KR940014902A - 플래쉬 이층도금강판 제조방법 - Google Patents

플래쉬 이층도금강판 제조방법 Download PDF

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KR940014902A
KR940014902A KR1019920026505A KR920026505A KR940014902A KR 940014902 A KR940014902 A KR 940014902A KR 1019920026505 A KR1019920026505 A KR 1019920026505A KR 920026505 A KR920026505 A KR 920026505A KR 940014902 A KR940014902 A KR 940014902A
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South Korea
Prior art keywords
steel sheet
layer
flash
plated steel
lower layer
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Application number
KR1019920026505A
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English (en)
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KR950004786B1 (ko
Inventor
조용균
안덕수
김황식
Original Assignee
박득표
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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Priority to KR1019920026505A priority Critical patent/KR950004786B1/ko
Publication of KR940014902A publication Critical patent/KR940014902A/ko
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Publication of KR950004786B1 publication Critical patent/KR950004786B1/ko
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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
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • 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
    • 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
    • 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
    • C23C28/021—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 including at least one metal alloy layer
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Coating With Molten Metal (AREA)

Abstract

본 발명은 플래쉬이층도금강판의 제조방법에 관한 것이며, 특히 플래쉬이층도금강판의 하층을 이루는 합금화용융아연도금강판을 처리하는 방법에 관한 것이다.
본 발명의방법에 의하면 상층인 합금전기도금층을 형성하기 전에 하층을 전해 연마하여 평균조도가 0.4-0.7㎛로 되게함으로써 하층에서 많은 돌출부 및 각진부위를 가진 제타층을 제거하여 상층전기도금시에 전류의 국부적 집중을 방지하여, 그 결과 상층도금의 전착을 보다 균일하게 할 수가 있는 것이다.

Description

플래쉬 이층도금강판 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 하층도금층의 표면형상에 따라 상층도금층의 형성과정을 보여주는 확대조직사진.

Claims (1)

  1. 합금화용융아연도금강판을 하층으로 하고 그 상부에 철계합금 전기도금을 행하는 플래쉬전기도금강판의 제조에 있어서, 상층의 합금전기도금전에 하층인 합금화용융아연도금강판의 표면을 전기연마하여 평균조도가 0.4-0.7㎛되게 처리함을 특징으로 하는 플래쉬 전기도금강판 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920026505A 1992-12-30 1992-12-30 플래쉬 이층도금강판 제조방법 Expired - Fee Related KR950004786B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920026505A KR950004786B1 (ko) 1992-12-30 1992-12-30 플래쉬 이층도금강판 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920026505A KR950004786B1 (ko) 1992-12-30 1992-12-30 플래쉬 이층도금강판 제조방법

Publications (2)

Publication Number Publication Date
KR940014902A true KR940014902A (ko) 1994-07-19
KR950004786B1 KR950004786B1 (ko) 1995-05-10

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ID=19347640

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920026505A Expired - Fee Related KR950004786B1 (ko) 1992-12-30 1992-12-30 플래쉬 이층도금강판 제조방법

Country Status (1)

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KR (1) KR950004786B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100398171B1 (ko) * 2000-06-05 2003-09-19 주식회사 포스코 전기아연 도금강판 제조방법 및 전기아연 도금강판용화학연마용액

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100398171B1 (ko) * 2000-06-05 2003-09-19 주식회사 포스코 전기아연 도금강판 제조방법 및 전기아연 도금강판용화학연마용액

Also Published As

Publication number Publication date
KR950004786B1 (ko) 1995-05-10

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