WO2015099455A8 - Hot dip galvanized steel sheet having excellent resistance to cracking due to liquid metal embrittlement - Google Patents

Hot dip galvanized steel sheet having excellent resistance to cracking due to liquid metal embrittlement Download PDF

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Publication number
WO2015099455A8
WO2015099455A8 PCT/KR2014/012824 KR2014012824W WO2015099455A8 WO 2015099455 A8 WO2015099455 A8 WO 2015099455A8 KR 2014012824 W KR2014012824 W KR 2014012824W WO 2015099455 A8 WO2015099455 A8 WO 2015099455A8
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WO
WIPO (PCT)
Prior art keywords
steel sheet
liquid metal
molten zinc
zinc plated
metal bromide
Prior art date
Application number
PCT/KR2014/012824
Other languages
French (fr)
Korean (ko)
Other versions
WO2015099455A1 (en
Inventor
이주연
진광근
전선호
김종상
김명수
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to US15/108,263 priority Critical patent/US20160319415A1/en
Priority to EP14875617.4A priority patent/EP3088557B1/en
Priority to CN201480071104.XA priority patent/CN105849304A/en
Priority to JP2016543078A priority patent/JP6317453B2/en
Publication of WO2015099455A1 publication Critical patent/WO2015099455A1/en
Publication of WO2015099455A8 publication Critical patent/WO2015099455A8/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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/026—Deposition of sublayers, e.g. adhesion layers or pre-applied alloying elements or corrosion protection
    • 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
    • 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
    • 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

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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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Coating With Molten Metal (AREA)

Abstract

The objective of the present invention is to provide a molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide. One aspect of the present invention provides a molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide, the steel sheet comprising: a base steel sheet having a microstructure in which the fraction of austenite is greater than or equal to 90 area%; and a molten zinc plated layer formed on the base steel sheet, wherein the molten zinc plated layer comprises: a Fe-Zn alloy layer; and a Zn layer formed on the Fe-Zn alloy layer, and the Fe-Zn alloy layer provides a molten zinc plated steel sheet having a thickness of [(3.4×t)/6]㎛ or more with excellent crack resistance due to liquid metal bromide (where t is the thickness of the molten zinc plated steel sheet). The present invention can prevent a plated layer peeling phenomenon which easily occurs in common car welding and molding conditions, and can also provide a molten zinc plated steel sheet in which crack occurrence due to liquid metal bromide is suppressed.
PCT/KR2014/012824 2013-12-25 2014-12-24 Molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide WO2015099455A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/108,263 US20160319415A1 (en) 2013-12-25 2014-12-24 Hot dip galvanized steel sheet having excellent resistance to cracking due to liquid metal embrittlement
EP14875617.4A EP3088557B1 (en) 2013-12-25 2014-12-24 Hot dip galvanized steel sheet having excellent resistance to cracking due to liquid metal embrittlement
CN201480071104.XA CN105849304A (en) 2013-12-25 2014-12-24 Molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide
JP2016543078A JP6317453B2 (en) 2013-12-25 2014-12-24 Hot-dip galvanized steel sheet with excellent liquid metal embrittlement cracking resistance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130163336A KR101568543B1 (en) 2013-12-25 2013-12-25 Galvanized steel sheet having excellent resistance to crack by liquid metal embrittlement
KR10-2013-0163336 2013-12-25

Publications (2)

Publication Number Publication Date
WO2015099455A1 WO2015099455A1 (en) 2015-07-02
WO2015099455A8 true WO2015099455A8 (en) 2015-08-20

Family

ID=53479219

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/012824 WO2015099455A1 (en) 2013-12-25 2014-12-24 Molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide

Country Status (6)

Country Link
US (1) US20160319415A1 (en)
EP (1) EP3088557B1 (en)
JP (1) JP6317453B2 (en)
KR (1) KR101568543B1 (en)
CN (1) CN105849304A (en)
WO (1) WO2015099455A1 (en)

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WO2018115947A1 (en) * 2016-12-21 2018-06-28 Arcelormittal A method for the manufacture of a coated steel sheet
WO2018115948A1 (en) * 2016-12-21 2018-06-28 Arcelormittal A method for the manufacture of a coated steel sheet
WO2018115946A1 (en) * 2016-12-21 2018-06-28 Arcelormittal A method for the manufacture of a coated steel sheet
WO2019082036A1 (en) * 2017-10-24 2019-05-02 Arcelormittal A method for the manufacture of a coated steel sheet
WO2018203097A1 (en) 2017-05-05 2018-11-08 Arcelormittal A method for the manufacturing of liquid metal embrittlement resistant galvannealed steel sheet
CA3076998C (en) 2017-10-24 2023-08-22 Arcelormittal A method for the manufacture of a coated steel sheet
KR102206933B1 (en) * 2017-10-24 2021-01-25 아르셀러미탈 Method of manufacturing coated steel sheet, two spot welded metal sheets and their use
CN111279007B (en) * 2017-10-24 2023-01-24 安赛乐米塔尔公司 Method for manufacturing zinc-plated diffusion-annealed steel sheet
MA50898A (en) 2017-11-17 2021-04-07 Arcelormittal PROCESS FOR THE MANUFACTURING OF A ZINC COATED STEEL SHEET RESISTANT TO LIQUID METAL FRAGILIZATION
CN108842122B (en) * 2018-08-06 2021-06-15 首钢集团有限公司 Hot-dip plated steel sheet and method for producing same
KR102200155B1 (en) * 2019-12-06 2021-01-07 주식회사 포스코 Method for manufacturing of welded structure, and welded structure manufactured by thereof
EP4074847B1 (en) 2020-02-13 2024-06-12 JFE Steel Corporation High-strength steel sheet and method for producing same
WO2022107580A1 (en) * 2020-11-17 2022-05-27 日本製鉄株式会社 Plated steel sheet for spot welding use, joining member, automotive member, and method for manufacturing joining member
US11441039B2 (en) * 2020-12-18 2022-09-13 GM Global Technology Operations LLC High temperature coatings to mitigate weld cracking in resistance welding
EP4393628A1 (en) * 2021-11-02 2024-07-03 JFE Steel Corporation Resistance spot welded member, and resistance spot welding method for same
CN114369782B (en) * 2021-12-10 2023-06-13 首钢集团有限公司 Hot dip galvanized steel sheet without microcrack and preparation method thereof
WO2023132244A1 (en) * 2022-01-06 2023-07-13 日本製鉄株式会社 Welded joint

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Also Published As

Publication number Publication date
EP3088557A1 (en) 2016-11-02
KR20150075291A (en) 2015-07-03
EP3088557B1 (en) 2018-07-11
WO2015099455A1 (en) 2015-07-02
JP6317453B2 (en) 2018-04-25
CN105849304A (en) 2016-08-10
US20160319415A1 (en) 2016-11-03
JP2017510702A (en) 2017-04-13
KR101568543B1 (en) 2015-11-11
EP3088557A4 (en) 2017-03-22

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