FR2712606B1 - Process for the production of a spheroidal graphite cast iron charge with high mechanical characteristics. - Google Patents

Process for the production of a spheroidal graphite cast iron charge with high mechanical characteristics.

Info

Publication number
FR2712606B1
FR2712606B1 FR9313838A FR9313838A FR2712606B1 FR 2712606 B1 FR2712606 B1 FR 2712606B1 FR 9313838 A FR9313838 A FR 9313838A FR 9313838 A FR9313838 A FR 9313838A FR 2712606 B1 FR2712606 B1 FR 2712606B1
Authority
FR
France
Prior art keywords
production
cast iron
high mechanical
mechanical characteristics
graphite 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.)
Expired - Fee Related
Application number
FR9313838A
Other languages
French (fr)
Other versions
FR2712606A1 (en
Inventor
Jacques Fargues
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.)
TECH IND FONDERIE CENTRE
Original Assignee
TECH IND FONDERIE CENTRE
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 TECH IND FONDERIE CENTRE filed Critical TECH IND FONDERIE CENTRE
Priority to FR9313838A priority Critical patent/FR2712606B1/en
Publication of FR2712606A1 publication Critical patent/FR2712606A1/en
Application granted granted Critical
Publication of FR2712606B1 publication Critical patent/FR2712606B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • 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
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/006—Graphite
FR9313838A 1993-11-19 1993-11-19 Process for the production of a spheroidal graphite cast iron charge with high mechanical characteristics. Expired - Fee Related FR2712606B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9313838A FR2712606B1 (en) 1993-11-19 1993-11-19 Process for the production of a spheroidal graphite cast iron charge with high mechanical characteristics.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9313838A FR2712606B1 (en) 1993-11-19 1993-11-19 Process for the production of a spheroidal graphite cast iron charge with high mechanical characteristics.

Publications (2)

Publication Number Publication Date
FR2712606A1 FR2712606A1 (en) 1995-05-24
FR2712606B1 true FR2712606B1 (en) 1996-02-09

Family

ID=9453031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9313838A Expired - Fee Related FR2712606B1 (en) 1993-11-19 1993-11-19 Process for the production of a spheroidal graphite cast iron charge with high mechanical characteristics.

Country Status (1)

Country Link
FR (1) FR2712606B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10037359A1 (en) * 2000-07-31 2002-02-21 Babcock Gieserei Gmbh Heavily loaded spheroidal casting part cast from a base melt consists of crude iron, steel briquettes and recycled material, nickel, a cerium/silicon mixture, a bismuth/silicon mixture, manganese, phosphorus, and sulfur
FR2839727B1 (en) * 2002-05-14 2004-06-25 Technologica Sarl PROCESS FOR THE PREPARATION AND SHAPING OF CAST IRON PARTS WITH SPHEROIDAL GRAPHITE WITH HIGH MECHANICAL CHARACTERISTICS
FR2866351B1 (en) * 2004-02-12 2006-04-28 Technologica Sarl PROCESS FOR MANUFACTURING SPHEROIDAL GRAPHITE CAST IRON WITH HIGH GEOMETRIC AND DIMENSIONAL PRECISION AND IMPROVED MECHANICAL CHARACTERISTICS
KR102076368B1 (en) 2013-01-23 2020-02-12 두산인프라코어 주식회사 Flake graphite iron and preparation method thereof, and engine body for internal combustion engine comprising the same
CN104451348B (en) * 2014-12-11 2017-02-22 湖南科技大学 Preparation method of high-hardness and high-strength expanding pyramid of mechanical expanding mill

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032368A (en) * 1972-10-05 1977-06-28 United States Steel Corporation Intercritical-cycle annealing
GB1462369A (en) * 1973-11-16 1977-01-26 Borax Cons Ltd Furnace for heat treating articles
DE2853870A1 (en) * 1978-12-13 1980-07-03 Schmidt Gmbh Karl BALL GRAPHITE CAST IRON WITH AUSTENITIC-BAINITIC MIXED TEXTURE
JPS60121253A (en) * 1983-12-05 1985-06-28 Nissan Motor Co Ltd Spheroidal graphite cast iron
SE8502514L (en) * 1985-05-22 1986-11-23 Volvo Ab PROCEDURE FOR MANUFACTURING A BAINITHERED SAIL
JPS63166928A (en) * 1986-12-26 1988-07-11 Kurimoto Iron Works Ltd Manufacture of tough bainitic spheroidal graphite cast iron

Also Published As

Publication number Publication date
FR2712606A1 (en) 1995-05-24

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Legal Events

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ST Notification of lapse