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KR920010024A - Iron-zinc alloy plated steel sheet having excellent press formability and electrodeposition paintability with two plating layers and its manufacturing method - Google Patents

Iron-zinc alloy plated steel sheet having excellent press formability and electrodeposition paintability with two plating layers and its manufacturing method Download PDF

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Publication number
KR920010024A
KR920010024A KR1019910021424A KR910021424A KR920010024A KR 920010024 A KR920010024 A KR 920010024A KR 1019910021424 A KR1019910021424 A KR 1019910021424A KR 910021424 A KR910021424 A KR 910021424A KR 920010024 A KR920010024 A KR 920010024A
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iron
layer
steel sheet
zinc alloy
alloy
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마사루 사기야마
마사끼 아베
유끼마쓰 시오하라
중이찌 이나가끼
마사야 모리다
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사이도오 히로시
엔 케이 케이 코오포레이숀
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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
    • 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
    • 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
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • 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
    • C23C2/26—After-treatment
    • C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • 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
    • 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
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • 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
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/625—Discontinuous layers, e.g. microcracked layers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Coating With Molten Metal (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

내용 없음No content

Description

두가지 도금층을 가진 프레스 성형성 및 전착 도장성이 우수한 철-아연 합금 도금 강판 및 그 제조방법.Iron-zinc alloy coated steel sheet having a press forming property and electrodeposition paintability having two plating layers and a method of manufacturing the same.

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

제1도는 철-아연 합금 도금 강판의 프레스 성형성을 시험하기 위한 드로오 비이드(draw-bead)시험기의 개략 수직 단면도.1 is a schematic vertical cross-sectional view of a draw-bead tester for testing press formability of an iron-zinc alloy plated steel sheet.

Claims (7)

(1) 강판과, (2)이 강판의 적어도 한쪽 표면상에 형성되어 있고 철-아연 합금 용융 도금층에 대하여 하층으로서의 철-아연 합금 용융 도금층중의 철 함유량이 7~15wt.%범위내에 있으며 하층으로서의 철-아연 합금 용융 도금층의 도금량은 이 강판의 한쪽면당 30~120g/㎡ 범위내에 있는 하층으로서의 합금화 처리 철-아연 합금용융 도금층과, (3)하층으로서의 합금화 처리 철-아연 합금 용융 도금층위에 형성도어 있고 상층으로서의 철계 합금 전기도금층중의 철 함유량이 철계 합금 전기 도금층에 대하여 최소한 60wt.%인 상층으로서의 철계 합금 전기 도금층으로 구성되어 있고, ㉮상층으로서의 철계 합금 전기 도금층은 철계 합금 전기 도금층에 대하여 0.01~2wt.%범위내의 양의 균일히 분산된 실리카입자를 함유하고 ㉯상층으로서의 철계 합금 전기 도금층의도금량은 강판의 한쪽면당 1~10g/㎡범위내에 있음을 특징으로 하는 두가지 도금층을 가진 프레스 성형성 및 전착 도장성이 우수한 철-아연 합금 도금강판.(1) the steel sheet and (2) are formed on at least one surface of the steel sheet, and the iron content in the iron-zinc alloy hot dip layer as a lower layer is lower than 7-15 wt. The plating amount of the iron-zinc alloy hot-dip galvanizing layer as a lower layer was formed on the alloyed iron-zinc alloy hot-dip galvanizing layer as the lower layer in the range of 30 to 120 g / m 2 per one side of the steel sheet, and (3) the alloy-treated iron-zinc alloy hot-dip galvanizing layer as the lower layer. The iron content in the iron-based alloy electroplating layer as the upper layer with the door is composed of the iron-based alloy electroplating layer as the upper layer having at least 60 wt.% Of the iron-based alloy electroplating layer, and the iron-based alloy electroplating layer as the upper layer is 0.01 to the iron-based alloy electroplating layer. Plating of an iron-based alloy electroplating layer as a thin layer containing uniformly dispersed silica particles in a range of ˜2 wt.% Are one per side of the steel plate 1 ~ 10g / ㎡ press forming having two plating layers, characterized in that the range resistance and electrodeposition coatability is excellent iron-zinc alloy plated steel sheet. 제1항에 있어서 실리카 입자의 입자크기가 5nm~1μm범위내에 있는 철-아연 합금 도금 강판.The iron-zinc alloy plated steel sheet according to claim 1, wherein the particle size of the silica particles is in the range of 5 nm to 1 μm. 제1항에 있어서 상층으로서의 철계 합금 전기 도금층은 각각 실리카 입자를 함유하는 철-아연 합금, 철-인 합금 및 철-붕소 합금 중 한가지로 되어 있는 철-아연 합금 도금 강판.The iron-zinc alloy plated steel sheet according to claim 1, wherein the iron-based alloy electroplating layer as the upper layer is one of an iron-zinc alloy, an iron-phosphorus alloy, and an iron-boron alloy each containing silica particles. (1) 강판을 아연 용융 도금욕속을 통과시켜 강판에 아연 용융 도금처리를 함으로써 강판의 적어도 한쪽 표면 위에 아연 용융 도금층을 형성시킨 다음, (2) 아연 용융 도금층이 형성된 강판을 가열하여 아연 용융 도금층과 강판의 표면부분에 합금화 처리를 함으로써 강판의 적어도 한쪽 표면위에 7~15wt.%범위내의 철 함유량과 강판의 한쪽면당 30~120g/㎡ 의 도금량을 가지는 하층으로서의 합금화 처리 철-아연 합금 용융 도금층을 형성하고, (3)0.1~10g/ℓ 범위내의 량의 실리카 입자 및 100~20,000ppm범위내의 량의 질산이온을 함유하는 철계 합금 산성 전기 도금욕중에서 하층으로서의 합금화 처리 철-아연 합금 용융 도금층이 형성된 강판을 전기 도금하여 하층으로서의 합금화 처리 철-아연 합금 용융 도금층위에 0.01~2wt.%범위내의 량의 균일히 분산된 실리카 입자를 함유하고 적어도 60wt.%의 철 함유량 및 강판의 한쪽면당 1~10g/㎡범위내의 도금량을 가진 상층으로서의 철계 합금 전기 도금층을 형성하는 공정단계로 되어 있는 두가지 도금층을 가진 프레스 성형성 및 전착 도장성이 우수한 철-아연 합금 도금강판의 제조방법.(1) forming a zinc hot dip coating layer on at least one surface of the steel sheet by passing the steel sheet through a zinc hot dip bath, and then galvanizing the steel sheet. The alloying treatment on the surface portion of the steel sheet forms an alloyed iron-zinc alloy hot-dip coating layer as a lower layer having an iron content in the range of 7 to 15 wt.% On at least one surface of the steel sheet and a plating amount of 30 to 120 g / m 2 per side of the steel sheet. And (3) a steel sheet having an alloyed iron-zinc alloy hot-dipped layer as a lower layer in an iron-based alloy acidic electroplating bath containing silica particles in an amount ranging from 0.1 to 10 g / l and an nitrate ion in an amount ranging from 100 to 20,000 ppm. Electrolytically plated silica particles in a range of 0.01 to 2 wt.% On the alloyed iron-zinc alloy hot dip layer as a lower layer. Press formability and electrodeposition paintability with two plating layers which are in the process step of forming an iron-based alloy electroplating layer as an upper layer containing an iron content of at least 60 wt.% And a plating amount in the range of 1 to 10 g / m 2 per side of the steel sheet. Method for producing this excellent iron-zinc alloy plated steel sheet. 제4항에 있어서 실리카 입자의 입자크기가 5nm~1μm범위내에 있는 제조방법.The method according to claim 4, wherein the particle size of the silica particles is in the range of 5 nm to 1 μm. 제4항에 있어서 합금화 처리는 아연 용융 도금층이 형성된 강판을 470~520℃범위내의 온도를 가열하여 하층으로서의 합금화 처리 철-아연 합금 용융 도금층중의 철 함유량을 7~15wt.%범위내로 조정하는 공정단계로 되어 있는 제조방법.The method of claim 4, wherein the alloying process is a step of adjusting the iron content in the alloyed iron-zinc alloy hot-dip galvanizing layer as a lower layer by heating a temperature in the range of 470 to 520 ° C. in the steel plate on which the zinc hot-dip layer is formed. Manufacturing method in stages. 제4항에 있어서 상층으로서의 철계 합금 전기 도금층은 각각 실리카 입자를 함유하는 철-아연 합금, 철-인 합금 및 철-붕소 합금 중에서 한가지로 되어 있는 제조방법.The manufacturing method according to claim 4, wherein the iron-based alloy electroplating layer as the upper layer is one of an iron-zinc alloy, an iron-phosphorus alloy, and an iron-boron alloy each containing silica particles. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910021424A 1990-11-30 1991-11-27 Iron-zinc alloy plated steel sheet having excellent press formability and electrodeposition paintability with two plating layers and its manufacturing method Ceased KR920010024A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2338838A JPH04202797A (en) 1990-11-30 1990-11-30 Iron-based alloy coated steel sheet having multiple plating layers with excellent press formability and electrodeposition coating properties, and method for producing the same
JP90-338838 1990-11-30

Publications (1)

Publication Number Publication Date
KR920010024A true KR920010024A (en) 1992-06-26

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KR1019910021424A Ceased KR920010024A (en) 1990-11-30 1991-11-27 Iron-zinc alloy plated steel sheet having excellent press formability and electrodeposition paintability with two plating layers and its manufacturing method

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EP (1) EP0488408A1 (en)
JP (1) JPH04202797A (en)
KR (1) KR920010024A (en)
CA (1) CA2054786A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100276641B1 (en) * 1996-09-25 2001-01-15 이구택 Manufacturing method of automotive steel plate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114695A (en) * 1980-12-01 1982-07-16 Nisshin Steel Co Ltd Production of zinc plated steeel plate of superior blackening resistance and intergranular corrosion resistance
JPS59162294A (en) * 1983-03-08 1984-09-13 Nippon Steel Corp Zn-based double-layer plated steel sheet with excellent workability and its manufacturing method
JPS62247097A (en) * 1986-04-21 1987-10-28 Nippon Steel Corp Double layer galvanized sheet having superior build-up resistance
JPH0266148A (en) * 1988-08-30 1990-03-06 Sumitomo Metal Ind Ltd Multilayer plated steel sheet with excellent flaking resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100276641B1 (en) * 1996-09-25 2001-01-15 이구택 Manufacturing method of automotive steel plate

Also Published As

Publication number Publication date
JPH04202797A (en) 1992-07-23
EP0488408A1 (en) 1992-06-03
CA2054786A1 (en) 1992-05-31

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