KR890010286A - Manufacturing method of high corrosion resistant ternary alloy electroplated steel sheet - Google Patents

Manufacturing method of high corrosion resistant ternary alloy electroplated steel sheet Download PDF

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Publication number
KR890010286A
KR890010286A KR1019870015123A KR870015123A KR890010286A KR 890010286 A KR890010286 A KR 890010286A KR 1019870015123 A KR1019870015123 A KR 1019870015123A KR 870015123 A KR870015123 A KR 870015123A KR 890010286 A KR890010286 A KR 890010286A
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KR
South Korea
Prior art keywords
steel sheet
ternary alloy
manufacturing
corrosion resistant
high corrosion
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Application number
KR1019870015123A
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Korean (ko)
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KR900003379B1 (en
Inventor
김태엽
진영술
Original Assignee
정명식
포항종합제철 주식회사
박태준
재단법인 산업과학기술연구소
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Priority to KR1019870015123A priority Critical patent/KR900003379B1/en
Publication of KR890010286A publication Critical patent/KR890010286A/en
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Publication of KR900003379B1 publication Critical patent/KR900003379B1/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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc

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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

고 내식성 3원계 합금전기도금 강판의 제조방법Manufacturing method of high corrosion resistant ternary alloy electroplated steel sheet

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

제 1도는 도금층중의 Cr함량에 따른 염소분무시험결과를 나타낸 그래프.1 is a graph showing the results of chlorine spray test according to the Cr content in the plating layer.

제 2도는 도금층중의 Cr함량에 따른 인산염 결정의 확대 조직사진.2 is an enlarged structure photograph of phosphate crystals according to Cr content in the plating layer.

Claims (2)

염화물로 구성된 도금욕으로 Zn+2,Ni+2, Cr+3이온의 총량이 60-150g/l, (Zn+2)/[(Ni+2)+(Cr+2)]의 비가 2.5-13.3, (Ni+2)/(Cr+3)의 비가 5-30, Cl-이온의 농도가 240-310g/l인 조건으로 도금액을 제조한 후, 30-100A/d㎡의 전류밀도로 전기도금하여 도금층조성이 10-15%의 Ni, 0.001-0.01%의 Cr 및 나머지는 Zn으로 조성시킴을 특징으로 하는 고내식성 3원계 합금전기도금 강판의 제조방법A plating bath composed of chloride, with the total amount of Zn +2, Ni +2 and Cr +3 ions being 60-150 g / l, and the ratio of (Zn +2 ) / [(Ni +2 ) + (Cr +2 )] 2.5- 13.3, (Ni +2) / ( Cr +3) in the ratio of 5-30, at a current density of l- C after the concentration of the ion to prepare a plating solution as 240-310g / l of the conditions, 30-100A / d㎡ Electroplating method for producing a highly corrosion-resistant ternary alloy electroplating steel sheet characterized in that the plating layer composition is composed of 10-15% Ni, 0.001-0.01% Cr and the rest Zn. 1항에 있어서, 도금액의 Cr은 3가 이온의 형태인 것을 특징으로 하는 방법.The method of claim 1 wherein Cr of the plating liquid is in the form of trivalent ions. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870015123A 1987-12-28 1987-12-28 Method to make an electrical plating steel sheet of 3-base metals alloy with a high inhibiting corrosion KR900003379B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870015123A KR900003379B1 (en) 1987-12-28 1987-12-28 Method to make an electrical plating steel sheet of 3-base metals alloy with a high inhibiting corrosion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870015123A KR900003379B1 (en) 1987-12-28 1987-12-28 Method to make an electrical plating steel sheet of 3-base metals alloy with a high inhibiting corrosion

Publications (2)

Publication Number Publication Date
KR890010286A true KR890010286A (en) 1989-08-07
KR900003379B1 KR900003379B1 (en) 1990-05-16

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KR1019870015123A KR900003379B1 (en) 1987-12-28 1987-12-28 Method to make an electrical plating steel sheet of 3-base metals alloy with a high inhibiting corrosion

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100419659B1 (en) * 1999-12-20 2004-02-25 주식회사 포스코 A plating solution for blackening zinc-nickel alloy coated steel sheet and electroplating method for zinc-nickel steel sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100419659B1 (en) * 1999-12-20 2004-02-25 주식회사 포스코 A plating solution for blackening zinc-nickel alloy coated steel sheet and electroplating method for zinc-nickel steel sheet

Also Published As

Publication number Publication date
KR900003379B1 (en) 1990-05-16

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