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KR950000915A - Manufacturing method of galvanized steel sheet - Google Patents

Manufacturing method of galvanized steel sheet Download PDF

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Publication number
KR950000915A
KR950000915A KR1019940014450A KR19940014450A KR950000915A KR 950000915 A KR950000915 A KR 950000915A KR 1019940014450 A KR1019940014450 A KR 1019940014450A KR 19940014450 A KR19940014450 A KR 19940014450A KR 950000915 A KR950000915 A KR 950000915A
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steel sheet
plating layer
layer
alloy
alloy plating
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KR1019940014450A
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Korean (ko)
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KR970000190B1 (en
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마사키 아베
사토루 안도
토요후미 와타나베
유키미쓰 시오하라
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미요시 슌기치
니홍고오깡 가부시키가이샤
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Priority claimed from JP5158503A external-priority patent/JPH0711409A/en
Priority claimed from JP5218565A external-priority patent/JPH0770788A/en
Priority claimed from JP5311937A external-priority patent/JPH0770763A/en
Application filed by 미요시 슌기치, 니홍고오깡 가부시키가이샤 filed Critical 미요시 슌기치
Publication of KR950000915A publication Critical patent/KR950000915A/en
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C28/00Coating 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
    • C23C28/02Coating 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
    • C23C28/021Coating 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0426Hot rolling
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/026Deposition of sublayers, e.g. adhesion layers or pre-applied alloying elements or corrosion protection
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06Zinc or cadmium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C28/00Coating 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
    • C23C28/02Coating 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
    • C23C28/023Coating 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 only coatings of metal elements only
    • C23C28/025Coating 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 only coatings of metal elements only with at least one zinc-based layer
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/12Electroplating: Baths therefor from solutions of nickel or cobalt
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48After-treatment of electroplated surfaces
    • C25D5/50After-treatment of electroplated surfaces by heat-treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436Cold rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0478Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular surface treatment

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Coating With Molten Metal (AREA)

Abstract

본 발명은 강판의 적어도 한쪽의 표면에 P를 -15wt% 함유하는 Ni-P 합금도금층을 형성하는 공정과, 이 합금도금층이 형성된 강판을 비산화성분위기에서 열처리하여 그 강판과 합금도금층의 계면에 Fe-Ni-P계의 확산합금영역을 형성하는 공정과 그리고 동 확산합금영역이 형성된 강판에 아연도금을 하여 아연도금층을 형성하는 공정으로 이루어지는 아연도금강판의 제조방법에 관한 것이다.The present invention provides a process for forming a Ni-P alloy plating layer containing -15 wt% of P on at least one surface of a steel sheet, and heat treating the steel sheet on which the alloy plating layer is formed in a non-oxidizing atmosphere to form Fe at the interface between the steel sheet and the alloy plating layer. The present invention relates to a method of manufacturing a galvanized steel sheet comprising a process of forming a diffusion alloy region of a Ni-P system and a process of forming a zinc plating layer by galvanizing a steel sheet on which the copper diffusion alloy region is formed.

Description

아연도금 강판의 제조방법Manufacturing method of galvanized steel sheet

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

Claims (59)

강판의 적어도 한 쪽의 표면에 P를 8-25wt% 함유하는 Ni-P 합금도금층을 형성하는 공정과, 상기 합금도금층이 형성된 강판을 비산화성분위기에서 열처리하여 그 강판과 합금 도금층의 계면에 Fe-Ni-P계의 확산합금영역을 형성하는 공정과, 상기 확산합금영역이 형성된 강판에 용융아연도금을 하여 용융아연도금층을 형성하는 공정으로 이루어지는 것을 특징으로 하는 아연도금강판의 제조방법.Forming a Ni-P alloy plating layer containing 8-25 wt% of P on at least one surface of the steel sheet; and heat-treating the steel sheet on which the alloy plating layer is formed in a non-oxidizing atmosphere to form Fe- at the interface between the steel sheet and the alloy plating layer. A process of forming a Ni-P based diffusion alloy region, and a process of forming a hot dip galvanized layer by hot-dip galvanizing the steel sheet on which the diffusion alloy region is formed. 제1항에 있어서, 상기 Ni-P 합금 도금층은 P를 10-13wt% 함유하는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 1, wherein the Ni-P alloy plating layer contains 10-13wt% of P. 제1항에 있어서, 상기 합금도금층을 형성하는 공정은 P를 8-15wt% 함유하며, 또한 W, Mo, Cr과 Cu로 이루어지는 그룹중에서 선택된 적어도 하나를 15wt%까지 함유하는 Ni-P계 합금도금층을 형성하는 공정을 포함하는 것을 특징으로 하는 아연도금강판의 제조방법.The Ni-P alloy plating layer according to claim 1, wherein the step of forming the alloy plating layer contains 8-15 wt% of P and at least 15 wt% of at least one selected from the group consisting of W, Mo, Cr and Cu. Method for producing a galvanized steel sheet comprising the step of forming a. 제3항에 있어서, 상기 합금도금층은 Ni, P와 Cr로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 3, wherein the alloy plating layer is a plating layer made of Ni, P, and Cr. 제3항에 있어서, 상기 합금도금층은 Ni, P와 Mo으로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.4. The method of claim 3, wherein the alloy plating layer is a plating layer made of Ni, P, and Mo. 제3항에 있어서, 상기 합금도금층은 Ni, P, Cr과 Mo으로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 3, wherein the alloy plating layer is a plating layer made of Ni, P, Cr, and Mo. 제3항에 있어서, 상기 합금도금층은 Ni, P와 W으로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 3, wherein the alloy plating layer is a plating layer made of Ni, P, and W. 제3항에 있어서, 상기 합금도금층은 Ni, P와 Cu로 이루어지는 도금층인 것을 특징으로 하는 아연 도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 3, wherein the alloy plating layer is a plating layer made of Ni, P, and Cu. 제1항에 있어서, 상기 Ni-P 합금도금층은 0.5-9g/㎡의 도금량인 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 1, wherein the Ni-P alloy plating layer has a plating amount of 0.5-9 g / m 2. 제1항에 있어서, 상기 Ni-P 합금도금층은 전기도금에 의해 형성되는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 1, wherein the Ni-P alloy plating layer is formed by electroplating. 제1항에 있어서, 상기 Ni-P 합금도금층은 무전해도금에 의해 형성되는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 1, wherein the Ni-P alloy plating layer is formed by electroless plating. 제1항에 있어서, 상기 열처리는 500~800℃의 최고도달온도, 1~30초의 보지시간으로 행하여 지는 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 1, wherein the heat treatment is performed at a maximum reaching temperature of 500 to 800 ° C and a holding time of 1 to 30 seconds. 제 1 항에 있어서,상기 확산합금영역은 0.1 -20㎛의 깊이를 가지는 것을 특지응로 하는 아연도금강판의 제조방법.The method of claim 1, wherein the diffusion alloy region has a depth of 0.1-20 μm. 제1항에 있어서, 상기 용융아연도금층은 20~120g/㎡의 부착량인 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 1, wherein the hot-dip galvanized layer has a deposition amount of 20 ~ 120g / ㎡. 제1항에 있어서, 아연도금강판의 제조방법은 또한 용융아연도금층이 형성된 강판을 가열하여 그 도금층을 합금화시키는 공정을 갖는 것을 특징으로 하는 아연도금강판의 제조방법.The method for producing a galvanized steel sheet according to claim 1, further comprising a step of heating the steel sheet on which the hot dip galvanized layer is formed to alloy the plated layer. 냉연강판의 적어도 한 쪽의 표면에 P를 8-15wt% 함유하는 Ni-P 합금도금층을 형성하는 공정과, 상기 합금도금층의 형성된 강판을 비산화성분위기에 열처리하여그 강판과 합금도금층의 계면에 Fe-Ni-P계의 확산합금영역을 형성하는 공정과, 확산합금영역이 형성된 강판에 전기아연도금을 하여 전이가연도금층을 형성하는 공정으로 이루어지는 것을 특징으로 하는 아연도금강판의 제조방법.Forming a Ni-P alloy plated layer containing 8-15 wt% of P on at least one surface of the cold rolled steel sheet; and heat-treating the formed steel plate of the alloy plated layer in a non-oxidizing atmosphere to form an Fe on the interface between the steel plate and the alloy plated layer. And a process of forming a Ni-P based diffusion alloy region and a process of forming a transitionally combustible layer by electroplating the steel sheet on which the diffusion alloy region is formed. 제16항에 있어서, 상기 합금도금층은 형성하는 공정은 P를 8-15wt% 함유하며 또한 W, Mo과 Cu로 이루어진 그룹중에서 선택된 적어도 하나를 15wt%까지 함유하는 Ni-P계 합금도금층을 형성하는 공정을 포함하는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 16, wherein the alloy plating layer is formed to form a Ni-P-based alloy plating layer containing 8-15wt% of P and containing up to 15wt% of at least one selected from the group consisting of W, Mo and Cu. Method for producing a galvanized steel sheet comprising a step. 제17항에 있어서, 상기 합금도금층은 Ni, P와 Cu로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.18. The method of manufacturing a galvanized steel sheet according to claim 17, wherein the alloy plating layer is a plating layer made of Ni, P, and Cu. 제17항에 있어서, 상기 합금도금층은 Ni, P와 Mo으로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법18. The method of manufacturing a galvanized steel sheet according to claim 17, wherein the alloy plating layer is a plating layer made of Ni, P, and Mo. 제17항에 있어서, 상기 합금도금층은 Ni, P와 W으로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법18. The method of manufacturing a galvanized steel sheet according to claim 17, wherein the alloy plating layer is a plating layer made of Ni, P, and W. 제16항에 있어서, 상기 전기아연도금층은 Zn을 메트릭스로 하고 Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al의 산화물로 이루어지는 그룹에서 선택된 적어도 하나를 합금으로서 함유하는 것을 특징으로 하는 아연도금강판의 제조방법.17. The method of claim 16, wherein the electrogalvanized layer is Zn as a matrix and contains at least one selected from the group consisting of oxides of Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al as an alloy. Method for producing galvanized steel sheet. 제21항에 있어서, 상기 전기아연도금층은 Zn과 Ni로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.22. The method of manufacturing a galvanized steel sheet according to claim 21, wherein the electrogalvanized layer is a plated layer made of Zn and Ni. 제21항에 있어서, 상기 전기아연도금층은 Zn과 Fe로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.22. The method of manufacturing a galvanized steel sheet according to claim 21, wherein the electrogalvanized layer is a plated layer made of Zn and Fe. 제21항에 있어서, 상기 전기아연도금층은 Zn과 Cr로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.22. The method of manufacturing a galvanized steel sheet according to claim 21, wherein the electrogalvanized layer is a plated layer made of Zn and Cr. 제21항에 있어서, 상기 전기아연도금층은 Zn과 Mn로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.22. The method of manufacturing a galvanized steel sheet according to claim 21, wherein the electrogalvanized layer is a plated layer made of Zn and Mn. 제16항에 있어서, 상기 전기아연도금층은 Zn을 메트릭스로 하고 Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al의 산화물로 이루어지는 그룹에서 선택된 적어도 하나를 분산입자(分散粒子)로서 함유하는 것을 특징으로 하는 아연도금강판의 제조방법.17. The method of claim 16, wherein the electrogalvanized layer is formed of Zn as a matrix and at least one selected from the group consisting of oxides of Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al as dispersed particles. Method for producing a galvanized steel sheet, characterized in that it contains. 제26항에 있어서, 상기 전기 아연도금층은 Zn과 Cr산화물로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.27. The method of claim 26, wherein the electrogalvanized layer is a plated layer made of Zn and Cr oxide. 제26항에 있어서, 상기 전기 아연도금층은 Zn과 Si산화물로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.27. The method of claim 26, wherein the electrogalvanized layer is a plated layer made of Zn and Si oxide. 제26항에 있어서, 상기 전기 아연도금층은 Zn과 Ti산화물로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.27. The method of claim 26, wherein the electrogalvanized layer is a plated layer made of Zn and Ti oxide. 제16항에 있어서, 상기 Ni-P 합금도금층은 10-13wt% 함유하는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 16, wherein the Ni-P alloy plating layer contains 10-13wt%. 제16항에 있어서, 상기 Ni-P 합금도금층은 0.1-8q/㎡의 도금량을 갖는 것을 특징으로 하는 아연도금강판의 제조방법.17. The method of claim 16, wherein the Ni-P alloy plating layer has a plating amount of 0.1-8 q / m 2. 제16항에 있어서, 상기 Ni-P 합금도금층은 전기도금에 의해 형성되는 것을 특징으로 하는 아연도금강판의 제조방법.17. The method of claim 16, wherein the Ni-P alloy plating layer is formed by electroplating. 제16항에 있어서, 상기 Ni-P 합금도금층은 무전해도금에 의해 형성되는 것을 특징으로 하는 아연도금강판의 제조방밥.17. The method of claim 16, wherein the Ni-P alloy plating layer is formed by electroless plating. 제16항에 있어서, 상기 열처리는 500-800℃의 최고도달온도, 1-120초의 보지시간으로 행해지는 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 16, wherein the heat treatment is performed at a maximum reaching temperature of 500 to 800 ° C and a holding time of 1 to 120 seconds. 제16항에 있어서, 상기 확산합금영역은 0.1-20㎛의 깊이를 갖는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 16, wherein the diffusion alloy region has a depth of 0.1-20㎛. 제16항에 있어서, 상기 전기아연도금층은 1-30q/㎡ 아연부착량을 갖는 것을 특징으로 하는 아연도금강판의 제조방법.17. The method of claim 16, wherein the galvanized layer has a zinc adhesion amount of 1-30q / m 2. 강판의 적어도 한 쪽면에 P를 8-15wt% 포함하는 Ni-P 합금도금층을 형성하는 공정과, 상기 합금도금층이 형성된 강판을 냉간압연하는 공정과, 상기 냉간압연된 강판을 비산화성분위기에서 열처리하여 그 강판과 합금도금층의 계면에 Fe-Ni-P계의 확산합금영역을 형성하는 공정과, 그리고 상기 확산합금영역이 형성된 강판에 아연도금층을 형성하는 공정으로 이루어지는 것을 특징으로 하는 아연도금강판의 제조방법.Forming a Ni-P alloy plating layer containing 8-15wt% of P on at least one side of the steel sheet; cold rolling the steel sheet on which the alloy plating layer is formed; and heat treating the cold rolled steel sheet in a non-oxidizing atmosphere. A process of forming a Fe-Ni-P based diffusion alloy region at the interface between the steel sheet and the alloy plating layer, and forming a zinc plated layer on the steel sheet on which the diffusion alloy region is formed. Way. 제37항에 있어서, 상기 Ni-P 합금도금층은 P를 10-13wt% 함유하는 것을 특징으로 하는 아연도금강판의 제조방법.38. The method of claim 37, wherein the Ni-P alloy plating layer contains 10-13 wt% of P. 제37항에 있어서, 상기 합금도금층을 형성하는 공정은 P를 8-18wt% 함유하고 또한 W , Mo, Cr과 Cu로 이루어지는 그룹에서 선택된 적어도 하나를 15wt%까지 함유하는 Ni-P계 합금도금층을 형성하는 공정을 포함하는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 37, wherein the forming of the alloy plating layer comprises a Ni-P alloy plating layer containing 8-18 wt% of P and containing up to 15 wt% of at least one selected from the group consisting of W, Mo, Cr, and Cu. Method for producing a galvanized steel sheet comprising the step of forming. 제39항에 있어서, 상기 합금도금층은 Ni, P와 Cr로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.40. The method of claim 39, wherein the alloy plating layer is a plating layer made of Ni, P, and Cr. 제39항에 있어서, 상기 합금도금층은 Ni, P와 Mo로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.40. The method of claim 39, wherein the alloy plating layer is a plating layer made of Ni, P, and Mo. 제39항에 있어서, 상기 합금도금층은 Ni, P, Cr과 Cu로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.40. The method of claim 39, wherein the alloy plating layer is a plating layer made of Ni, P, Cr, and Cu. 제39항에 있어서, 상기 합금도금층은 Ni, P와 W로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.40. The method of claim 39, wherein the alloy plating layer is a plating layer made of Ni, P, and W. 제39항에 있어서, 상기 합금도금층은 Ni, P와 Cu로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.40. The method of claim 39, wherein the alloy plating layer is a plating layer made of Ni, P, and Cu. 제39항에 있어서, 상기 Ni-P 합금도금층은 0.5-8q/㎡의 도금량을 갖는 것을 특징으로 하는 아연도금강판의 제조방법,40. The method of claim 39, wherein the Ni-P alloy plating layer has a plating amount of 0.5-8q / m 2. 제37항에 있어서, 상기 Ni-P 합금도금층은 전기도금에 의해 형성되는 것을 특징으로 하는 아연도금강판의 제조방법,38. The method of claim 37, wherein the Ni-P alloy plating layer is formed by electroplating. 제37항에 있어서, 상기 Ni-P 합금도금층은 무전해도금에 의해 형성되는 것을 특징으로 하는 아연도금강판의 제조방법,38. The method of claim 37, wherein the Ni-P alloy plating layer is formed by electroless plating. 제37항에 있어서, 상기 열처리는 500-800℃의 최고도달온도, 1-120초의 보지시간으로 행해지는 것을 특징으로 하는 아연도금강판의 제조방법.38. The method of manufacturing a galvanized steel sheet according to claim 37, wherein the heat treatment is performed at a maximum reaching temperature of 500-800 ° C and holding time of 1-120 seconds. 제37항에 있어서, 상기 확산합금영역은 0.1-20㎛의 깊이를 가지는 것을 특징으로 하는 아연도금강판의 제조방법.38. The method of claim 37, wherein the diffusion alloy region has a depth of 0.1-20 탆. 제37항에 있어서, 상기 아연도금층은 전기아연도금층으로서 Zn을 매트릭스로 하고 Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al의 합금으로 이루어지는 그룹에서 선택된 적어도 하나를 합금으로서 함유하는 것을 특징으로 하는 아연도금강판의 제조방법.38. The galvanized layer according to claim 37, wherein the galvanized layer contains Zn as a matrix and contains at least one selected from the group consisting of alloys of Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, and Al as an alloy. Method for producing a galvanized steel sheet, characterized in that. 제50에 있어서, 상기 전기아연도금층은 Zn와 Ni로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.51. The method of claim 50, wherein the electrogalvanized layer is a plated layer made of Zn and Ni. 제50항에 있어서, 상기 전기아연도금층은 Zn과 Fe로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.51. The method of claim 50, wherein the electrogalvanized layer is a plated layer made of Zn and Fe. 제5항에 있어서, 상기 전기아연도금층은 Zn과 Cr로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of manufacturing a galvanized steel sheet according to claim 5, wherein the electrogalvanized layer is a plated layer made of Zn and Cr. 제50항에 있어서, 상기 전기아연도금층은 Zn과 Mn로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.51. The method of claim 50, wherein the electrogalvanized layer is a plated layer made of Zn and Mn. 제37항에 있어서, 상기 아연도금층은 전기아연도금층으로서 Zn을 매트릭스로 하고 Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al의 산화물로 이루어지는 그룹에서 선택된 적어도 하나를 분산입자로서 함유하는 것을 특징으로 하는 아연도금강판의 제조방법38. The method of claim 37, wherein the galvanized layer is an electrogalvanized layer containing Zn as a matrix and containing at least one selected from the group consisting of oxides of Ni, Fe, Co, Cr, Mn, Ti, Mo, Si, Al as dispersed particles. Method for producing galvanized steel sheet, characterized in that 제55항에 있어서, 상기 전기아연도금층은 Zn과 Cr산화물로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 55, wherein the electrogalvanized layer is a plated layer made of Zn and Cr oxide. 제55항에 있어서, 상기 전기아연도금층은 Zn과 Si산화물로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 55, wherein the electrogalvanized layer is a plated layer made of Zn and Si oxide. 제55항에 있어서, 상기 전기아연도금층은 Zn과 Ti산화물로 이루어지는 도금층인 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 55, wherein the electrogalvanized layer is a plated layer made of Zn and Ti oxide. 제55항에 있어서, 상기 아연도금층은 10-50q/㎡의 아연부착량을 갖는 것을 특징으로 하는 아연도금강판의 제조방법.The method of claim 55, wherein the galvanized layer has a zinc deposition amount of 10-50q / ㎡. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940014450A 1993-06-02 1994-06-23 Method for producing zinc coated steel sheet KR970000190B1 (en)

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