DE60020421D1 - Verfahren zum Herstellen von Stahl mit ultrafeinem Korngefüge - Google Patents

Verfahren zum Herstellen von Stahl mit ultrafeinem Korngefüge

Info

Publication number
DE60020421D1
DE60020421D1 DE60020421T DE60020421T DE60020421D1 DE 60020421 D1 DE60020421 D1 DE 60020421D1 DE 60020421 T DE60020421 T DE 60020421T DE 60020421 T DE60020421 T DE 60020421T DE 60020421 D1 DE60020421 D1 DE 60020421D1
Authority
DE
Germany
Prior art keywords
grain structure
producing steel
ultrafine grain
ultrafine
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.)
Expired - Lifetime
Application number
DE60020421T
Other languages
English (en)
Other versions
DE60020421T2 (de
Inventor
Shiro Torizuka
Osamu Umezawa
Kaneaki Tsuzaki
Kotobu Nagai
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.)
JP NAT RES INST FOR META TSUKU
Original Assignee
JP NAT RES INST FOR META TSUKU
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
Priority claimed from JP24669899A external-priority patent/JP3525180B2/ja
Application filed by JP NAT RES INST FOR META TSUKU filed Critical JP NAT RES INST FOR META TSUKU
Application granted granted Critical
Publication of DE60020421D1 publication Critical patent/DE60020421D1/de
Publication of DE60020421T2 publication Critical patent/DE60020421T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Forging (AREA)
DE60020421T 1999-02-26 2000-02-24 Verfahren zum Herstellen von Stahl mit ultrafeinem Korngefüge Expired - Lifetime DE60020421T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5179999 1999-02-26
JP5179999 1999-02-26
JP24669899 1999-08-31
JP24669899A JP3525180B2 (ja) 1998-08-31 1999-08-31 超微細組織鋼の製造方法

Publications (2)

Publication Number Publication Date
DE60020421D1 true DE60020421D1 (de) 2005-07-07
DE60020421T2 DE60020421T2 (de) 2006-05-04

Family

ID=26392369

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60020421T Expired - Lifetime DE60020421T2 (de) 1999-02-26 2000-02-24 Verfahren zum Herstellen von Stahl mit ultrafeinem Korngefüge

Country Status (6)

Country Link
US (1) US6464807B1 (de)
EP (1) EP1031632B9 (de)
KR (1) KR100522418B1 (de)
CN (1) CN1131323C (de)
DE (1) DE60020421T2 (de)
TW (1) TW477822B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7063752B2 (en) 2001-12-14 2006-06-20 Exxonmobil Research And Engineering Co. Grain refinement of alloys using magnetic field processing
US8409367B2 (en) 2008-10-29 2013-04-02 The Hong Kong Polytechnic University Method of making a nanostructured austenitic steel sheet
US8752752B2 (en) 2009-03-09 2014-06-17 Hong Kong Polytechnic University Method of making a composite steel plate
SI3063305T1 (sl) * 2013-10-28 2021-07-30 The Nanosteel Company, Inc. Proizvodnja kovinskega jekla z ulivanjem plošč
US20160122840A1 (en) * 2014-11-05 2016-05-05 General Electric Company Methods for processing nanostructured ferritic alloys, and articles produced thereby

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58123823A (ja) * 1981-12-11 1983-07-23 Nippon Steel Corp 極細粒高強度熱延鋼板の製造方法
US4466842A (en) * 1982-04-03 1984-08-21 Nippon Steel Corporation Ferritic steel having ultra-fine grains and a method for producing the same
JPS59229413A (ja) * 1983-06-10 1984-12-22 Nippon Steel Corp 超細粒フェライト鋼の製造方法
US5200005A (en) * 1991-02-08 1993-04-06 Mcgill University Interstitial free steels and method thereof
KR940011648A (ko) * 1992-11-17 1994-06-21 존 디. 왈턴 전기강의 자기영역 구조 정련을 위한 부채꼴 앤빌 로울러
JPH08512094A (ja) * 1993-06-29 1996-12-17 ザ ブロークン ヒル プロプライエタリー カンパニー リミテッド 鋼における超微細な顕微鏡組織への歪み誘起変態
JPH10216884A (ja) * 1997-01-31 1998-08-18 Nippon Steel Corp 金属材料の繰り返し横鍛造加工法および成形加工法
CN1121502C (zh) * 1997-09-22 2003-09-17 科学技术厅金属材料技术研究所 超细组织钢及其制造方法

Also Published As

Publication number Publication date
EP1031632A3 (de) 2002-07-31
EP1031632A2 (de) 2000-08-30
CN1131323C (zh) 2003-12-17
DE60020421T2 (de) 2006-05-04
US6464807B1 (en) 2002-10-15
EP1031632B9 (de) 2005-09-07
EP1031632B1 (de) 2005-06-01
KR20000058178A (ko) 2000-09-25
KR100522418B1 (ko) 2005-10-19
CN1297062A (zh) 2001-05-30
TW477822B (en) 2002-03-01

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