EP1580291A4 - SUPERFIN PARTICLE STEEL WITH NITRIDEE SURFACE - Google Patents

SUPERFIN PARTICLE STEEL WITH NITRIDEE SURFACE

Info

Publication number
EP1580291A4
EP1580291A4 EP03808902A EP03808902A EP1580291A4 EP 1580291 A4 EP1580291 A4 EP 1580291A4 EP 03808902 A EP03808902 A EP 03808902A EP 03808902 A EP03808902 A EP 03808902A EP 1580291 A4 EP1580291 A4 EP 1580291A4
Authority
EP
European Patent Office
Prior art keywords
superfin
nitridee
particle steel
particle
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.)
Withdrawn
Application number
EP03808902A
Other languages
German (de)
French (fr)
Other versions
EP1580291A1 (en
Inventor
Saburo Matsuoka
Yoshiyuki Furuya
Hisashi Hirukawa
Shiro Torizuka
Hideyuki Kuwahara
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.)
National Institute for Materials Science
Original Assignee
National Institute for Materials Science
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 National Institute for Materials Science filed Critical National Institute for Materials Science
Publication of EP1580291A1 publication Critical patent/EP1580291A1/en
Publication of EP1580291A4 publication Critical patent/EP1580291A4/en
Withdrawn legal-status Critical Current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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Steel (AREA)
EP03808902A 2002-10-17 2003-10-17 SUPERFIN PARTICLE STEEL WITH NITRIDEE SURFACE Withdrawn EP1580291A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002303658A JP3931230B2 (en) 2002-10-17 2002-10-17 Ultrafine grained steel with nitrided layer
JP2002303658 2002-10-17
PCT/JP2003/013308 WO2004035850A1 (en) 2002-10-17 2003-10-17 Superfine grain steel having nitrided layer

Publications (2)

Publication Number Publication Date
EP1580291A1 EP1580291A1 (en) 2005-09-28
EP1580291A4 true EP1580291A4 (en) 2006-01-18

Family

ID=32105079

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03808902A Withdrawn EP1580291A4 (en) 2002-10-17 2003-10-17 SUPERFIN PARTICLE STEEL WITH NITRIDEE SURFACE

Country Status (6)

Country Link
US (1) US20050241733A1 (en)
EP (1) EP1580291A4 (en)
JP (1) JP3931230B2 (en)
KR (1) KR20050067184A (en)
CN (1) CN100359033C (en)
WO (1) WO2004035850A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8070888B2 (en) * 2005-02-28 2011-12-06 National Institute For Materials Science High strength formed article comprising hyperfine grain structure steel and manufacturing method of the same
JP4009313B2 (en) * 2006-03-17 2007-11-14 株式会社神戸製鋼所 High strength steel material excellent in weldability and method for producing the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572826A (en) * 1980-06-09 1982-01-08 Nachi Fujikoshi Corp Quenching method for steel
JPH07216497A (en) * 1994-02-03 1995-08-15 Sumitomo Metal Ind Ltd High-fatigue-strength thin steel plate or thin steel plate part and manufacturing method thereof
JPH08176733A (en) * 1994-12-20 1996-07-09 Sumitomo Metal Ind Ltd Steel for soft nitriding
EP0903412A2 (en) * 1997-09-22 1999-03-24 National Research Institute For Metals Ultra-fine texture steel and method for producing it
EP1054170A2 (en) * 1999-05-21 2000-11-22 Hiroshi Onoe High strength screw
JP2001234239A (en) * 2000-02-25 2001-08-28 National Institute For Materials Science Manufacturing method of ultra fine grain ferritic steel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10219393A (en) * 1997-02-04 1998-08-18 Sumitomo Metal Ind Ltd Steel material for nitrocarburizing, nitrocarburizing component and method of manufacturing the same
JP2000080435A (en) * 1998-08-31 2000-03-21 Japan Science & Technology Corp High-strength P-added steel and its manufacturing method
JP4243667B2 (en) * 1999-02-26 2009-03-25 独立行政法人物質・材料研究機構 High strength and toughness low carbon steel bar
JP4164589B2 (en) * 1999-08-31 2008-10-15 独立行政法人物質・材料研究機構 Manufacturing method of ultra-fine structure steel
JP4374196B2 (en) * 2002-02-19 2009-12-02 新日本製鐵株式会社 High-strength steel sheet having fine structure excellent in workability, plating property and toughness, and method for producing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572826A (en) * 1980-06-09 1982-01-08 Nachi Fujikoshi Corp Quenching method for steel
JPH07216497A (en) * 1994-02-03 1995-08-15 Sumitomo Metal Ind Ltd High-fatigue-strength thin steel plate or thin steel plate part and manufacturing method thereof
JPH08176733A (en) * 1994-12-20 1996-07-09 Sumitomo Metal Ind Ltd Steel for soft nitriding
EP0903412A2 (en) * 1997-09-22 1999-03-24 National Research Institute For Metals Ultra-fine texture steel and method for producing it
EP1054170A2 (en) * 1999-05-21 2000-11-22 Hiroshi Onoe High strength screw
JP2001234239A (en) * 2000-02-25 2001-08-28 National Institute For Materials Science Manufacturing method of ultra fine grain ferritic steel

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 063 (C - 099) 22 April 1982 (1982-04-22) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 11 26 December 1995 (1995-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 11 29 November 1996 (1996-11-29) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 25 12 April 2001 (2001-04-12) *

Also Published As

Publication number Publication date
EP1580291A1 (en) 2005-09-28
US20050241733A1 (en) 2005-11-03
CN100359033C (en) 2008-01-02
WO2004035850A1 (en) 2004-04-29
KR20050067184A (en) 2005-06-30
CN1705762A (en) 2005-12-07
JP2004137561A (en) 2004-05-13
JP3931230B2 (en) 2007-06-13

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20050511

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20051202

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/38 20000101ALI20051128BHEP

Ipc: C22C 38/00 19740701AFI20040504BHEP

Ipc: C23C 8/26 19850101ALI20051128BHEP

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT SE

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Effective date: 20060330

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STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20080722