KR20160071918A - 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 - Google Patents
도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 Download PDFInfo
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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
- C23C2/12—Aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
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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
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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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated 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
- 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
- C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
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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
- C23C2/50—Controlling or regulating the coating processes
- C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing
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Abstract
본 발명은 도금층 내 조직과 금속간 화합물의 크기 및 형상을 제어함으로써 내식성과 가공성 및 도금 표면성이 우수한 도금 강재(Al-Zn계 합금 도금 강재)를 제조할 수 있는 이점이 있다.
Description
도 2는 10㎛ 이상의 다각형상의 Mg2Si상을 보인 도금 표면과 단면 전자 현미경 사진이다.
도 3은 중국문자형상의 Mg2Si상을 보인 도금 표면과 단면 전자 현미경 사진이다.
30:Al상 40:Zn상
50: Zn/Al 2원 공정상 60:Zn/Al/MgZn2 3원 공정상
70: MgZn2상 80: 10㎛ 이상의 다각형상의 Mg2Si상
90: 중국문자형상의 Mg2Si상
Claims (11)
- 도금 조성물 총 중량에 대하여,
Zn 35~55wt%, Mg 0.3~2wt%, Si 0.5~3wt% 및 잔부 Al을 포함하며,
상기 도금 조성물은 하기 수학식 1 및 수학식 2의 조건을 만족하는 도금 조성물.
[수학식 1]
0.9 ≤ Al(wt%)/Zn(wt%) ≤ 1.8
[수학식 2]
Si(wt%) < Al(wt%) × 0.03 + Mg(wt%) × 0.7
- 제 1항에 있어서,
상기 도금 조성물은 하기 수학식 3의 조건을 만족하는 도금 조성물.
[수학식 3]
Si(wt%) < Al(wt%) × 0.03 + Mg(wt%) × 0.45
- 제 1항에 있어서,
상기 도금 조성물은 Zr, Cr, Sb, Ca, Sr, Be, La, Ce 중 선택된 1종 이상의 금속을 추가로 포함하며,
상기 금속의 중량은 각각 독립적으로 0.005 ~0.2wt%로 포함되는 도금 조성물.
- 제 1항 내지 제 3항 중 어느 한 항의 도금 조성물을 포함하는 도금층 표면에 형성된 스팽글을 포함하는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 4항에 있어서,
상기 스팽글은 상기 도금층의 표면 1mm2 면적당 직경이 100㎛이하인 Si상을 평균 10개 이하로 포함하여 형성되는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 4항에 있어서,
상기 스팽글은 상기 도금층의 표면 1mm2 면적당 직경이 100㎛이하인 Si상을 평균 1개 이하로 포함하여 형성되는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 4항에 있어서,
상기 도금층 중에 Zn상 영역 내에 다각형상 또는 침상의 Mg2Si상 및 비정형상의 MgZn2상을 포함하는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 7항에 있어서,
상기 Mg2Si상은 도금 전체 두께의 10 내지 20% 이하인 도금 표면부에 존재하며, 상기 MgZn2는 도금층 전체에 걸쳐 존재하는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 4항에 있어서,
상기 도금층에 2vol% 이하의 Mg2Si상을 포함하는 것을 특징으로 하는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 4항에 있어서,
상기 도금층 표면에 직경이 10㎛ 미만이고, Zn/Al 2원 공정상으로 둘러싸이거나 Zn/Al/MgZn2 3원 공정상에 둘러싸여 형성되는 다각형상 또는 침상의 Mg2Si상을 포함하는 내식성이 우수한 Al-Zn계 합금 도금 강재.
- 제 1항 내지 제 4항 중 어느 한 항의 도금 조성물을 가열하여 550~650℃의 용융 도금욕을 제조하는 단계;
상기 도금욕에 강재를 1~3초 동안 침지하는 단계;
상기 도금액이 부착된 강재 상의 과잉의 도금액을 제거하기 위해 질소 또는 공기로 와이핑하여 강재의 표면에 60~200g/m2의 도금 부착량으로 도금 부착하는 단계; 및
5~50℃/sec의 냉각속도로 15 내지 30℃까지 냉각하는 단계를 포함하는 도금 조성물을 이용한 도금 강재의 제조방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140179711A KR101692118B1 (ko) | 2014-12-12 | 2014-12-12 | 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 |
| AU2015362106A AU2015362106B2 (en) | 2014-12-12 | 2015-12-11 | Plating composition, method for manufacturing plated steel material by using same, and plated steel material coated with plating composition |
| PCT/KR2015/013619 WO2016093667A1 (ko) | 2014-12-12 | 2015-12-11 | 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020140179711A KR101692118B1 (ko) | 2014-12-12 | 2014-12-12 | 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 |
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| Publication Number | Publication Date |
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| KR20160071918A true KR20160071918A (ko) | 2016-06-22 |
| KR101692118B1 KR101692118B1 (ko) | 2017-01-17 |
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| KR1020140179711A Active KR101692118B1 (ko) | 2014-12-12 | 2014-12-12 | 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 |
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| Country | Link |
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| KR (1) | KR101692118B1 (ko) |
| AU (1) | AU2015362106B2 (ko) |
| WO (1) | WO2016093667A1 (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020130482A1 (ko) * | 2018-12-19 | 2020-06-25 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
| KR20200076585A (ko) * | 2018-12-19 | 2020-06-29 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
| JP2022501508A (ja) * | 2018-09-27 | 2022-01-06 | ポスコPosco | 溶接液化脆性に対する抵抗性及びめっき密着性に優れた高耐食めっき鋼板 |
| KR20230090012A (ko) * | 2021-12-14 | 2023-06-21 | 현대제철 주식회사 | 열간 프레스용 강판 및 이를 이용하여 제조된 핫 스탬핑 부품 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987997B (zh) * | 2023-07-25 | 2024-11-29 | 鞍钢股份有限公司 | 一种表面黑化高铝系热浸镀层钢板及其制造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002322527A (ja) * | 2001-04-25 | 2002-11-08 | Nippon Steel Corp | Al−Zn−Mg系合金めっき鉄鋼製品 |
| JP2011514935A (ja) * | 2008-03-13 | 2011-05-12 | ブルースコープ・スティール・リミテッド | 金属被覆スチールストリップ |
| KR101308168B1 (ko) * | 2011-05-27 | 2013-09-12 | 동부제철 주식회사 | 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4374281B2 (ja) * | 2004-05-26 | 2009-12-02 | 新日本製鐵株式会社 | 加工部耐食性に優れる溶融めっき鋼材 |
| KR101535073B1 (ko) * | 2012-08-01 | 2015-07-10 | 동국제강주식회사 | 가공성 및 내식성이 우수한 아연-알루미늄계 합금도금강판의 제조방법 |
-
2014
- 2014-12-12 KR KR1020140179711A patent/KR101692118B1/ko active Active
-
2015
- 2015-12-11 WO PCT/KR2015/013619 patent/WO2016093667A1/ko not_active Ceased
- 2015-12-11 AU AU2015362106A patent/AU2015362106B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002322527A (ja) * | 2001-04-25 | 2002-11-08 | Nippon Steel Corp | Al−Zn−Mg系合金めっき鉄鋼製品 |
| JP2011514935A (ja) * | 2008-03-13 | 2011-05-12 | ブルースコープ・スティール・リミテッド | 金属被覆スチールストリップ |
| KR101308168B1 (ko) * | 2011-05-27 | 2013-09-12 | 동부제철 주식회사 | 도금 조성물, 이를 이용한 도금 강재의 제조방법 및 도금 조성물이 코팅된 도금 강재 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022501508A (ja) * | 2018-09-27 | 2022-01-06 | ポスコPosco | 溶接液化脆性に対する抵抗性及びめっき密着性に優れた高耐食めっき鋼板 |
| WO2020130482A1 (ko) * | 2018-12-19 | 2020-06-25 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
| KR20200076585A (ko) * | 2018-12-19 | 2020-06-29 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
| KR20220019003A (ko) * | 2018-12-19 | 2022-02-15 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
| KR20230090012A (ko) * | 2021-12-14 | 2023-06-21 | 현대제철 주식회사 | 열간 프레스용 강판 및 이를 이용하여 제조된 핫 스탬핑 부품 |
| WO2023113099A1 (ko) * | 2021-12-14 | 2023-06-22 | 현대제철 주식회사 | 열간 프레스용 강판 및 이를 이용하여 제조된 핫 스탬핑 부품 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2015362106B2 (en) | 2021-04-29 |
| WO2016093667A1 (ko) | 2016-06-16 |
| KR101692118B1 (ko) | 2017-01-17 |
| AU2015362106A1 (en) | 2017-07-06 |
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