KR20170076546A - 미세하고 균일한 도금 조직을 갖는 도금 강판 - Google Patents
미세하고 균일한 도금 조직을 갖는 도금 강판 Download PDFInfo
- Publication number
- KR20170076546A KR20170076546A KR1020160157102A KR20160157102A KR20170076546A KR 20170076546 A KR20170076546 A KR 20170076546A KR 1020160157102 A KR1020160157102 A KR 1020160157102A KR 20160157102 A KR20160157102 A KR 20160157102A KR 20170076546 A KR20170076546 A KR 20170076546A
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- South Korea
- Prior art keywords
- plating layer
- cooling
- steel sheet
- plating
- layer
- Prior art date
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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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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- 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
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- 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
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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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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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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- C23C2/20—Strips; Plates
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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
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- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
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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
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- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12958—Next to Fe-base component
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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
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- 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
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
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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
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- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
- Y10T428/12979—Containing more than 10% nonferrous elements [e.g., high alloy, stainless]
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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
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Abstract
Description
도 2는 본 실시예에 따른 용융 아연 도금 장치의 나이프 구조를 도시한 개략적인 도면이다.
도 3은 본 실시예에 따른 용융 아연 도금 장치의 나이프에 대한 또다른 실시예를 도시한 개략적인 도면이다.
도 4는 본 실시예에 따른 나이프의 강판에 대한 접촉하중 제어 구조를 도시한 개략적인 도면이다.
도 5는 본 실시예에 따른 나이프의 팁부 구조 및 강판에 대한 배치 구조의 다양한 실시예를 도시한 개략적인 도면이다.
도 6은 본 실시예에 따른 용융 아연 도금 장치의 칠롤의 구조를 도시한 개략적인 도면이다.
도 7 내지 도 8은 본 실시예에 따른 용유 아연 도금 장치의 냉각부 구조를 도시한 개략적인 도면이다.
도 9와 도 10은 본 실시예에 따라 제조된 도금 강판의 표면 도금층 조직을 종래와 비교하여 나타낸 전자현미경 사진이다.
도 11은 비교예에 대해 냉각속도를 높인 경우의 도금층 단면 조직을 나타낸 전자현미경 사진이다.
도 12는 본 실시예에 따라 제조된 도금 강판의 도금층 특성을 종래와 비교하여 나타낸 도표이다.
도 13은 본 실시예에 따른 도 12의 비교예들과 실시예들에 대한 도금층 결정 구조 변화를 X-ray 회절 시험기를 이용하여 나타낸 도면이다.
도 14와 도 15는 본 실시예에 따른 도 11의 비교예들과 실시예들에 대한 도금층 단면 조직을 나타낸 전자현미경 사진이다.
도 16은 본 실시예에 따른 도금 강판에 대한 내식성 실험 결과를 종래와 비교하여 나타낸 도면이다.
도 17은 본 실시예에 따라 도금층 표면에 패턴이 형성된 도금 강판을 도시한 것이다.
| 도금층 | 조직1(%) | 조직2(%) | 조직3(%) |
| 두께 방향 전체에 대한 Zn 단상 분율(A) | 32.26 | 23.3 | 20.9 |
| 표층부에 대한 Zn 단상 분율(B) | 31.9 | 16.58 | 13.63 |
| B/A | 0.99 | 0.71 | 0.65 |
20,21 : 나이프 22 : 바디
23 : 회전체 24 : 팁부
25 : 구동벨트 26,42,64 : 유로
27 : 스텝모터 30 : 로드센서
32 : 제어부 34 : 구동부
40 : 칠롤 50 : 냉매공급부
60 : 냉각체 64 : 냉각롤
66 : 냉각벨트 68 : 구동실린더
Claims (9)
- 강판 상에 용융도금 후 접촉식 가압냉각으로 형성된 Zn계 도금층을 포함하고,
상기 Zn계 도금층은 평균 입도 5㎛ 이하인 Zn 단상 조직을 포함하고,
상기 도금층 내 Zn 단상 분포도 B/A가 0.5 내지 1.0의 조건을 만족하여, 도금층 두께 방향에 대해 Zn 단상이 균일한 분포로 형성된 미세하고 균일한 도금 조직을 갖는 도금 강판.
여기에서 A는 도금층 두께 방향에 대한 전체 Zn 단상의 분율이고, B는 도금층 외측 표층부에서의 Zn 단상 분율이다. - 제 1 항에 있어서,
상기 도금층의 Zn 단상의 분율은 15 내지 40 면적%인 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 2 항에 있어서,
상기 도금층의 스팽글 크기는 300 내지 500㎛인 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 도금층은 표면에 접촉식 가압 냉각 패턴을 가지는 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 4 항에 있어서,
상기 접촉식 가압 냉각 패턴은, 직조된 천의 형태, 그물 형태 또는 불규칙하게 선이 얽혀있는 형태인 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 도금층은 Mg 성분을 더 포함하고,
상기 도금층 내에 MgZn2상을 포함하는 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 6 항에 있어서,
상기 MgZn2상의 (112)/(201) 비율이 0.6 이상으로 형성된 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 7 항에 있어서,
상기 도금층은 Al 성분을 더 포함하는 Zn-Al-Mg 합금 도금층인 미세하고 균일한 도금 조직을 갖는 도금 강판. - 제 7 항에 있어서,
상기 도금층 두께는 5 내지 50㎛ 인 미세하고 균일한 도금 조직을 갖는 도금 강판.
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| US16/064,804 US11168389B2 (en) | 2015-12-24 | 2016-12-23 | Plated steel sheet having fine and even plating structure |
| EP16879397.4A EP3396009B1 (en) | 2015-12-24 | 2016-12-23 | Plated steel sheet having fine and even plating structure and plated steel sheet manufacturing method |
| PCT/KR2016/015164 WO2017111530A1 (ko) | 2015-12-24 | 2016-12-23 | 미세하고 균일한 도금 조직을 갖는 도금 강판 및 도금강판 제조 방법 |
| JP2018532720A JP6876053B2 (ja) | 2015-12-24 | 2016-12-23 | 微細で均一なメッキ組織を有するメッキ鋼板およびメッキ鋼板の製造方法 |
| CN201680079915.3A CN108779542B (zh) | 2015-12-24 | 2016-12-23 | 具有微小且均匀的镀层组织的镀层钢板及镀层钢板制造方法 |
| JP2021034487A JP7093866B2 (ja) | 2015-12-24 | 2021-03-04 | 微細で均一なメッキ構成を有するメッキ鋼板 |
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| KR101758529B1 (ko) | 2014-12-24 | 2017-07-17 | 주식회사 포스코 | 인산염 처리성과 스폿 용접성이 우수한 아연합금도금강판 및 그 제조방법 |
| EP3369838B1 (en) | 2015-10-26 | 2019-08-21 | Posco | Zinc alloy plated steel sheet having excellent bending workability and manufacturing method therefor |
| JP2017104987A (ja) | 2015-12-07 | 2017-06-15 | 倉敷紡績株式会社 | ポリオレフィン系繊維強化樹脂積層シート |
| KR101711856B1 (ko) | 2015-12-24 | 2017-03-03 | 주식회사 포스코 | 도금 장치 및 도금 방법 |
| KR101847567B1 (ko) | 2015-12-24 | 2018-04-10 | 주식회사 포스코 | 미세하고 균일한 도금 조직을 갖는 도금 강판 |
-
2016
- 2016-11-24 KR KR1020160157102A patent/KR101847567B1/ko active Active
- 2016-12-23 US US16/064,804 patent/US11168389B2/en active Active
- 2016-12-23 JP JP2018532720A patent/JP6876053B2/ja active Active
- 2016-12-23 EP EP16879397.4A patent/EP3396009B1/en active Active
- 2016-12-23 CN CN201680079915.3A patent/CN108779542B/zh active Active
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- 2021-03-04 JP JP2021034487A patent/JP7093866B2/ja active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165331A (zh) * | 2018-09-28 | 2021-07-23 | Posco公司 | 电工钢板制品的制造方法 |
| CN113165331B (zh) * | 2018-09-28 | 2023-11-14 | 浦项股份有限公司 | 电工钢板制品的制造方法 |
| US12251922B2 (en) | 2018-09-28 | 2025-03-18 | Posco Co., Ltd | Method for manufacturing electrical steel sheet product |
| KR20250170828A (ko) | 2024-05-29 | 2025-12-08 | 주식회사 포스코 | 에어나이프 각도조절장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3396009A1 (en) | 2018-10-31 |
| JP2018538446A (ja) | 2018-12-27 |
| US20180371598A1 (en) | 2018-12-27 |
| JP7093866B2 (ja) | 2022-06-30 |
| EP3396009A4 (en) | 2019-01-16 |
| JP6876053B2 (ja) | 2021-05-26 |
| KR101847567B1 (ko) | 2018-04-10 |
| EP3396009B1 (en) | 2024-02-07 |
| JP2021091973A (ja) | 2021-06-17 |
| CN108779542B (zh) | 2020-08-14 |
| US11168389B2 (en) | 2021-11-09 |
| CN108779542A (zh) | 2018-11-09 |
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