JP6974467B2 - 多層構造のめっき鋼板及びその製造方法 - Google Patents
多層構造のめっき鋼板及びその製造方法 Download PDFInfo
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- JP6974467B2 JP6974467B2 JP2019533483A JP2019533483A JP6974467B2 JP 6974467 B2 JP6974467 B2 JP 6974467B2 JP 2019533483 A JP2019533483 A JP 2019533483A JP 2019533483 A JP2019533483 A JP 2019533483A JP 6974467 B2 JP6974467 B2 JP 6974467B2
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- layer
- steel sheet
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- plating
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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
- 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
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- 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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- 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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- B32B15/00—Layered products comprising a layer of metal
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- 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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- 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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- 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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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
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- Physical Vapour Deposition (AREA)
Description
上記素地鋼板上に形成された第1Zn層と、
上記第1Zn層上に形成された第2Mg層と、
上記第2Mg層上に形成された第3Zn層と、を含み、上記第2Mg層は非晶質相である、多層構造のめっき鋼板を提供する。
上記素地鋼板上に第1Zn層を形成する段階と、
上記第1Zn層上に第2Mg層を形成する段階と、
上記第2Mg層上に第3Zn層を形成する段階と、を含み、
上記第2Mg層及び第3Zn層は真空蒸着法で形成し、素地鋼板の温度は50〜120℃である、多層構造のめっき鋼板の製造方法を提供する。
素地鋼板として一般冷延鋼板を準備し、通常の電気亜鉛めっきで第1Zn層を形成した。
○:色変化なし、×:表面黒化発生
120時間以上:OK、120時間未満:NG
次に、実施例1と同一の条件で、第1Zn層、第2Mg層及び第3Zn層をそれぞれ1、1、3μmの厚さに製造した。但し、第2Mg層と第3Zn層を真空蒸着する際の基板温度を室温から160℃まで異ならせて、第3Zn層のZn拡散度を調節してめっき鋼板を製造した。
Claims (4)
- 素地鋼板と、
前記素地鋼板上に形成された第1Zn層と、
前記第1Zn層上に形成された第2Mg層と、
前記第2Mg層上に形成された第3Zn層と、を含み、
前記第2Mg層は非晶質相であり、
前記第2Mg層はZn−Mg非晶質相及びナノ結晶状のZn−Mg合金相のうち一つ以上を含み、
前記Zn−Mg非晶質相及びナノ結晶状のZn−Mg合金相に含まれているZnの含量が前記第2Mg層に対する重量%で20〜60重量%であり、
前記第1Zn層の厚さは1〜3μm、
前記第2Mg層の厚さは0.5〜1.5μmであり、
前記第3Zn層の厚さは1〜3μmである、
多層構造のめっき鋼板。 - 素地鋼板を準備する段階と、
前記素地鋼板上に第1Zn層を形成する段階と、
前記第1Zn層上に第2Mg層を形成する段階と、
前記第2Mg層上に第3Zn層を形成する段階と、を含み、
前記第2Mg層及び第3Zn層は真空蒸着法で形成し、素地鋼板の温度は50〜120℃である、請求項1に記載の多層構造のめっき鋼板の製造方法。 - 前記第1Zn層は、溶融めっき、電気めっき、及び真空蒸着から選択されたいずれか一つの方法で形成する、請求項2に記載の製造方法。
- 前記第2Mg層及び第3Zn層を真空蒸着する際のチャンバーの真空度は、1×10−5〜1×10−2mbarである、請求項2に記載の製造方法。
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KR1020160177198A KR101867732B1 (ko) | 2016-12-22 | 2016-12-22 | 다층구조의 도금강판 및 그 제조방법 |
PCT/KR2017/015275 WO2018117701A1 (ko) | 2016-12-22 | 2017-12-21 | 다층구조의 도금강판 및 그 제조방법 |
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US20200080205A1 (en) | 2020-03-12 |
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