AU2003263002A1 - Austempered cast iron article and a method of making the same - Google Patents

Austempered cast iron article and a method of making the same

Info

Publication number
AU2003263002A1
AU2003263002A1 AU2003263002A AU2003263002A AU2003263002A1 AU 2003263002 A1 AU2003263002 A1 AU 2003263002A1 AU 2003263002 A AU2003263002 A AU 2003263002A AU 2003263002 A AU2003263002 A AU 2003263002A AU 2003263002 A1 AU2003263002 A1 AU 2003263002A1
Authority
AU
Australia
Prior art keywords
making
same
cast iron
iron article
austempered cast
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
AU2003263002A
Other versions
AU2003263002A8 (en
Inventor
Alan Peter Druschitz
David Carroll Fitzgerald
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.)
Intermet Corp
Original Assignee
Intermet 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 Intermet Corp filed Critical Intermet Corp
Priority claimed from PCT/US2003/027198 external-priority patent/WO2004022792A2/en
Publication of AU2003263002A1 publication Critical patent/AU2003263002A1/en
Publication of AU2003263002A8 publication Critical patent/AU2003263002A8/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
    • C21D5/00—Heat treatments of cast-iron
    • 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
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
AU2003263002A 2002-09-04 2003-08-29 Austempered cast iron article and a method of making the same Abandoned AU2003263002A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US40817402P 2002-09-04 2002-09-04
US60/408,174 2002-09-04
PCT/US2003/027198 WO2004022792A2 (en) 2002-09-04 2003-08-29 Austempered cast iron article and a method of making the same
US10/655,237 US7070666B2 (en) 2002-09-04 2003-09-04 Machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same

Publications (2)

Publication Number Publication Date
AU2003263002A1 true AU2003263002A1 (en) 2004-03-29
AU2003263002A8 AU2003263002A8 (en) 2004-03-29

Family

ID=32511233

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003263002A Abandoned AU2003263002A1 (en) 2002-09-04 2003-08-29 Austempered cast iron article and a method of making the same

Country Status (1)

Country Link
AU (1) AU2003263002A1 (en)

Also Published As

Publication number Publication date
AU2003263002A8 (en) 2004-03-29

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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