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EP2966186A4 - Élément de renfort et son procédé de fabrication - Google Patents

Élément de renfort et son procédé de fabrication

Info

Publication number
EP2966186A4
EP2966186A4 EP14760929.1A EP14760929A EP2966186A4 EP 2966186 A4 EP2966186 A4 EP 2966186A4 EP 14760929 A EP14760929 A EP 14760929A EP 2966186 A4 EP2966186 A4 EP 2966186A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
same
reinforcing element
reinforcing
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
EP14760929.1A
Other languages
German (de)
English (en)
Other versions
EP2966186B1 (fr
EP2966186A1 (fr
Inventor
Shimpei Kurokawa
Takeshi Suzuki
Kosuke Shibairi
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.)
NHK Spring Co Ltd
Original Assignee
NHK Spring Co Ltd
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 NHK Spring Co Ltd filed Critical NHK Spring Co Ltd
Publication of EP2966186A1 publication Critical patent/EP2966186A1/fr
Publication of EP2966186A4 publication Critical patent/EP2966186A4/fr
Application granted granted Critical
Publication of EP2966186B1 publication Critical patent/EP2966186B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • 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
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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
    • C21D2211/004—Dispersions; Precipitations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
EP14760929.1A 2013-03-08 2014-03-07 Élément de renfort et son procédé de fabrication Active EP2966186B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013047106 2013-03-08
PCT/JP2014/056057 WO2014136966A1 (fr) 2013-03-08 2014-03-07 Élément de renfort et son procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2966186A1 EP2966186A1 (fr) 2016-01-13
EP2966186A4 true EP2966186A4 (fr) 2016-11-23
EP2966186B1 EP2966186B1 (fr) 2019-10-16

Family

ID=51491473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14760929.1A Active EP2966186B1 (fr) 2013-03-08 2014-03-07 Élément de renfort et son procédé de fabrication

Country Status (5)

Country Link
EP (1) EP2966186B1 (fr)
JP (1) JP6284279B2 (fr)
CN (1) CN105008572A (fr)
ES (1) ES2765274T3 (fr)
WO (1) WO2014136966A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015217399A1 (de) * 2015-09-11 2017-03-16 Thyssenkrupp Ag Rohrfeder für Kraftfahrzeuge und ein Verfahren zum Herstellen einer Rohrfeder
DE102015217401B4 (de) * 2015-09-11 2018-04-05 Thyssenkrupp Ag Rohrfeder für Kraftfahrzeuge und ein Verfahren zum Herstellen einer Rohrfeder
US20210115527A1 (en) * 2016-11-29 2021-04-22 Tata Steel Ijmuiden B.V. Method for manufacturing a hot-formed article, and obtained article
CN108179355A (zh) * 2018-01-31 2018-06-19 中钢集团郑州金属制品研究院有限公司 一种高强度高韧性弹簧钢丝及其制备工艺
JP7034794B2 (ja) * 2018-03-27 2022-03-14 株式会社神戸製鋼所 シートベルトトーションバー用鋼材、シートベルトトーションバー用鋼材の製造方法及びシートベルトトーションバー部品
JP7549459B2 (ja) * 2020-04-10 2024-09-11 日本発條株式会社 圧縮コイルばね
CN116194601B (zh) * 2020-09-29 2024-12-20 日本制铁株式会社 铁道用车轴
KR20230024115A (ko) * 2021-08-11 2023-02-20 주식회사 포스코 스프링용 강 및 강선, 그들의 제조방법
CN113930673A (zh) * 2021-09-10 2022-01-14 河钢股份有限公司承德分公司 一种气刀挡板用钢及其制备方法
WO2023120475A1 (fr) * 2021-12-21 2023-06-29 日本発條株式会社 Ressort hélicoïdal de compression et son procédé de fabrication
WO2023120491A1 (fr) * 2021-12-21 2023-06-29 日本発條株式会社 Ressort hélicoïdal de compression et son procédé de fabrication
CN117888034B (zh) * 2024-03-15 2024-06-07 江苏永钢集团有限公司 2000MPa级含钒55SiCr弹簧钢热轧盘条及其生产工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174981A (en) * 1978-02-06 1979-11-20 Laclede Steel Company Method of manufacturing springs, including the production of rod therefor
EP2412840A1 (fr) * 2009-03-25 2012-02-01 Nhk Spring Co., Ltd. Acier de grande résistance et de grande ductilité pour un ressort, procédé de fabrication de celui-ci et ressort

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0236648B2 (ja) * 1983-06-23 1990-08-20 Nisshin Steel Co Ltd Kokyodokoenseikonoseiho
JP3318435B2 (ja) * 1994-04-25 2002-08-26 新日本製鐵株式会社 遅れ破壊しにくい鋼線
JP5683230B2 (ja) * 2010-11-22 2015-03-11 日本発條株式会社 ばねおよびその製造方法
JP2012214859A (ja) * 2011-04-01 2012-11-08 Nhk Spring Co Ltd ばねおよびその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174981A (en) * 1978-02-06 1979-11-20 Laclede Steel Company Method of manufacturing springs, including the production of rod therefor
EP2412840A1 (fr) * 2009-03-25 2012-02-01 Nhk Spring Co., Ltd. Acier de grande résistance et de grande ductilité pour un ressort, procédé de fabrication de celui-ci et ressort

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PESICKA J ET AL: "THE EVOLUTION OF DISLOCATION DENSITY DURING HEAT TREATMENT AND CREEP OF TEMPERED MARTENSITE FERRIITIC STEELS", ACTA MATERIALIA, ELSEVIER, OXFORD, GB, vol. 51, 1 January 2003 (2003-01-01), pages 4847 - 4862, XP003035794, ISSN: 1359-6454, DOI: 10.1016/S1359-645403)00324-0 *
See also references of WO2014136966A1 *

Also Published As

Publication number Publication date
JPWO2014136966A1 (ja) 2017-02-16
WO2014136966A1 (fr) 2014-09-12
EP2966186B1 (fr) 2019-10-16
CN105008572A (zh) 2015-10-28
ES2765274T3 (es) 2020-06-08
EP2966186A1 (fr) 2016-01-13
JP6284279B2 (ja) 2018-02-28

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