KR950018601A - Manufacturing method of hot-dip galvanized steel sheet excellent in corrosion resistance and plating adhesion - Google Patents

Manufacturing method of hot-dip galvanized steel sheet excellent in corrosion resistance and plating adhesion Download PDF

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Publication number
KR950018601A
KR950018601A KR1019930029954A KR930029954A KR950018601A KR 950018601 A KR950018601 A KR 950018601A KR 1019930029954 A KR1019930029954 A KR 1019930029954A KR 930029954 A KR930029954 A KR 930029954A KR 950018601 A KR950018601 A KR 950018601A
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KR
South Korea
Prior art keywords
steel sheet
galvanized steel
hot
dip galvanized
corrosion resistance
Prior art date
Application number
KR1019930029954A
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Korean (ko)
Other versions
KR960009191B1 (en
Inventor
신정철
장세기
Original Assignee
조말수
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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Application filed by 조말수, 포항종합제철 주식회사, 백덕현, 재단법인산업과학기술연구소 filed Critical 조말수
Priority to KR1019930029954A priority Critical patent/KR960009191B1/en
Publication of KR950018601A publication Critical patent/KR950018601A/en
Application granted granted Critical
Publication of KR960009191B1 publication Critical patent/KR960009191B1/en

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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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C22C18/04—Alloys based on zinc with aluminium as the next major constituent
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon

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

Abstract

본 발명은 종래의 용융아연 도금라인에서 비교적 용이한 방법으로 아연도금강판의 내식성을 향상시키고자 제안된 것으로서, 도금강판 표면에 알루미늄을 부착시키는 방법을 이용하여 이층도금특성을 얻음으로써, 내식성 및 도금밀착성이 우수한 용융아연 도금강판의 제조방법을 제공하고자 하는데, 그 목적이 있다.The present invention is proposed to improve the corrosion resistance of galvanized steel sheet by a relatively easy method in the conventional hot-dip galvanizing line, by obtaining a two-layer plating characteristics using a method of attaching aluminum to the surface of the galvanized steel sheet, corrosion resistance and plating An object of the present invention is to provide a method for manufacturing a hot-dip galvanized steel sheet having excellent adhesion.

본 발명은 용융아연 도금강판의 제조방법에 있어서, 용융아연 도금강판 표면의 용융아연이 응고되기 직전에 알루미늄 분말을 상기 강판 표면에 분사하여 부착량이 100-1000mg/㎡이 되도록 부착시키고, 400-600℃의 온도에서 2-6초 동안 열처리하는 것을 특징으로 하는 내식성 및 도금밀착성이 우수한 용융아연도금강판의 제조방법에 관한 것을 그 요지로 한다.The present invention is a method of manufacturing a hot-dip galvanized steel sheet, the aluminum powder is sprayed on the surface of the steel sheet immediately before the molten zinc on the surface of the hot-dip galvanized steel sheet is solidified, the adhesion amount is attached to 100-1000mg / ㎡, 400-600 The gist of the present invention relates to a method for producing a hot-dip galvanized steel sheet having excellent corrosion resistance and plating adhesion, characterized by heat treatment at a temperature of 2 ° C. for 2-6 seconds.

Description

내식성 및 도금밀착성이 우수한 용융아연도금강판의 제조방법Manufacturing method of hot-dip galvanized steel sheet excellent in corrosion resistance and plating adhesion

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

제1도는 알루미늄 부착량에 따른 용융아연 도금강판의 적청발생시간을 나타내는 그래프.1 is a graph showing the time of red blue generation of hot-dip galvanized steel sheet according to the amount of aluminum deposition.

Claims (2)

용융아연 도금강판의 제조방법에 있어서, 용융아연 도금강판 표면의 용융아연이 응고되기 직전에 알루미늄 분말을 상기 강판 표면에 분사하여 부착량이 100-1000mg/㎡이 되도록 부착시키고, 400-600℃의 온도에서 2-6초 동안 열처리하는 것을 특징으로 하는 내식성 및 도금밀착성이 우수한 용융아연도금강판의 제조방법.In the manufacturing method of the hot-dip galvanized steel sheet, immediately before the molten zinc of the hot-dip galvanized steel sheet solidifies, the aluminum powder is sprayed on the surface of the steel sheet to be deposited so that the adhesion amount is 100-1000mg / ㎡, the temperature of 400-600 ℃ Method for producing a hot-dip galvanized steel sheet excellent in corrosion resistance and plating adhesion, characterized in that the heat treatment for 2-6 seconds. 제1항에 있어서, 상기 알루미늄분말의 입자크기가 5㎛이하인 것을 특징으로 하는 내식성 및 도금 밀착성이 우수한 용융아연 도금강판의 제조방법.The method of manufacturing a hot-dip galvanized steel sheet excellent in corrosion resistance and plating adhesion, characterized in that the particle size of the aluminum powder is 5㎛ or less. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930029954A 1993-12-27 1993-12-27 Method for manufacturing a hot-dipped zinc coating steel sheets with an excellent corrosion resistance and plating adhesion KR960009191B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930029954A KR960009191B1 (en) 1993-12-27 1993-12-27 Method for manufacturing a hot-dipped zinc coating steel sheets with an excellent corrosion resistance and plating adhesion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930029954A KR960009191B1 (en) 1993-12-27 1993-12-27 Method for manufacturing a hot-dipped zinc coating steel sheets with an excellent corrosion resistance and plating adhesion

Publications (2)

Publication Number Publication Date
KR950018601A true KR950018601A (en) 1995-07-22
KR960009191B1 KR960009191B1 (en) 1996-07-16

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Application Number Title Priority Date Filing Date
KR1019930029954A KR960009191B1 (en) 1993-12-27 1993-12-27 Method for manufacturing a hot-dipped zinc coating steel sheets with an excellent corrosion resistance and plating adhesion

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KR (1) KR960009191B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190099536A (en) * 2017-10-12 2019-08-27 닛폰세이테츠 가부시키가이샤 Zinc-based electroplated steel sheet

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101143037B1 (en) * 2010-12-28 2012-05-08 주식회사 포스코 Zn-plated steel sheet for hot press forming and method for manufacturing the same
KR101359161B1 (en) * 2011-06-28 2014-02-06 주식회사 포스코 Plated steel sheet for hot press forming having corrosion resistance
KR102010078B1 (en) * 2017-12-24 2019-08-12 주식회사 포스코 Galvannealed steel sheet having exellent hydrogen crack resistance and method for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190099536A (en) * 2017-10-12 2019-08-27 닛폰세이테츠 가부시키가이샤 Zinc-based electroplated steel sheet

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Publication number Publication date
KR960009191B1 (en) 1996-07-16

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