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KR950018602A - 내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법 - Google Patents

내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법 Download PDF

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KR950018602A
KR950018602A KR1019930031065A KR930031065A KR950018602A KR 950018602 A KR950018602 A KR 950018602A KR 1019930031065 A KR1019930031065 A KR 1019930031065A KR 930031065 A KR930031065 A KR 930031065A KR 950018602 A KR950018602 A KR 950018602A
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KR
South Korea
Prior art keywords
steel sheet
hot
dip galvanized
corrosion resistance
galvanized steel
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KR1019930031065A
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KR960005829B1 (ko
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김종상
유봉환
신정철
Original Assignee
조말수
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/265—After-treatment by applying solid particles to the molten coating
    • 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
    • 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
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates

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

Abstract

본 발명은 Ti또는 Ni등의 금속 또는 금속염 분말을 용해한 인산염 수용액을 이용하여 스팡글을 미세화함으로써 내식성이 우수한 제로스팡글 용융아연도금강판을 제조하는 방법을 제공하고자 하는데 그 목적이 있다.
본 발명은 강판을 용융아연도금하는 단계; 및 상기 강판 표면의 용융아연이 응고하기 직전에 제로스팡글제를 용융아연도금강판의 제조방법에 있어서, 상기 제로 스팡글화 단계에서, 인산용액에 Ti, Ni 및 Ti(OH)2분말중 선택된 1종을 첨가하여 상기 금속농도를 10-50 g/ℓ, 인산이온농도를 1-5중량%, pH를 4-6이 되도록 조성된 제로스팡글화제 인상염제 수용액을 상기 강판에 분사하여 제로스팡글화 하는 것을 특징으로 하는 내식성이 우수한 제로스팡글 용융아연도금강판의 제조방법을 그 요지로 한다.

Description

내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 인산염 수용액중에 존재하는 각 인산이온의 pH에 따른 분포형태를 나타내는 그래프.

Claims (1)

  1. 강판을 용융아연도금하는 단계; 및 상기 강판 표면의 용융아연이 응고하기 직전에 제로스팡글화제를 상기 강판에 분무하여 제로스팡글화하는 단계를 포함하는 제로스팡글 용융아연도금강판의 제조방법에 있어서, 상기 제로스팡글화 단계에서, 인산용액에 Ti, Ni 및 Ti(OH)2분말중 선택된 1종을 첨가하여 상기 금속농도를 10-50g/l, 인산이온농도를 1-5중량%, pH를 4-6이 되도록 조성된 제로스팡글화제 인산염계 수용액을 상기 강판에 분사하여 제로스팡글화하는 것을 특징으로 하는 내식성이 우수한 제로스팡글 용융아연도금강판의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930031065A 1993-12-29 1993-12-29 내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법 Expired - Fee Related KR960005829B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930031065A KR960005829B1 (ko) 1993-12-29 1993-12-29 내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930031065A KR960005829B1 (ko) 1993-12-29 1993-12-29 내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법

Publications (2)

Publication Number Publication Date
KR950018602A true KR950018602A (ko) 1995-07-22
KR960005829B1 KR960005829B1 (ko) 1996-05-01

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KR1019930031065A Expired - Fee Related KR960005829B1 (ko) 1993-12-29 1993-12-29 내식성이 우수한 제로스팡글(zero-spangle)용융아연도금강판의 제조방법

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100701291B1 (ko) * 2005-05-13 2007-03-29 주식회사 엠.이.시 용융아연도금강판 제조를 위한 도금조직 미세화용액

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100701291B1 (ko) * 2005-05-13 2007-03-29 주식회사 엠.이.시 용융아연도금강판 제조를 위한 도금조직 미세화용액

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Publication number Publication date
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