steel Corp | 耐食性に優れたΝiメツキ鋼板 |
JPS6160896A (ja) | 1984-08-29 | 1986-03-28 | Nippon Steel Corp | アルコ−ルもしくはアルコ−ル含有燃料容器用鋼板 |
US4663245A (en) * | 1985-05-16 | 1987-05-05 | Nippon Steel Corporation | Hot-dipped galvanized steel sheet having excellent black tarnish resistance and process for producing the same |
JPH0765214B2 (ja) | 1988-11-18 | 1995-07-12 | 新日本製鐵株式会社 | めっき密着性及び耐食性にすぐれたNi,Co,及びNi−Co合金めっきCr含有鋼板の製造法 |
JPH0360073A (ja) | 1989-07-27 | 1991-03-15 | Nec Corp | 光半導体装置 |
JP2000026992A (ja) | 1989-08-31 | 2000-01-25 | Katayama Tokushu Kogyo Kk | Niメッキ鋼板 |
JP2998043B2 (ja) | 1991-06-06 | 2000-01-11 | 新日本製鐵株式会社 | 意匠性に優れた有機皮膜積層鋼板及びその鋼板より成るスリーピース缶 |
JP3060073B2 (ja) | 1991-05-17 | 2000-07-04 | 新日本製鐵株式会社 | コイルコーティングラインにおける3ピース缶用有機積層鋼板の製造方法 |
EP0751240B1 (en) * | 1994-12-08 | 1999-08-04 | Sumitomo Metal Industries, Ltd. | Surface-treated steel plate for fuel tanks |
JPH08188898A (ja) * | 1995-01-11 | 1996-07-23 | Kobe Steel Ltd | 電気亜鉛めっき鋼板およびその製法 |
EP0844316B1 (en) * | 1996-06-06 | 2002-12-11 | Sumitomo Metal Industries, Ltd. | Surface-treated steel sheet excellent in corrosion resistance after working |
JPH11147533A (ja) * | 1997-11-11 | 1999-06-02 | Daiwa Can Co Ltd | 缶詰の複合体 |
JP2000263696A (ja) | 1999-03-19 | 2000-09-26 | Toyo Kohan Co Ltd | 容器用樹脂被覆鋼板およびそれを用いた容器 |
JP2000334886A (ja) | 1999-05-25 | 2000-12-05 | Tsutsumi Yotaro | 製缶用積層体およびそれを用いたシームレス缶 |
JP4051021B2 (ja) | 2003-11-11 | 2008-02-20 | 新日本製鐵株式会社 | 電池缶用Niメッキ鋼板 |
JP4818755B2 (ja) | 2006-03-02 | 2011-11-16 | 新日本製鐵株式会社 | 溶接缶用鋼板 |
JP5088095B2 (ja) * | 2006-12-13 | 2012-12-05 | Jfeスチール株式会社 | 平板部耐食性、耐黒変性およびプレス成形後の外観と耐食性に優れた表面処理亜鉛系めっき鋼板、並びに亜鉛系めっき鋼板用水系表面処理液 |
JP4886811B2 (ja) * | 2008-06-05 | 2012-02-29 | 新日本製鐵株式会社 | 有機皮膜性能に優れた容器用鋼板およびその製造方法 |
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US20130011694A1 (en) | 2013-01-10 |
EP2551378A1 (en) | 2013-01-30 |
EP2551378B1 (en) | 2015-04-29 |
JP5158267B2 (ja) | 2013-03-06 |
EP2551378A4 (en) | 2013-11-27 |
CN102822387B (zh) | 2014-12-31 |
KR20120120451A (ko) | 2012-11-01 |
WO2011118848A1 (ja) | 2011-09-29 |
TW201142090A (en) | 2011-12-01 |
MY160923A (en) | 2017-03-31 |
US8993118B2 (en) | 2015-03-31 |
KR101431941B1 (ko) | 2014-08-19 |
CN102822387A (zh) | 2012-12-12 |
TWI434962B (zh) | 2014-04-21 |
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