KR970043326A - 광택도가 우수한 전기 아연도금 강판 제조방법 - Google Patents

광택도가 우수한 전기 아연도금 강판 제조방법 Download PDF

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Publication number
KR970043326A
KR970043326A KR1019950068464A KR19950068464A KR970043326A KR 970043326 A KR970043326 A KR 970043326A KR 1019950068464 A KR1019950068464 A KR 1019950068464A KR 19950068464 A KR19950068464 A KR 19950068464A KR 970043326 A KR970043326 A KR 970043326A
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KR
South Korea
Prior art keywords
steel sheet
manufacturing
galvanized steel
plating
excellent gloss
Prior art date
Application number
KR1019950068464A
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English (en)
Other versions
KR100236181B1 (ko
Inventor
선우정호
변창세
Original Assignee
김종진
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 김종진, 포항종합제철 주식회사, 신창식, 재단법인 산업과학기술연구원 filed Critical 김종진
Priority to KR1019950068464A priority Critical patent/KR100236181B1/ko
Publication of KR970043326A publication Critical patent/KR970043326A/ko
Application granted granted Critical
Publication of KR100236181B1 publication Critical patent/KR100236181B1/ko

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Classifications

    • 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
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • 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
    • 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
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • 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)

Abstract

염화욕으로 전기 아연도금강판 제조시 펄스/리버스 전류를 사용하여 펄스 도금시의 높은전류밀도에 의해 도금층의 결정립을 미세화시키고 리버스 전류에 의하여 불균일하게 도금된 부분을 재용해하여 제거시킴으로써 종래의 일반직류전류를 사용할때 보다 도금층의 표면광택도를 향상시킬수 있다.

Description

광택도가 우수한 전기 아연도금 강판 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 염화욕으로 전기아연도금 강판을 제조함에 있어서, 도금시의 전류밀도를 100-250 A/dm2; 도금시간 및 용해시간이 각각 10 msec이상; 도금시간/(도금시간+용해시간)이 0.5이하인 조건으로 펄스/리버스 전류를 사용함을 특징으로 하는 광택도가 우수한 전기아연도금강판 제조방법.
KR1019950068464A 1995-12-30 1995-12-30 광택도가 우수한 전기 아연도금 강판 제조방법 KR100236181B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950068464A KR100236181B1 (ko) 1995-12-30 1995-12-30 광택도가 우수한 전기 아연도금 강판 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950068464A KR100236181B1 (ko) 1995-12-30 1995-12-30 광택도가 우수한 전기 아연도금 강판 제조방법

Publications (2)

Publication Number Publication Date
KR970043326A true KR970043326A (ko) 1997-07-26
KR100236181B1 KR100236181B1 (ko) 1999-12-15

Family

ID=19448085

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950068464A KR100236181B1 (ko) 1995-12-30 1995-12-30 광택도가 우수한 전기 아연도금 강판 제조방법

Country Status (1)

Country Link
KR (1) KR100236181B1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100909692B1 (ko) * 2001-12-12 2009-07-29 주식회사 포스코 표면 경도 및 표면 외관이 우수한 전기 아연도금 강판제조방법
KR100554755B1 (ko) * 2001-12-27 2006-02-24 주식회사 포스코 표면경도 및 외관이 우수한 전기아연도금강판 제조방법
KR102254372B1 (ko) * 2014-02-20 2021-05-24 엘지이노텍 주식회사 광택제 무첨가 광택도금방법

Also Published As

Publication number Publication date
KR100236181B1 (ko) 1999-12-15

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