EP0969112A4 - Zweiphasen hochfestes stahlblech mit ausgezeichneten dynamischen umformungseigenschaften und verfahren zur herstellung - Google Patents

Zweiphasen hochfestes stahlblech mit ausgezeichneten dynamischen umformungseigenschaften und verfahren zur herstellung

Info

Publication number
EP0969112A4
EP0969112A4 EP98907247A EP98907247A EP0969112A4 EP 0969112 A4 EP0969112 A4 EP 0969112A4 EP 98907247 A EP98907247 A EP 98907247A EP 98907247 A EP98907247 A EP 98907247A EP 0969112 A4 EP0969112 A4 EP 0969112A4
Authority
EP
European Patent Office
Prior art keywords
preparing
strength
steel sheet
same
phase steel
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP98907247A
Other languages
English (en)
French (fr)
Other versions
EP0969112A1 (de
EP0969112B1 (de
EP0969112B2 (de
Inventor
Akihiro Uenishi
Manabu Takahashi
Yukihisa Kuriyama
Yasuharu Sakuma
Osamu Kawano
Junichi Wakita
Hidesato Mabuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27524972&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0969112(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP19029797A external-priority patent/JP3530347B2/ja
Priority claimed from JP22300897A external-priority patent/JP3936440B2/ja
Priority claimed from JP25893897A external-priority patent/JP3839928B2/ja
Priority to EP10181225.3A priority Critical patent/EP2314729B2/de
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP0969112A1 publication Critical patent/EP0969112A1/de
Publication of EP0969112A4 publication Critical patent/EP0969112A4/de
Publication of EP0969112B1 publication Critical patent/EP0969112B1/de
Publication of EP0969112B2 publication Critical patent/EP0969112B2/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/04—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
    • 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
    • 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
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP98907247.5A 1997-03-17 1998-03-16 Verfahren zur herstellung von zweiphasen hochfesten stahlblechen mit erhöhten eigenschaften zur absorption von aufprallenergie Expired - Lifetime EP0969112B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10181225.3A EP2314729B2 (de) 1997-03-17 1998-03-16 Hochfeste Zweiphasen-Stahlbleche mit hohen Stoßenergieaufnahmeeigenschaften

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
JP8243497 1997-03-17
JP8243497 1997-03-17
JP19029797 1997-07-15
JP19029997 1997-07-15
JP19029997 1997-07-15
JP19029797A JP3530347B2 (ja) 1997-07-15 1997-07-15 動的変形特性に優れた高強度鋼板の選定方法
JP22300897 1997-08-06
JP22300897A JP3936440B2 (ja) 1997-08-06 1997-08-06 耐衝突安全性と成形性に優れた自動車用高強度鋼板とその製造方法
JP25893897A JP3839928B2 (ja) 1997-07-15 1997-09-24 動的変形特性に優れたデュアルフェーズ型高強度鋼板
JP25893897 1997-09-24
PCT/JP1998/001101 WO1998041664A1 (en) 1997-03-17 1998-03-16 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP10181225.3A Division EP2314729B2 (de) 1997-03-17 1998-03-16 Hochfeste Zweiphasen-Stahlbleche mit hohen Stoßenergieaufnahmeeigenschaften
EP10181225.3A Division-Into EP2314729B2 (de) 1997-03-17 1998-03-16 Hochfeste Zweiphasen-Stahlbleche mit hohen Stoßenergieaufnahmeeigenschaften
EP10181225.3 Division-Into 2010-09-28

Publications (4)

Publication Number Publication Date
EP0969112A1 EP0969112A1 (de) 2000-01-05
EP0969112A4 true EP0969112A4 (de) 2003-05-21
EP0969112B1 EP0969112B1 (de) 2011-08-17
EP0969112B2 EP0969112B2 (de) 2017-03-08

Family

ID=27524972

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10181225.3A Expired - Lifetime EP2314729B2 (de) 1997-03-17 1998-03-16 Hochfeste Zweiphasen-Stahlbleche mit hohen Stoßenergieaufnahmeeigenschaften
EP98907247.5A Expired - Lifetime EP0969112B2 (de) 1997-03-17 1998-03-16 Verfahren zur herstellung von zweiphasen hochfesten stahlblechen mit erhöhten eigenschaften zur absorption von aufprallenergie

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10181225.3A Expired - Lifetime EP2314729B2 (de) 1997-03-17 1998-03-16 Hochfeste Zweiphasen-Stahlbleche mit hohen Stoßenergieaufnahmeeigenschaften

Country Status (7)

Country Link
EP (2) EP2314729B2 (de)
KR (1) KR100334949B1 (de)
CN (1) CN1080321C (de)
AU (1) AU717294B2 (de)
CA (1) CA2283924C (de)
TW (1) TW426742B (de)
WO (1) WO1998041664A1 (de)

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CN1113973C (zh) 1999-01-28 2003-07-09 住友金属工业株式会社 机械结构用钢材
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DE60116765T2 (de) * 2000-01-24 2006-11-02 Jfe Steel Corp. Feuerverzinktes stahlblech und herstellungsverfahren dafür
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JP5856002B2 (ja) * 2011-05-12 2016-02-09 Ｊｆｅスチール株式会社 衝突エネルギー吸収能に優れた自動車用衝突エネルギー吸収部材およびその製造方法
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CN105568145B (zh) * 2015-12-24 2017-07-18 北京科技大学 一种具有耐腐蚀性能的汽车用冷轧超高强双相钢板及其制备方法
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JP7235621B2 (ja) * 2019-08-27 2023-03-08 株式会社神戸製鋼所 低強度ホットスタンプ用鋼板、ホットスタンプ部品およびホットスタンプ部品の製造方法
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JP7662962B2 (ja) * 2021-04-02 2025-04-16 日本製鉄株式会社 鋼板及びその製造方法
CN113106345B (zh) * 2021-04-07 2022-06-10 宝武集团鄂城钢铁有限公司 一种高塑性双相钢及其生产方法
CN117265384B (zh) * 2022-06-15 2025-10-17 宝山钢铁股份有限公司 一种增强增韧铁素体马氏体双相热轧钢板及其制造方法

Citations (3)

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EP2314729B2 (de) 2017-03-08
CN1251140A (zh) 2000-04-19
EP0969112A1 (de) 2000-01-05
CA2283924A1 (en) 1998-09-24
EP0969112B1 (de) 2011-08-17
EP0969112B2 (de) 2017-03-08
AU6311898A (en) 1998-10-12
WO1998041664A1 (en) 1998-09-24
EP2314729B1 (de) 2012-02-08
TW426742B (en) 2001-03-21
EP2314729A1 (de) 2011-04-27
KR20000076372A (ko) 2000-12-26
CN1080321C (zh) 2002-03-06
CA2283924C (en) 2006-11-28
AU717294B2 (en) 2000-03-23
KR100334949B1 (ko) 2002-05-04

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