AU2003266631A1 - Method of improving fatigue strength of work end portion of steel - Google Patents

Method of improving fatigue strength of work end portion of steel

Info

Publication number
AU2003266631A1
AU2003266631A1 AU2003266631A AU2003266631A AU2003266631A1 AU 2003266631 A1 AU2003266631 A1 AU 2003266631A1 AU 2003266631 A AU2003266631 A AU 2003266631A AU 2003266631 A AU2003266631 A AU 2003266631A AU 2003266631 A1 AU2003266631 A1 AU 2003266631A1
Authority
AU
Australia
Prior art keywords
steel
end portion
fatigue strength
work end
improving fatigue
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.)
Abandoned
Application number
AU2003266631A
Inventor
Atsushi Seto
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of AU2003266631A1 publication Critical patent/AU2003266631A1/en
Abandoned 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
    • 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
    • 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
    • C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/01—End parts (e.g. leading, trailing end)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
AU2003266631A 2002-09-25 2003-09-25 Method of improving fatigue strength of work end portion of steel Abandoned AU2003266631A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002279565A JP4351427B2 (en) 2002-09-25 2002-09-25 Method for improving fatigue strength of steel working edge
JP2002-279565 2002-09-25
PCT/JP2003/012279 WO2004029303A1 (en) 2002-09-25 2003-09-25 Method of improving fatigue strength of work end portion of steel

Publications (1)

Publication Number Publication Date
AU2003266631A1 true AU2003266631A1 (en) 2004-04-19

Family

ID=32040463

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003266631A Abandoned AU2003266631A1 (en) 2002-09-25 2003-09-25 Method of improving fatigue strength of work end portion of steel

Country Status (3)

Country Link
JP (1) JP4351427B2 (en)
AU (1) AU2003266631A1 (en)
WO (1) WO2004029303A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5098205B2 (en) * 2006-04-07 2012-12-12 新日鐵住金株式会社 Method for improving fatigue strength and magnetic properties of punched part of electrical steel sheet
CN103627865B (en) * 2013-01-21 2015-11-25 中电投工程研究检测评定中心 The restorative procedure of steel plate fatigue crack
JP6070625B2 (en) * 2014-05-09 2017-02-01 Ｊｆｅスチール株式会社 Shearing method and apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193215A (en) * 1983-04-18 1984-11-01 Masao Mizuno Surface toughening method of metal
US6171415B1 (en) * 1998-09-03 2001-01-09 Uit, Llc Ultrasonic impact methods for treatment of welded structures
JP2000171368A (en) * 1998-12-02 2000-06-23 Ishikawajima Harima Heavy Ind Co Ltd Tool for applying tensile stress to inner surface of different material union joint and usage therefor

Also Published As

Publication number Publication date
JP4351427B2 (en) 2009-10-28
JP2004115856A (en) 2004-04-15
WO2004029303A1 (en) 2004-04-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase