KR20200076309A - 가공성 및 내식성이 우수한 이종도금강판 및 그 제조방법 - Google Patents
가공성 및 내식성이 우수한 이종도금강판 및 그 제조방법 Download PDFInfo
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- KR20200076309A KR20200076309A KR1020180165283A KR20180165283A KR20200076309A KR 20200076309 A KR20200076309 A KR 20200076309A KR 1020180165283 A KR1020180165283 A KR 1020180165283A KR 20180165283 A KR20180165283 A KR 20180165283A KR 20200076309 A KR20200076309 A KR 20200076309A
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- magnesium alloy
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 102
- 239000010959 steel Substances 0.000 title claims abstract description 102
- 238000005260 corrosion Methods 0.000 title claims description 36
- 230000007797 corrosion Effects 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000011701 zinc Substances 0.000 claims abstract description 113
- PGTXKIZLOWULDJ-UHFFFAOYSA-N [Mg].[Zn] Chemical compound [Mg].[Zn] PGTXKIZLOWULDJ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 56
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000007747 plating Methods 0.000 claims description 88
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 56
- 238000000576 coating method Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 18
- 239000011777 magnesium Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 230000008093 supporting effect Effects 0.000 claims description 5
- 239000004035 construction material Substances 0.000 abstract description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 13
- 239000008397 galvanized steel Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 229910000905 alloy phase Inorganic materials 0.000 description 9
- 238000005240 physical vapour deposition Methods 0.000 description 8
- 238000000227 grinding Methods 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000298 Cellophane Polymers 0.000 description 2
- 229910017706 MgZn Inorganic materials 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VWVRASTUFJRTHW-UHFFFAOYSA-N 2-[3-(azetidin-3-yloxy)-4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound O=C(CN1C=C(C(OC2CNC2)=N1)C1=CN=C(NC2CC3=C(C2)C=CC=C3)N=C1)N1CCC2=C(C1)N=NN2 VWVRASTUFJRTHW-UHFFFAOYSA-N 0.000 description 1
- WWSJZGAPAVMETJ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethoxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OCC WWSJZGAPAVMETJ-UHFFFAOYSA-N 0.000 description 1
- LPZOCVVDSHQFST-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethylpyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CC LPZOCVVDSHQFST-UHFFFAOYSA-N 0.000 description 1
- FYELSNVLZVIGTI-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-5-ethylpyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1CC)CC(=O)N1CC2=C(CC1)NN=N2 FYELSNVLZVIGTI-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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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
- C23C28/021—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 including at least one metal alloy layer
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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Abstract
Description
도 2는 본 발명의 이종도금강판 일예의 단면을 나타낸 모식도이다.
도 3은 본 발명의 이종도금강판 일예의 단면을 나타낸 모식도이다.
도 4는 본 발명의 이종도금강판 일예의 단면을 나타낸 모식도이다.
도 5는 본 발명의 이종도금강판 일예의 단면을 나타낸 모식도이다.
도 6은 전자기 부양 물리 기상 증착 장치의 모식도이다.
구분 | 한면 도금층 | 다른 한면의 도금층 | 특성 평가 | ||||||
도금층 구성 | 부착량 (g/㎡) |
도금층 구성 | 부착량 (g/㎡) |
Mg 함량(중량%) | 표면외관 | 내식성 | 파우더링성 | 골링성 | |
종래예 1 | Zn | 10 | Zn | 10 | - | 양호 | 3 | 1 | 3 |
종래예 2 | Zn | 20 | Zn | 20 | - | 양호 | 3 | 1 | 3 |
종래예 3 | Zn | 40 | Zn | 40 | - | 양호 | 2 | 1 | 3 |
종래예 4 | Zn | 60 | Zn | 60 | - | 양호 | 2 | 1 | 3 |
비교예 1 | Zn | 2 | Zn-Mg | 10 | 8 | 양호 | 3 | 1 | 1 |
비교예 2 | Zn | 4 | Zn-Mg | 50 | 20 | 양호 | 3 | 2 | 1 |
비교예 3 | Zn | 70 | Zn-Mg | 5 | 4 | 불균일 | 2 | 1 | 1 |
비교예 4 | Zn | 70 | Zn-Mg | 50 | 10 | 양호 | 1 | 1 | 1 |
비교예 5 | Zn | 60 | Zn-Mg | 40 | 6 | 불균일 | 2 | 1 | 1 |
비교예 6 | Zn | 60 | Zn-Mg | 40 | 40 | 양호 | 2 | 3 | 2 |
발명예 1 | Zn | 60 | Zn-Mg | 10 | 10 | 양호 | 2 | 1 | 1 |
발명예 2 | Zn | 60 | Zn-Mg | 40 | 8 | 양호 | 1 | 1 | 1 |
발명예 3 | Zn | 60 | Zn-Mg | 10 | 30 | 양호 | 2 | 2 | 1 |
발명예 4 | Zn | 50 | Zn-Mg | 20 | 25 | 양호 | 1 | 2 | 1 |
발명예 5 | Zn | 40 | Zn-Mg | 30 | 15 | 양호 | 1 | 2 | 1 |
발명예 6 | Zn | 10 | Zn-Mg | 40 | 12 | 양호 | 1 | 1 | 1 |
발명예 7 | Zn | 30 | Zn-Mg | 40 | 8 | 양호 | 1 | 1 | 1 |
발명예 8 | Zn | 20 | Zn-Mg | 40 | 15 | 양호 | 1 | 2 | 1 |
발명예 9-1 | Zn | 10 | Zn/Zn-Mg | 2/40 | 12 | 양호 | 1 | 2 | 1 |
발명예 9-2 | Zn | 10 | Zn/Zn-Mg | 5/40 | 12 | 양호 | 1 | 1 | 1 |
발명예 10-1 | Zn | 10 | Zn-Mg/Zn | 40/8 | 12 | 양호 | 1 | 1 | 1 |
발명예 10-2 | Zn | 10 | Zn-Mg/Zn | 40/15 | 12 | 양호 | 1 | 1 | 1 |
발명예 10-3 | Zn | 10 | Zn-Mg/Zn | 40/22 | 12 | 양호 | 1 | 1 | 2 |
발명예 11-1 | Zn | 10 | Zn/Zn-Mg/Zn | 2/40/14 | 15 | 양호 | 1 | 2 | 1 |
발명예 11-2 | Zn | 10 | Zn/Zn-Mg/Zn | 6/40/14 | 15 | 양호 | 1 | 1 | 1 |
발명예 11-3 | Zn | 10 | Zn/Zn-Mg/Zn | 6/40/9 | 15 | 양호 | 1 | 1 | 1 |
발명예 11-4 | Zn | 10 | Zn/Zn-Mg/Zn | 6/40/22 | 15 | 양호 | 1 | 1 | 2 |
110 : 용융아연도금층
210 : 아연도금층
220 : 아연-마그네슘 합금도금층
221, 222 : 아연층
Claims (11)
- 강판; 상기 강판의 한면에 부착된 아연도금층; 및 상기 강판의 다른 한면에 부착된 아연-마그네슘 합금도금층을 포함하고,
상기 아연도금층의 도금 부착량은 5~60 g/㎡이고,
상기 아연-마그네슘 합금도금층의 도금 부착량은 10~40 g/㎡이고, 상기 아연-마그네슘 합금도금층의 마그네슘 함량은 8~30 중량%인 가공성 및 내식성이 우수한 이종도금강판.
- 청구항 1에 있어서,
상기 아연-마그네슘 합금도금층은 2층 이상의 다층 구조를 갖는 가공성 및 내식성이 우수한 이종도금강판.
- 청구항 1에 있어서,
상기 강판 및 아연-마그네슘 합금도금층 사이에 아연층을 더 포함하는 가공성 및 내식성이 우수한 이종도금강판.
- 청구항 3에 있어서,
상기 아연층의 도금 부착량은 3g/㎡ 이상인 가공성 및 내식성이 우수한 이종도금강판.
- 청구항 1에 있어서,
상기 아연-마그네슘 합금도금층 상에 아연층을 더 포함하는 가공성 및 내식성이 우수한 이종도금강판.
- 청구항 5에 있어서,
상기 아연층의 도금 부착량은 10g/㎡ 이상, 20g/㎡ 이하인 가공성 및 내식성이 우수한 이종도금강판.
- 청구항 1에 있어서,
상기 아연-마그네슘 합금도금층의 부식전위는 -1.07 ~ -1.13 V(SCE)인 가공성 및 내식성이 우수한 이종도금강판.
- 강판을 준비하는 단계;
진공 챔버 내에서 전자기력에 의해 코팅 물질을 부양하여 아연 증착 증기를 생성하고, 상기 아연 증착 증기를 유도 분출하여 상기 강판의 한면에 5~60 g/㎡의 부착량을 갖는 아연도금층을 형성하는 단계; 및
진공 챔버 내에서 전자기력에 의해 코팅 물질을 부양하여 아연-마그네슘 합금 증착 증기를 생성하고, 상기 아연-마그네슘 합금 증착 증기를 유도 분출하여 상기 강판의 다른 한면에 10~40 g/㎡의 부착량을 갖는 아연-마그네슘 합금도금층을 형성하는 단계;를 포함하고,
상기 아연-마그네슘 합금 증착 증기에 포함된 Mg 함량은 8~30 중량%인 가공성 및 내식성이 우수한 이종도금강판의 제조방법.
- 청구항 8에 있어서,
상기 아연도금층을 형성하는 단계 및 아연-마그네슘 합금도금층을 형성하는 단계는 순서에 상관없이 순차적으로 행해지거나, 동시에 행해지는 가공성 및 내식성이 우수한 이종도금강판의 제조방법.
- 청구항 8에 있어서,
상기 아연-마그네슘 합금도금층을 형성하기 전 및/또는 후에, 아연층을 형성하는 단계를 더 포함하는 가공성 및 내식성이 우수한 이종도금강판의 제조방법.
- 청구항 10에 있어서,
상기 아연층은 진공 챔버 내에서 전자기력에 의해 코팅 물질을 부양하여 아연 증착 증기를 생성하고, 상기 아연 증착 증기를 유도 분출하여 형성하는 가공성 및 내식성이 우수한 이종도금강판의 제조방법.
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