KR920012528A - Double layer alloy plated steel sheet with excellent plating adhesion, phosphate treatment and water resistance, and manufacturing method - Google Patents

Double layer alloy plated steel sheet with excellent plating adhesion, phosphate treatment and water resistance, and manufacturing method Download PDF

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Publication number
KR920012528A
KR920012528A KR1019900022636A KR900022636A KR920012528A KR 920012528 A KR920012528 A KR 920012528A KR 1019900022636 A KR1019900022636 A KR 1019900022636A KR 900022636 A KR900022636 A KR 900022636A KR 920012528 A KR920012528 A KR 920012528A
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KR
South Korea
Prior art keywords
steel sheet
layer
zinc
iron
plated layer
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Application number
KR1019900022636A
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Korean (ko)
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KR920010778B1 (en
Inventor
이재륭
Original Assignee
정명식
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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Priority to KR1019900022636A priority Critical patent/KR920010778B1/en
Publication of KR920012528A publication Critical patent/KR920012528A/en
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Publication of KR920010778B1 publication Critical patent/KR920010778B1/en

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/565—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

내용 없음No content

Description

도금밀착성, 인산염처리성 및 내수밀착성이 우수한 이층 합금도금강판 및 그 제조방법Double layer alloy plated steel sheet with excellent plating adhesion, phosphate treatment and water resistance, and manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 철-아연-망간 상층도금층의 아연 및 망간함량에 따른 도금밀착성 및 표면외관을 나타낸 그래프, 제2도는 철-아연-망간 상층도금층의 아연 및 망간함량에 따른 내식성을 나타낸 그래프, 제3도는 철-아연-망간 상층도금층의 아연 및 망간함량에 따른 인산염 처리설을 나타낸 그래프.1 is a graph showing the plating adhesion and surface appearance according to the zinc and manganese content of the iron-zinc-manganese upper plating layer, Figure 2 is a graph showing the corrosion resistance according to the zinc and manganese content of the iron-zinc-manganese upper plating layer, Figure is a graph showing the treatment of phosphate according to the zinc and manganese content of the iron-zinc-manganese upper plating layer.

Claims (2)

제1도금층과 제2도금층을 갖는 이층도금강판에 있어서, 상기 제1도금층은 철(Fe)이 30중량% 미만인 아연-철-합금도금층으로서 강판편면상 10g/㎡ 이상이고, 상기 제2도금층은 5 내지 30중량%의 아연, 0.1내지 10중량%의 망간 및 잔부 철(Fe)로 이루어지는 철-아연-망간합금전기 도금층이고 그 도금부착량이 0.5g/㎡ 이상인 것을 특징으로 하는 도금밀착성, 인산염처리성 및 내수 밀착성이 우수한 이층 합금 도금강판.In a two-layer plated steel sheet having a first plated layer and a second plated layer, the first plated layer is a zinc-iron-alloy plated layer having an iron (Fe) of less than 30% by weight and is 10 g / m 2 or more on one side of the steel sheet, and the second plated layer is Plating adhesion, phosphate treatment, characterized in that the iron-zinc-manganese alloy electroplating layer consisting of 5 to 30% by weight of zinc, 0.1 to 10% by weight of manganese and the balance of iron (Fe), the coating adhesion is 0.5g / ㎡ or more Double-layered alloy plated steel sheet with excellent resistance to water and water. 강판표면에 제1도금층을 아연-철합금도금층을 형성하고, 이 제1도금층위에 제2도금층을 형성하는 이층합금 도금강판을 제조하는 방법에 있어서, 염산산성 전기철도금욕에 아연 및 망간이온을 함유하는 염산염을 첨가하여 제일 철이온, 아연이온, 망간이온의 총 농도가 0.5몰/ℓ 내지 용해도 한계이고, 총금속 이온농도중의 아연 및 망간이온량이 몰비로 1내지 40몰%이고, 염화물이온의 농도가 적어도 5.0몰/ℓ로 조성되는 염화몰 욕에서 pH가 1.0 내지 4.0이고, 전류 밀도가 20내지 250A/d㎡이고 그리고 상대유속이 20-200m/min인 전해조건하에서 전기도금하여 제2도금층을 형성시키는 것을 특징으로 하는 도금밀착성, 인산염처리성 및 내수밀착성이 우수한 이층합금 도금강판의 제조방법.A method of manufacturing a two-alloy plated steel sheet in which a first plated layer is formed on a surface of a steel sheet, and a zinc-iron alloy plated layer is formed, and a second plated layer is formed on the first plated layer. The total concentration of iron ions, zinc ions, and manganese ions is 0.5 mol / l to the solubility limit, and the zinc and manganese ions in the total metal ion concentration are 1 to 40 mol% in molar ratio. Second plating layer by electroplating under electrolytic conditions with a pH of 1.0 to 4.0, a current density of 20 to 250 A / dm 2 and a relative flow rate of 20-200 m / min in a molar chloride bath having a concentration of at least 5.0 mol / l. Method for producing a two-layer alloy plated steel sheet excellent in plating adhesion, phosphate treatment and water-resistant adhesion to form a. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900022636A 1990-12-31 1990-12-31 Excellant coating adhesive phosphate coating and water proof adhesive plating steel sheets and process for making KR920010778B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900022636A KR920010778B1 (en) 1990-12-31 1990-12-31 Excellant coating adhesive phosphate coating and water proof adhesive plating steel sheets and process for making

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900022636A KR920010778B1 (en) 1990-12-31 1990-12-31 Excellant coating adhesive phosphate coating and water proof adhesive plating steel sheets and process for making

Publications (2)

Publication Number Publication Date
KR920012528A true KR920012528A (en) 1992-07-27
KR920010778B1 KR920010778B1 (en) 1992-12-17

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KR1019900022636A KR920010778B1 (en) 1990-12-31 1990-12-31 Excellant coating adhesive phosphate coating and water proof adhesive plating steel sheets and process for making

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200115814A1 (en) * 2016-12-22 2020-04-16 Carl Freudenberg Kg Aqueous, alkaline electrolyte for depositing zinc-containing layers onto surfaces of metal piece goods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200115814A1 (en) * 2016-12-22 2020-04-16 Carl Freudenberg Kg Aqueous, alkaline electrolyte for depositing zinc-containing layers onto surfaces of metal piece goods
US11578419B2 (en) * 2016-12-22 2023-02-14 Cari, Freudenberg Kg Aqueous, alkaline electrolyte for depositing zinc-containing layers onto surfaces of metal piece goods

Also Published As

Publication number Publication date
KR920010778B1 (en) 1992-12-17

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