KR100817735B1 - 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법 - Google Patents
광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법 Download PDFInfo
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- KR100817735B1 KR100817735B1 KR1020037012089A KR20037012089A KR100817735B1 KR 100817735 B1 KR100817735 B1 KR 100817735B1 KR 1020037012089 A KR1020037012089 A KR 1020037012089A KR 20037012089 A KR20037012089 A KR 20037012089A KR 100817735 B1 KR100817735 B1 KR 100817735B1
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- Expired - Lifetime
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- 230000014759 maintenance of location Effects 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 229910001335 Galvanized steel Inorganic materials 0.000 title description 3
- 239000008397 galvanized steel Substances 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 238000007747 plating Methods 0.000 claims abstract description 125
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 97
- 239000010959 steel Substances 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000007711 solidification Methods 0.000 claims abstract description 17
- 230000008023 solidification Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 10
- 238000010791 quenching Methods 0.000 claims description 63
- 230000000171 quenching effect Effects 0.000 claims description 61
- 230000006866 deterioration Effects 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 229910052727 yttrium Inorganic materials 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 230000002349 favourable effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 59
- 238000001816 cooling Methods 0.000 abstract description 48
- 229910018134 Al-Mg Inorganic materials 0.000 abstract description 11
- 229910018467 Al—Mg Inorganic materials 0.000 abstract description 11
- 229910052749 magnesium Inorganic materials 0.000 abstract description 9
- 239000002344 surface layer Substances 0.000 abstract description 9
- 230000001590 oxidative effect Effects 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 238000003618 dip coating Methods 0.000 abstract 1
- 239000011701 zinc Substances 0.000 description 84
- 239000011777 magnesium Substances 0.000 description 70
- 239000013078 crystal Substances 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 239000010936 titanium Substances 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000003595 mist Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 3
- 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 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910019018 Mg 2 Si Inorganic materials 0.000 description 2
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- DQIPXGFHRRCVHY-UHFFFAOYSA-N chromium zinc Chemical compound [Cr].[Zn] DQIPXGFHRRCVHY-UHFFFAOYSA-N 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910002706 AlOOH Inorganic materials 0.000 description 1
- 229910000521 B alloy Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- SQTLECAKIMBJGK-UHFFFAOYSA-I potassium;titanium(4+);pentafluoride Chemical compound [F-].[F-].[F-].[F-].[F-].[K+].[Ti+4] SQTLECAKIMBJGK-UHFFFAOYSA-I 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910052725 zinc 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
Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Coating With Molten Metal (AREA)
Abstract
Description
Claims (11)
- Zn욕 중에 Al 4.0 내지 15질량% 및 Mg 1.0 내지 4.0질량%를 함유하는 용융 Zn 기본 도금욕에 강 스트립(steel strip)을 연속적으로 침지하여 인취한 후, 응고 완료 후의 도금층 표면을 수류(water stream)와 접촉시키면서 수냉시키는 워터 켄칭 영역(water quenching zone)에 연속적으로 강 스트립을 통과시키며, 이때 당해 워터 켄칭 영역에서 입구측 재료 온도를 105℃ 미만으로 제어하여 도금층 표면의 광택 악화를 억제함으로써 이루어지는, 광택 유지성이 양호한 용융 Zn 기본 도금 강판(Zn-base plated steel sheet)의 제조방법.
- Al: 4.0 내지 15질량%,Mg: 1.0 내지 4.0질량%,Ti: 0.001 내지 0.1질량%,B: 0.001 내지 0.045질량%,잔여량의 Zn 및 불가피한 불순물로 이루어진 용융 Zn기 도금욕에 강 스트립을 연속적으로 침지하여 인취한 후, 응고 완료 후의 도금층 표면을 수류와 접촉시키면서 수냉시키는 워터 켄칭 영역에 연속적으로 강 스트립을 통과시키며, 이때 당해 워터 켄칭 영역에서 입구측 재료 온도를 105℃ 미만으로 제어하여 도금층 표면의 광택 악화를 억제함으로써 이루어지는, 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법.
- Zn욕 중에 Al 4.0 내지 15질량% 및 Mg 1.0 내지 4.0질량%를 함유하는 용융 Zn기 도금욕에 희토류 원소 Y, Zr 및 Si 중에서 선택된 산화 용이성 원소 하나 이상을 0.002 내지 0.05질량% 첨가하고 나서, 당해 욕에 강 스트립을 연속적으로 침지하여 인취한 후, 응고 완료 후의 도금층 표면을 수류와 접촉시키면서 수냉시키는 워터 켄칭 영역에 연속적으로 강 스트립을 통과시키며, 이때 당해 워터 켄칭 영역에서 입구측 재료 온도를 105℃ 이상으로 제어하여 도금층 표면의 광택 악화를 억제함으로써 이루어지는, 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법.
- Al: 4.0 내지 15질량%,Mg: 1.0 내지 4.0질량%,Ti: 0.001 내지 0.1질량%,B: 0.001 내지 0.045질량%,희토류 원소 Y, Zr 및 Si 중에서 선택된 산화 용이성 원소 하나 이상: 0.002 내지 0.05질량%,잔여량의 Zn 및 불가피한 불순물로 이루어진 용융 Zn기 도금욕에 강 스트립을 연속적으로 침지하여 인취한 후, 응고 완료 후의 도금층 표면을 수류와 접촉시키면서 수냉시키는 워터 켄칭 영역에 연속적으로 강 스트립을 통과시키며, 이때 당해 워터 켄칭 영역에서 입구측 재료 온도를 105 내지 300℃로 제어하여 도금층 표면의 광택 악화를 억제함으로써 이루어지는, 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법.
- 제1항 내지 제4항 중의 어느 한 항에 있어서, 워터 켄칭 영역에 강 스트립을 통과시킨 후, 다시 화학 처리 영역에 강 스트립을 통과시키는, 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020037012089A KR100817735B1 (ko) | 2003-09-16 | 2002-07-24 | 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020037012089A KR100817735B1 (ko) | 2003-09-16 | 2002-07-24 | 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050028288A KR20050028288A (ko) | 2005-03-22 |
| KR100817735B1 true KR100817735B1 (ko) | 2008-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020037012089A Expired - Lifetime KR100817735B1 (ko) | 2003-09-16 | 2002-07-24 | 광택 유지성이 양호한 용융 Zn 기본 도금 강판의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100817735B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200136066A (ko) * | 2019-05-27 | 2020-12-07 | 현대제철 주식회사 | 도금강판 및 그 제조방법 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ706336A (en) | 2012-10-17 | 2019-02-22 | Bluescope Steel Ltd | Method of producing metal-coated steel strip |
| MY177333A (en) * | 2012-10-18 | 2020-09-12 | Bluescope Steel Ltd | Method of producing metal-coated steel strip |
| KR102031466B1 (ko) | 2017-12-26 | 2019-10-11 | 주식회사 포스코 | 표면품질 및 내식성이 우수한 아연합금도금강재 및 그 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001059171A1 (en) * | 2000-02-09 | 2001-08-16 | Nisshin Steel Co., Ltd. | STEEL SHEET HOT DIP COATED WITH Zn-Al-Mg HAVING HIGH Al CONTENT |
| JP2002146504A (ja) * | 2000-08-22 | 2002-05-22 | Nisshin Steel Co Ltd | 耐食性及び耐ホイスカ性に優れた電装用資材及び電装用部材 |
| JP2002187234A (ja) * | 2000-12-21 | 2002-07-02 | Nisshin Steel Co Ltd | 耐食性に優れた非クロム系塗装鋼板 |
-
2002
- 2002-07-24 KR KR1020037012089A patent/KR100817735B1/ko not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001059171A1 (en) * | 2000-02-09 | 2001-08-16 | Nisshin Steel Co., Ltd. | STEEL SHEET HOT DIP COATED WITH Zn-Al-Mg HAVING HIGH Al CONTENT |
| JP2002146504A (ja) * | 2000-08-22 | 2002-05-22 | Nisshin Steel Co Ltd | 耐食性及び耐ホイスカ性に優れた電装用資材及び電装用部材 |
| JP2002187234A (ja) * | 2000-12-21 | 2002-07-02 | Nisshin Steel Co Ltd | 耐食性に優れた非クロム系塗装鋼板 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200136066A (ko) * | 2019-05-27 | 2020-12-07 | 현대제철 주식회사 | 도금강판 및 그 제조방법 |
| KR102250323B1 (ko) * | 2019-05-27 | 2021-05-10 | 현대제철 주식회사 | 도금강판 및 그 제조방법 |
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| Publication number | Publication date |
|---|---|
| KR20050028288A (ko) | 2005-03-22 |
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